From bae7f79e03d6405f5ceec0e3e24671e6b30f29ed Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Fri, 4 Aug 2006 23:10:59 +0000 Subject: [PATCH] Initial CVS checkin of gold --- elfcpp/README | 9 + elfcpp/elfcpp.h | 599 +++++ elfcpp/elfcpp_config.h | 0 elfcpp/elfcpp_internal.h | 238 ++ gold/Makefile.am | 69 + gold/Makefile.in | 745 ++++++ gold/README | 18 + gold/aclocal.m4 | 877 ++++++ gold/config.in | 26 + gold/configure | 5472 ++++++++++++++++++++++++++++++++++++++ gold/configure.ac | 33 + gold/dirsearch.cc | 236 ++ gold/dirsearch.h | 56 + gold/fileread.cc | 281 ++ gold/fileread.h | 226 ++ gold/gold-threads.cc | 230 ++ gold/gold-threads.h | 101 + gold/gold.cc | 129 + gold/gold.h | 65 + gold/object.cc | 381 +++ gold/object.h | 160 ++ gold/options.cc | 414 +++ gold/options.h | 174 ++ gold/po/Make-in | 256 ++ gold/po/POTFILES.in | 19 + gold/po/gold.pot | 216 ++ gold/readsyms.cc | 123 + gold/readsyms.h | 95 + gold/symtab.h | 80 + gold/target.h | 29 + gold/targetsize.h | 56 + gold/workqueue.cc | 391 +++ gold/workqueue.h | 336 +++ 33 files changed, 12140 insertions(+) create mode 100644 elfcpp/README create mode 100644 elfcpp/elfcpp.h create mode 100644 elfcpp/elfcpp_config.h create mode 100644 elfcpp/elfcpp_internal.h create mode 100644 gold/Makefile.am create mode 100644 gold/Makefile.in create mode 100644 gold/README create mode 100644 gold/aclocal.m4 create mode 100644 gold/config.in create mode 100755 gold/configure create mode 100644 gold/configure.ac create mode 100644 gold/dirsearch.cc create mode 100644 gold/dirsearch.h create mode 100644 gold/fileread.cc create mode 100644 gold/fileread.h create mode 100644 gold/gold-threads.cc create mode 100644 gold/gold-threads.h create mode 100644 gold/gold.cc create mode 100644 gold/gold.h create mode 100644 gold/object.cc create mode 100644 gold/object.h create mode 100644 gold/options.cc create mode 100644 gold/options.h create mode 100644 gold/po/Make-in create mode 100644 gold/po/POTFILES.in create mode 100644 gold/po/gold.pot create mode 100644 gold/readsyms.cc create mode 100644 gold/readsyms.h create mode 100644 gold/symtab.h create mode 100644 gold/target.h create mode 100644 gold/targetsize.h create mode 100644 gold/workqueue.cc create mode 100644 gold/workqueue.h diff --git a/elfcpp/README b/elfcpp/README new file mode 100644 index 00000000000..9eb07e8c479 --- /dev/null +++ b/elfcpp/README @@ -0,0 +1,9 @@ +elfcpp is a C++ library for reading and writing ELF information. This +was written to support gold, the ELF linker, and may not be generally +useful. + +elfcpp does not do file I/O. It deals only with offsets and memory +data. + +For efficiency, most accessors are templates with two arguments: the +ELF file class (32 or 64 bits) and the endianness. diff --git a/elfcpp/elfcpp.h b/elfcpp/elfcpp.h new file mode 100644 index 00000000000..14027fad05a --- /dev/null +++ b/elfcpp/elfcpp.h @@ -0,0 +1,599 @@ +// elfcpp.h -- main header file for elfcpp -*- C++ -*- + +// This is the external interface for elfcpp. + +#ifndef ELFCPP_H +#define ELFCPP_H + +#include "elfcpp_config.h" + +#include + +namespace elfcpp +{ + +// Basic ELF types. + +// These types are always the same size. + +typedef uint16_t Elf_Half; +typedef uint32_t Elf_Word; +typedef int32_t Elf_Sword; +typedef uint64_t Elf_Xword; +typedef int64_t Elf_Sxword; + +// These types vary in size depending on the ELF file class. The +// template parameter should be 32 or 64. + +template +struct Elf_types +{ + // Dummy types which should not be used. + typedef unsigned char Elf_Addr; + typedef unsigned char Elf_Off; + // WXword is for fields which are Elf32_Word and Elf64_Xword. + typedef unsigned char Elf_WXword; +}; + +template<> +struct Elf_types<32> +{ + typedef uint32_t Elf_Addr; + typedef uint32_t Elf_Off; + typedef uint32_t Elf_WXword; +}; + +template<> +struct Elf_types<64> +{ + typedef uint64_t Elf_Addr; + typedef uint64_t Elf_Off; + typedef uint64_t Elf_WXword; + static const int ehdr_size; + static const int shdr_size; + static const int sym_size; +}; + +// Offsets within the Ehdr e_ident field. + +const int EI_MAG0 = 0; +const int EI_MAG1 = 1; +const int EI_MAG2 = 2; +const int EI_MAG3 = 3; +const int EI_CLASS = 4; +const int EI_DATA = 5; +const int EI_VERSION = 6; +const int EI_OSABI = 7; +const int EI_ABIVERSION = 8; +const int EI_PAD = 9; +const int EI_NIDENT = 16; + +// The valid values found in Ehdr e_ident[EI_MAG0 through EI_MAG3]. + +const int ELFMAG0 = 0x7f; +const int ELFMAG1 = 'E'; +const int ELFMAG2 = 'L'; +const int ELFMAG3 = 'F'; + +// The valid values found in Ehdr e_ident[EI_CLASS]. + +enum +{ + ELFCLASSNONE = 0, + ELFCLASS32 = 1, + ELFCLASS64 = 2 +}; + +// The valid values found in Ehdr e_ident[EI_DATA]. + +enum +{ + ELFDATANONE = 0, + ELFDATA2LSB = 1, + ELFDATA2MSB = 2 +}; + +// The valid values found in Ehdr e_ident[EI_VERSION] and e_version. + +enum +{ + EV_NONE = 0, + EV_CURRENT = 1 +}; + +// The valid values found in Ehdr e_ident[EI_OSABI]. + +enum ELFOSABI +{ + ELFOSABI_NONE = 0, + ELFOSABI_HPUX = 1, + ELFOSABI_NETBSD = 2, + // ELFOSABI_LINUX is not listed in the ELF standard. + ELFOSABI_LINUX = 3, + // ELFOSABI_HURD is not listed in the ELF standard. + ELFOSABI_HURD = 4, + ELFOSABI_SOLARIS = 6, + ELFOSABI_AIX = 7, + ELFOSABI_IRIX = 8, + ELFOSABI_FREEBSD = 9, + ELFOSABI_TRU64 = 10, + ELFOSABI_MODESTO = 11, + ELFOSABI_OPENBSD = 12, + ELFOSABI_OPENVMS = 13, + ELFOSABI_NSK = 14, + ELFOSABI_AROS = 15, + // A GNU extension for the ARM. + ELFOSABI_ARM = 97, + // A GNU extension for the MSP. + ELFOSABI_STANDALONE = 255 +}; + +// The valid values found in the Ehdr e_type field. + +enum ET +{ + ET_NONE = 0, + ET_REL = 1, + ET_EXEC = 2, + ET_DYN = 3, + ET_CORE = 4, + ET_LOOS = 0xfe00, + ET_HIOS = 0xfeff, + ET_LOPROC = 0xff00, + ET_HIPROC = 0xffff +}; + +// The valid values found in the Ehdr e_machine field. + +enum EM +{ + EM_NONE = 0, + EM_M32 = 1, + EM_SPARC = 2, + EM_386 = 3, + EM_68K = 4, + EM_88K = 5, + // 6 used to be EM_486 + EM_860 = 7, + EM_MIPS = 8, + EM_S370 = 9, + EM_MIPS_RS3_LE = 10, + // 11 was the old Sparc V9 ABI. + // 12 through 14 are reserved. + EM_PARISC = 15, + // 16 is reserved. + // Some old PowerPC object files use 17. + EM_VPP500 = 17, + EM_SPARC32PLUS = 18, + EM_960 = 19, + EM_PPC = 20, + EM_PPC64 = 21, + EM_S390 = 22, + // 23 through 35 are served. + EM_V800 = 36, + EM_FR20 = 37, + EM_RH32 = 38, + EM_RCE = 39, + EM_ARM = 40, + EM_ALPHA = 41, + EM_SH = 42, + EM_SPARCV9 = 43, + EM_TRICORE = 44, + EM_ARC = 45, + EM_H8_300 = 46, + EM_H8_300H = 47, + EM_H8S = 48, + EM_H8_500 = 49, + EM_IA_64 = 50, + EM_MIPS_X = 51, + EM_COLDFIRE = 52, + EM_68HC12 = 53, + EM_MMA = 54, + EM_PCP = 55, + EM_NCPU = 56, + EM_NDR1 = 57, + EM_STARCORE = 58, + EM_ME16 = 59, + EM_ST100 = 60, + EM_TINYJ = 61, + EM_X86_64 = 62, + EM_PDSP = 63, + EM_PDP10 = 64, + EM_PDP11 = 65, + EM_FX66 = 66, + EM_ST9PLUS = 67, + EM_ST7 = 68, + EM_68HC16 = 69, + EM_68HC11 = 70, + EM_68HC08 = 71, + EM_68HC05 = 72, + EM_SVX = 73, + EM_ST19 = 74, + EM_VAX = 75, + EM_CRIS = 76, + EM_JAVELIN = 77, + EM_FIREPATH = 78, + EM_ZSP = 79, + EM_MMIX = 80, + EM_HUANY = 81, + EM_PRISM = 82, + EM_AVR = 83, + EM_FR30 = 84, + EM_D10V = 85, + EM_D30V = 86, + EM_V850 = 87, + EM_M32R = 88, + EM_MN10300 = 89, + EM_MN10200 = 90, + EM_PJ = 91, + EM_OPENRISC = 92, + EM_ARC_A5 = 93, + EM_XTENSA = 94, + EM_VIDEOCORE = 95, + EM_TMM_GPP = 96, + EM_NS32K = 97, + EM_TPC = 98, + // Some old picoJava object files use 99 (EM_PJ is correct). + EM_SNP1K = 99, + EM_ST200 = 100, + EM_IP2K = 101, + EM_MAX = 102, + EM_CR = 103, + EM_F2MC16 = 104, + EM_MSP430 = 105, + EM_BLACKFIN = 106, + EM_SE_C33 = 107, + EM_SEP = 108, + EM_ARCA = 109, + EM_UNICORE = 110, + EM_ALTERA_NIOS2 = 113, + EM_CRX = 114, + // The Morph MT. + EM_MT = 0x2530, + // DLX. + EM_DLX = 0x5aa5, + // FRV. + EM_FRV = 0x5441, + // Infineon Technologies 16-bit microcontroller with C166-V2 core. + EM_X16X = 0x4688, + // Xstorym16 + EM_XSTORMY16 = 0xad45, + // Renesas M32C + EM_M32C = 0xfeb0, + // Vitesse IQ2000 + EM_IQ2000 = 0xfeba, + // NIOS + EM_NIOS32 = 0xfebb + // Old AVR objects used 0x1057 (EM_AVR is correct). + // Old MSP430 objects used 0x1059 (EM_MSP430 is correct). + // Old FR30 objects used 0x3330 (EM_FR30 is correct). + // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OPENRISC is correct). + // Old D10V objects used 0x7650 (EM_D10V is correct). + // Old D30V objects used 0x7676 (EM_D30V is correct). + // Old IP2X objects used 0x8217 (EM_IP2K is correct). + // Old PowerPC objects used 0x9025 (EM_PPC is correct). + // Old Alpha objects used 0x9026 (EM_ALPHA is correct). + // Old M32R objects used 0x9041 (EM_M32R is correct). + // Old V850 objects used 0x9080 (EM_V850 is correct). + // Old S/390 objects used 0xa390 (EM_S390 is correct). + // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct). + // Old MN10300 objects used 0xbeef (EM_MN10300 is correct). + // Old MN10200 objects used 0xdead (EM_MN10200 is correct). +}; + +// Special section indices. + +enum +{ + SHN_UNDEF = 0, + SHN_LORESERVE = 0xff00, + SHN_LOPROC = 0xff00, + SHN_HIPROC = 0xff1f, + SHN_LOOS = 0xff20, + SHN_HIOS = 0xff3f, + SHN_ABS = 0xfff1, + SHN_COMMON = 0xfff2, + SHN_XINDEX = 0xffff, + SHN_HIRESERVE = 0xffff +}; + +// The valid values found in the Shdr sh_type field. + +enum +{ + SHT_NULL = 0, + SHT_PROGBITS = 1, + SHT_SYMTAB = 2, + SHT_STRTAB = 3, + SHT_RELA = 4, + SHT_HASH = 5, + SHT_DYNAMIC = 6, + SHT_NOTE = 7, + SHT_NOBITS = 8, + SHT_REL = 9, + SHT_SHLIB = 10, + SHT_DYNSYM = 11, + SHT_INIT_ARRAY = 14, + SHT_FINI_ARRAY = 15, + SHT_PREINIT_ARRAY = 16, + SHT_GROUP = 17, + SHT_SYMTAB_SHNDX = 18, + SHT_LOOS = 0x60000000, + SHT_HIOS = 0x6fffffff, + SHT_LOPROC = 0x70000000, + SHT_HIPROC = 0x7fffffff, + SHT_LOUSER = 0x80000000, + SHT_HIUSER = 0xffffffff, + // The remaining values are not in the standard. + // List of prelink dependencies. + SHT_GNU_LIBLIST = 0x6ffffff7, + // Versions defined by file. + SHT_SUNW_verdef = 0x6ffffffd, + SHT_GNU_verdef = 0x6ffffffd, + // Versions needed by file. + SHT_SUNW_verneed = 0x6ffffffe, + SHT_GNU_verneed = 0x6ffffffe, + // Symbol versions, + SHT_SUNW_versym = 0x6fffffff, + SHT_GNU_versym = 0x6fffffff, +}; + +// The valid bit flags found in the Shdr sh_flags field. + +enum +{ + SHF_WRITE = 0x1, + SHF_ALLOC = 0x2, + SHF_EXECINSTR = 0x4, + SHF_MERGE = 0x10, + SHF_STRINGS = 0x20, + SHF_INFO_LINK = 0x40, + SHF_LINK_ORDER = 0x80, + SHF_OS_NONCONFORMING = 0x100, + SHF_GROUP = 0x200, + SHF_TLS = 0x400, + SHF_MASKOS = 0x0ff00000, + SHF_MASKPROC = 0xf0000000 +}; + +// Bit flags which appear in the first 32-bit word of the section data +// of a SHT_GROUP section. + +enum +{ + GRP_COMDAT = 0x1, + GRP_MASKOS = 0x0ff00000, + GRP_MASKPROC = 0xf0000000 +}; + +// Symbol binding from Sym st_info field. + +enum STB +{ + STB_LOCAL = 0, + STB_GLOBAL = 1, + STB_WEAK = 2, + STB_LOOS = 10, + STB_HIOS = 12, + STB_LOPROC = 13, + STB_HIPROC = 15 +}; + +// Symbol types from Sym st_info field. + +enum STT +{ + STT_NOTYPE = 0, + STT_OBJECT = 1, + STT_FUNC = 2, + STT_SECTION = 3, + STT_FILE = 4, + STT_COMMON = 5, + STT_TLS = 6, + STT_LOOS = 10, + STT_HIOS = 12, + STT_LOPROC = 13, + STT_HIPROC = 15 +}; + +// Symbol visibility from Sym st_other field. + +enum STV +{ + STV_DEFAULT = 0, + STV_INTERNAL = 1, + STV_HIDDEN = 2, + STV_PROTECTED = 3 +}; + +} // End namespace elfcpp. + +// Include internal details after defining the types. +#include "elfcpp_internal.h" + +namespace elfcpp +{ + +// The offset of the ELF file header in the ELF file. + +const int file_header_offset = 0; + +// ELF structure sizes. + +template +struct Elf_sizes +{ + // Size of ELF file header. + static const int ehdr_size = sizeof(internal::Ehdr_data); + // Size of ELF section header. + static const int shdr_size = sizeof(internal::Shdr_data); + // Size of ELF symbol table entry. + static const int sym_size = sizeof(internal::Sym_data); +}; + +// Accessor class for the ELF file header. + +template +class Ehdr +{ + public: + Ehdr(const unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + const unsigned char* + get_e_ident() const + { return this->p_->e_ident; } + + Elf_Half + get_e_type() const + { return internal::convert_half(this->p_->e_type); } + + Elf_Half + get_e_machine() const + { return internal::convert_half(this->p_->e_machine); } + + Elf_Word + get_e_version() const + { return internal::convert_word(this->p_->e_version); } + + typename Elf_types::Elf_Addr + get_e_entry() const + { return internal::convert_addr(this->p_->e_entry); } + + typename Elf_types::Elf_Off + get_e_phoff() const + { return internal::convert_off(this->p_->e_phoff); } + + typename Elf_types::Elf_Off + get_e_shoff() const + { return internal::convert_off(this->p_->e_shoff); } + + Elf_Word + get_e_flags() const + { return internal::convert_word(this->p_->e_flags); } + + Elf_Half + get_e_ehsize() const + { return internal::convert_half(this->p_->e_ehsize); } + + Elf_Half + get_e_phentsize() const + { return internal::convert_half(this->p_->e_phentsize); } + + Elf_Half + get_e_phnum() const + { return internal::convert_half(this->p_->e_phnum); } + + Elf_Half + get_e_shentsize() const + { return internal::convert_half(this->p_->e_shentsize); } + + Elf_Half + get_e_shnum() const + { return internal::convert_half(this->p_->e_shnum); } + + Elf_Half + get_e_shstrndx() const + { return internal::convert_half(this->p_->e_shstrndx); } + + private: + const internal::Ehdr_data* p_; +}; + +// Accessor class for an ELF section header. + +template +class Shdr +{ + public: + Shdr(const unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + Elf_Word + get_sh_name() const + { return internal::convert_word(this->p_->sh_name); } + + Elf_Word + get_sh_type() const + { return internal::convert_word(this->p_->sh_type); } + + typename Elf_types::Elf_WXword + get_sh_flags() const + { return internal::convert_wxword(this->p_->sh_flags); } + + typename Elf_types::Elf_Addr + get_sh_addr() const + { return internal::convert_addr(this->p_->sh_addr); } + + typename Elf_types::Elf_Off + get_sh_offset() const + { return internal::convert_off(this->p_->sh_offset); } + + typename Elf_types::Elf_WXword + get_sh_size() const + { return internal::convert_wxword(this->p_->sh_size); } + + Elf_Word + get_sh_link() const + { return internal::convert_word(this->p_->sh_link); } + + Elf_Word + get_sh_info() const + { return internal::convert_word(this->p_->sh_info); } + + typename Elf_types::Elf_WXword + get_sh_addralign() const + { return + internal::convert_wxword(this->p_->sh_addralign); } + + typename Elf_types::Elf_WXword + get_sh_entsize() const + { return internal::convert_wxword(this->p_->sh_entsize); } + + private: + const internal::Shdr_data* p_; +}; + +// Accessor class for an ELF symbol table entry. + +template +class Sym +{ + public: + Sym(const unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + Elf_Word + get_st_name() const + { return internal::convert_word(this->p_->st_name); } + + typename Elf_types::Elf_Addr + get_st_value() const + { return internal::convert_addr(this->p_->st_value); } + + typename Elf_types::Elf_WXword + get_st_size() const + { return internal::convert_wxword(this->p_->st_size); } + + unsigned char + get_st_info() const + { return this->p_->st_info; } + + unsigned char + get_st_other() const + { return this->p_->st_other; } + + Elf_Half + get_st_shndx() const + { return internal::convert_half(this->p_->st_shndx); } + + private: + const internal::Sym_data* p_; +}; + +} // End namespace elfcpp. + +#endif // !defined(ELFPCP_H) diff --git a/elfcpp/elfcpp_config.h b/elfcpp/elfcpp_config.h new file mode 100644 index 00000000000..e69de29bb2d diff --git a/elfcpp/elfcpp_internal.h b/elfcpp/elfcpp_internal.h new file mode 100644 index 00000000000..f4dd8bd5195 --- /dev/null +++ b/elfcpp/elfcpp_internal.h @@ -0,0 +1,238 @@ +// elfcpp_internal.h -- internals for elfcpp -*- C++ -*- + +// This is included by elfcpp.h, the external interface, but holds +// information which we want to keep private. + +#include "elfcpp_config.h" + +#include + +#ifndef ELFCPP_INTERNAL_H +#define ELFCPP_INTERNAL_H + +namespace elfcpp +{ + +namespace internal +{ + +#ifdef WORDS_BIG_ENDIAN +const bool host_big_endian = true; +#else +const bool host_big_endian = false; +#endif + +// Conversion routines between target and host. + +// Convert Elf_Half. + +template +Elf_Half +convert_half_host(Elf_Half v); + +template<> +inline Elf_Half +convert_half_host(Elf_Half v) +{ + return v; +} + +template<> +inline Elf_Half +convert_half_host(Elf_Half v) +{ + return bswap_16(v); +} + +template +inline Elf_Half +convert_half(Elf_Half v) +{ + return convert_half_host(v); +} + +// Convert Elf_Word. + +template +Elf_Word +convert_word_host(Elf_Word v); + +template<> +inline Elf_Word +convert_word_host(Elf_Word v) +{ + return v; +} + +template<> +inline Elf_Word +convert_word_host(Elf_Word v) +{ + return bswap_32(v); +} + +template +inline Elf_Word +convert_word(Elf_Word v) +{ + return convert_word_host(v); +} + +// Convert Elf_Xword. + +template +Elf_Xword +convert_xword_host(Elf_Xword v); + +template<> +inline Elf_Xword +convert_xword_host(Elf_Xword v) +{ + return v; +} + +template<> +inline Elf_Xword +convert_xword_host(Elf_Xword v) +{ + return bswap_64(v); +} + +template +inline Elf_Xword +convert_xword(Elf_Xword v) +{ + return convert_xword_host(v); +} + +// Convert Elf_addr. + +template +typename Elf_types::Elf_Addr +convert_addr_size(typename Elf_types::Elf_Addr); + +template<> +inline Elf_types<32>::Elf_Addr +convert_addr_size<32, true>(Elf_types<32>::Elf_Addr v) +{ + return v; +} + +template<> +inline Elf_types<64>::Elf_Addr +convert_addr_size<64, true>(Elf_types<64>::Elf_Addr v) +{ + return v; +} + +template<> +inline Elf_types<32>::Elf_Addr +convert_addr_size<32, false>(Elf_types<32>::Elf_Addr v) +{ + return bswap_32(v); +} + +template<> +inline Elf_types<64>::Elf_Addr +convert_addr_size<64, false>(Elf_types<64>::Elf_Addr v) +{ + return bswap_64(v); +} + +template +inline typename Elf_types::Elf_Addr +convert_addr(typename Elf_types::Elf_Addr v) +{ + return convert_addr_size(v); +} + +// Convert Elf_Off. + +template +inline typename Elf_types::Elf_Off +convert_off(typename Elf_types::Elf_Off v) +{ + return convert_addr_size(v); +} + +// Convert Elf_WXword. + +template +inline typename Elf_types::Elf_Off +convert_wxword(typename Elf_types::Elf_Off v) +{ + return convert_addr_size(v); +} + +// The ELF file header. + +template +struct Ehdr_data +{ + unsigned char e_ident[EI_NIDENT]; + Elf_Half e_type; + Elf_Half e_machine; + Elf_Word e_version; + typename Elf_types::Elf_Addr e_entry; + typename Elf_types::Elf_Off e_phoff; + typename Elf_types::Elf_Off e_shoff; + Elf_Word e_flags; + Elf_Half e_ehsize; + Elf_Half e_phentsize; + Elf_Half e_phnum; + Elf_Half e_shentsize; + Elf_Half e_shnum; + Elf_Half e_shstrndx; +}; + +// An Elf section header. + +template +struct Shdr_data +{ + Elf_Word sh_name; + Elf_Word sh_type; + typename Elf_types::Elf_WXword sh_flags; + typename Elf_types::Elf_Addr sh_addr; + typename Elf_types::Elf_Off sh_offset; + typename Elf_types::Elf_WXword sh_size; + Elf_Word sh_link; + Elf_Word sh_info; + typename Elf_types::Elf_WXword sh_addralign; + typename Elf_types::Elf_WXword sh_entsize; +}; + +// An ELF symbol table entry. We use template specialization for the +// 32-bit and 64-bit versions because the fields are in a different +// order. + +template +struct Sym_data; + +template<> +struct Sym_data<32> +{ + Elf_Word st_name; + Elf_types<32>::Elf_Addr st_value; + Elf_Word st_size; + unsigned char st_info; + unsigned char st_other; + Elf_Half st_shndx; +}; + +template<> +struct Sym_data<64> +{ + Elf_Word st_name; + unsigned char st_info; + unsigned char st_other; + Elf_Half st_shndx; + Elf_types<64>::Elf_Addr st_value; + Elf_Xword st_size; +}; + +} // End namespace internal. + +} // End namespace elfcpp. + +#endif // !defined(ELFCPP_INTERNAL_H) diff --git a/gold/Makefile.am b/gold/Makefile.am new file mode 100644 index 00000000000..acff0a449e5 --- /dev/null +++ b/gold/Makefile.am @@ -0,0 +1,69 @@ +# Process this file with automake to generate Makefile.in + +AUTOMAKE_OPTIONS = + +SUBDIRS = po + +tooldir = $(exec_prefix)/$(target_alias) + +ACLOCAL_AMFLAGS = -I ../bfd -I ../config + +AM_CXXFLAGS = $(WARN_CXXFLAGS) $(LFS_CXXFLAGS) + +INCLUDES = -D_GNU_SOURCE \ + -I$(srcdir) -I$(srcdir)/../include -I$(srcdir)/../elfcpp \ + -DLOCALEDIR="\"$(datadir)/locale\"" \ + @INCINTL@ + +noinst_PROGRAMS = ld-new + +CFILES = \ + dirsearch.cc \ + fileread.cc \ + gold.cc \ + gold-threads.cc \ + object.cc \ + options.cc \ + readsyms.cc \ + workqueue.cc + +HFILES = \ + dirsearch.h \ + fileread.h \ + gold.h \ + gold-threads.h \ + object.h \ + options.h \ + readsyms.h \ + symtab.h \ + target.h \ + targetsize.h \ + workqueue.h + +OFILES = gold.o options.o + +POTFILES= $(CFILES) $(HFILES) + +po/POTFILES.in: @MAINT@ Makefile + for f in $(POTFILES); 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We just wanted to have am__tar + # and am__untar set. + test -n "${am_cv_prog_tar_$1}" && break + + # tar/untar a dummy directory, and stop if the command works + rm -rf conftest.dir + mkdir conftest.dir + echo GrepMe > conftest.dir/file + AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) + rm -rf conftest.dir + if test -s conftest.tar; then + AM_RUN_LOG([$am__untar /dev/null 2>&1 && break + fi +done +rm -rf conftest.dir + +AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) +AC_MSG_RESULT([$am_cv_prog_tar_$1])]) +AC_SUBST([am__tar]) +AC_SUBST([am__untar]) +]) # _AM_PROG_TAR + +m4_include([../config/depstand.m4]) +m4_include([../config/lead-dot.m4]) +m4_include([../bfd/../config/progtest.m4]) +m4_include([../bfd/../config/po.m4]) +m4_include([../bfd/../config/nls.m4]) +m4_include([../bfd/../config/gettext-sister.m4]) +m4_include([../bfd/warning.m4]) diff --git a/gold/config.in b/gold/config.in new file mode 100644 index 00000000000..05f05baad05 --- /dev/null +++ b/gold/config.in @@ -0,0 +1,26 @@ +/* config.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if translation of program messages to the user's native + language is requested. */ +#undef ENABLE_NLS + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Version number of package */ +#undef VERSION diff --git a/gold/configure b/gold/configure new file mode 100755 index 00000000000..96ca9740480 --- /dev/null +++ b/gold/configure @@ -0,0 +1,5472 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.59. +# +# Copyright (C) 2003 Free Software Foundation, Inc. +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## --------------------- ## +## M4sh Initialization. ## +## --------------------- ## + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' +elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then + set -o posix +fi +DUALCASE=1; export DUALCASE # for MKS sh + +# Support unset when possible. +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + as_unset=unset +else + as_unset=false +fi + + +# Work around bugs in pre-3.0 UWIN ksh. +$as_unset ENV MAIL MAILPATH +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +for as_var in \ + LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \ + LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \ + LC_TELEPHONE LC_TIME +do + if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then + eval $as_var=C; export $as_var + else + $as_unset $as_var + fi +done + +# Required to use basename. +if expr a : '\(a\)' >/dev/null 2>&1; then + as_expr=expr +else + as_expr=false +fi + +if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + + +# Name of the executable. +as_me=`$as_basename "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)$' \| \ + . : '\(.\)' 2>/dev/null || +echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; } + /^X\/\(\/\/\)$/{ s//\1/; q; } + /^X\/\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + + +# PATH needs CR, and LINENO needs CR and PATH. +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + + + as_lineno_1=$LINENO + as_lineno_2=$LINENO + as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null` + test "x$as_lineno_1" != "x$as_lineno_2" && + test "x$as_lineno_3" = "x$as_lineno_2" || { + # Find who we are. Look in the path if we contain no path at all + # relative or not. + case $0 in + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break +done + + ;; + esac + # We did not find ourselves, most probably we were run as `sh COMMAND' + # in which case we are not to be found in the path. + if test "x$as_myself" = x; then + as_myself=$0 + fi + if test ! -f "$as_myself"; then + { echo "$as_me: error: cannot find myself; rerun with an absolute path" >&2 + { (exit 1); exit 1; }; } + fi + case $CONFIG_SHELL in + '') + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for as_base in sh bash ksh sh5; do + case $as_dir in + /*) + if ("$as_dir/$as_base" -c ' + as_lineno_1=$LINENO + as_lineno_2=$LINENO + as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null` + test "x$as_lineno_1" != "x$as_lineno_2" && + test "x$as_lineno_3" = "x$as_lineno_2" ') 2>/dev/null; then + $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; } + $as_unset ENV || test "${ENV+set}" != set || { ENV=; export ENV; } + CONFIG_SHELL=$as_dir/$as_base + export CONFIG_SHELL + exec "$CONFIG_SHELL" "$0" ${1+"$@"} + fi;; + esac + done +done +;; + esac + + # Create $as_me.lineno as a copy of $as_myself, but with $LINENO + # uniformly replaced by the line number. The first 'sed' inserts a + # line-number line before each line; the second 'sed' does the real + # work. The second script uses 'N' to pair each line-number line + # with the numbered line, and appends trailing '-' during + # substitution so that $LINENO is not a special case at line end. + # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the + # second 'sed' script. Blame Lee E. McMahon for sed's syntax. :-) + sed '=' <$as_myself | + sed ' + N + s,$,-, + : loop + s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3, + t loop + s,-$,, + s,^['$as_cr_digits']*\n,, + ' >$as_me.lineno && + chmod +x $as_me.lineno || + { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2 + { (exit 1); exit 1; }; } + + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. 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Invocation command line was + + $ $0 $@ + +_ACEOF +{ +cat <<_ASUNAME +## --------- ## +## Platform. ## +## --------- ## + +hostname = `(hostname || uname -n) 2>/dev/null | sed 1q` +uname -m = `(uname -m) 2>/dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown` + +/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown` +hostinfo = `(hostinfo) 2>/dev/null || echo unknown` +/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown` +/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown` + +_ASUNAME + +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + echo "PATH: $as_dir" +done + +} >&5 + +cat >&5 <<_ACEOF + + +## ----------- ## +## Core tests. ## +## ----------- ## + +_ACEOF + + +# Keep a trace of the command line. +# Strip out --no-create and --no-recursion so they do not pile up. +# Strip out --silent because we don't want to record it for future runs. +# Also quote any args containing shell meta-characters. +# Make two passes to allow for proper duplicate-argument suppression. +ac_configure_args= +ac_configure_args0= +ac_configure_args1= +ac_sep= +ac_must_keep_next=false +for ac_pass in 1 2 +do + for ac_arg + do + case $ac_arg in + -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil) + continue ;; + *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*) + ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + case $ac_pass in + 1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;; + 2) + ac_configure_args1="$ac_configure_args1 '$ac_arg'" + if test $ac_must_keep_next = true; then + ac_must_keep_next=false # Got value, back to normal. + else + case $ac_arg in + *=* | --config-cache | -C | -disable-* | --disable-* \ + | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ + | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ + | -with-* | --with-* | -without-* | --without-* | --x) + case "$ac_configure_args0 " in + "$ac_configure_args1"*" '$ac_arg' "* ) continue ;; + esac + ;; + -* ) ac_must_keep_next=true ;; + esac + fi + ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'" + # Get rid of the leading space. + ac_sep=" " + ;; + esac + done +done +$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; } +$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; } + +# When interrupted or exit'd, cleanup temporary files, and complete +# config.log. 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"$ac_site_file" + fi +done + +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special + # files actually), so we avoid doing that. + if test -f "$cache_file"; then + { echo "$as_me:$LINENO: loading cache $cache_file" >&5 +echo "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . $cache_file;; + *) . ./$cache_file;; + esac + fi +else + { echo "$as_me:$LINENO: creating cache $cache_file" >&5 +echo "$as_me: creating cache $cache_file" >&6;} + >$cache_file +fi + +# Check that the precious variables saved in the cache have kept the same +# value. +ac_cache_corrupted=false +for ac_var in `(set) 2>&1 | + sed -n 's/^ac_env_\([a-zA-Z_0-9]*\)_set=.*/\1/p'`; do + eval ac_old_set=\$ac_cv_env_${ac_var}_set + eval ac_new_set=\$ac_env_${ac_var}_set + eval ac_old_val="\$ac_cv_env_${ac_var}_value" + eval ac_new_val="\$ac_env_${ac_var}_value" + case $ac_old_set,$ac_new_set in + set,) + { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 +echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,set) + { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5 +echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,);; + *) + if test "x$ac_old_val" != "x$ac_new_val"; then + { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5 +echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} + { echo "$as_me:$LINENO: former value: $ac_old_val" >&5 +echo "$as_me: former value: $ac_old_val" >&2;} + { echo "$as_me:$LINENO: current value: $ac_new_val" >&5 +echo "$as_me: current value: $ac_new_val" >&2;} + ac_cache_corrupted=: + fi;; + esac + # Pass precious variables to config.status. + if test "$ac_new_set" = set; then + case $ac_new_val in + *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*) + ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; + *) ac_arg=$ac_var=$ac_new_val ;; + esac + case " $ac_configure_args " in + *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. + *) ac_configure_args="$ac_configure_args '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5 +echo "$as_me: error: changes in the environment can compromise the build" >&2;} + { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5 +echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;} + { (exit 1); exit 1; }; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + + + + + + + + + + + + + + + + + + + +ac_aux_dir= +for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do + if test -f $ac_dir/install-sh; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/install-sh -c" + break + elif test -f $ac_dir/install.sh; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/install.sh -c" + break + elif test -f $ac_dir/shtool; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/shtool install -c" + break + fi +done +if test -z "$ac_aux_dir"; then + { { echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&5 +echo "$as_me: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&2;} + { (exit 1); exit 1; }; } +fi +ac_config_guess="$SHELL $ac_aux_dir/config.guess" +ac_config_sub="$SHELL $ac_aux_dir/config.sub" +ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure. + +# Make sure we can run config.sub. +$ac_config_sub sun4 >/dev/null 2>&1 || + { { echo "$as_me:$LINENO: error: cannot run $ac_config_sub" >&5 +echo "$as_me: error: cannot run $ac_config_sub" >&2;} + { (exit 1); exit 1; }; } + +echo "$as_me:$LINENO: checking build system type" >&5 +echo $ECHO_N "checking build system type... $ECHO_C" >&6 +if test "${ac_cv_build+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_build_alias=$build_alias +test -z "$ac_cv_build_alias" && + ac_cv_build_alias=`$ac_config_guess` +test -z "$ac_cv_build_alias" && + { { echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5 +echo "$as_me: error: cannot guess build type; you must specify one" >&2;} + { (exit 1); exit 1; }; } +ac_cv_build=`$ac_config_sub $ac_cv_build_alias` || + { { echo "$as_me:$LINENO: error: $ac_config_sub $ac_cv_build_alias failed" >&5 +echo "$as_me: error: $ac_config_sub $ac_cv_build_alias failed" >&2;} + { (exit 1); exit 1; }; } + +fi +echo "$as_me:$LINENO: result: $ac_cv_build" >&5 +echo "${ECHO_T}$ac_cv_build" >&6 +build=$ac_cv_build +build_cpu=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` +build_vendor=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` +build_os=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` + + +echo "$as_me:$LINENO: checking host system type" >&5 +echo $ECHO_N "checking host system type... $ECHO_C" >&6 +if test "${ac_cv_host+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_host_alias=$host_alias +test -z "$ac_cv_host_alias" && + ac_cv_host_alias=$ac_cv_build_alias +ac_cv_host=`$ac_config_sub $ac_cv_host_alias` || + { { echo "$as_me:$LINENO: error: $ac_config_sub $ac_cv_host_alias failed" >&5 +echo "$as_me: error: $ac_config_sub $ac_cv_host_alias failed" >&2;} + { (exit 1); exit 1; }; } + +fi +echo "$as_me:$LINENO: result: $ac_cv_host" >&5 +echo "${ECHO_T}$ac_cv_host" >&6 +host=$ac_cv_host +host_cpu=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` +host_vendor=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` +host_os=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` + + +echo "$as_me:$LINENO: checking target system type" >&5 +echo $ECHO_N "checking target system type... $ECHO_C" >&6 +if test "${ac_cv_target+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_target_alias=$target_alias +test "x$ac_cv_target_alias" = "x" && + ac_cv_target_alias=$ac_cv_host_alias +ac_cv_target=`$ac_config_sub $ac_cv_target_alias` || + { { echo "$as_me:$LINENO: error: $ac_config_sub $ac_cv_target_alias failed" >&5 +echo "$as_me: error: $ac_config_sub $ac_cv_target_alias failed" >&2;} + { (exit 1); exit 1; }; } + +fi +echo "$as_me:$LINENO: result: $ac_cv_target" >&5 +echo "${ECHO_T}$ac_cv_target" >&6 +target=$ac_cv_target +target_cpu=`echo $ac_cv_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` +target_vendor=`echo $ac_cv_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` +target_os=`echo $ac_cv_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` + + +# The aliases save the names the user supplied, while $host etc. +# will get canonicalized. +test -n "$target_alias" && + test "$program_prefix$program_suffix$program_transform_name" = \ + NONENONEs,x,x, && + program_prefix=${target_alias}- + +am__api_version="1.9" +# Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5 +echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6 +if test -z "$INSTALL"; then +if test "${ac_cv_path_install+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + # Account for people who put trailing slashes in PATH elements. +case $as_dir/ in + ./ | .// | /cC/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then + if test $ac_prog = install && + grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + done + done + ;; +esac +done + + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. We don't cache a + # path for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the path is relative. + INSTALL=$ac_install_sh + fi +fi +echo "$as_me:$LINENO: result: $INSTALL" >&5 +echo "${ECHO_T}$INSTALL" >&6 + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +echo "$as_me:$LINENO: checking whether build environment is sane" >&5 +echo $ECHO_N "checking whether build environment is sane... $ECHO_C" >&6 +# Just in case +sleep 1 +echo timestamp > conftest.file +# Do `set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null` + if test "$*" = "X"; then + # -L didn't work. + set X `ls -t $srcdir/configure conftest.file` + fi + rm -f conftest.file + if test "$*" != "X $srcdir/configure conftest.file" \ + && test "$*" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + { { echo "$as_me:$LINENO: error: ls -t appears to fail. Make sure there is not a broken +alias in your environment" >&5 +echo "$as_me: error: ls -t appears to fail. Make sure there is not a broken +alias in your environment" >&2;} + { (exit 1); exit 1; }; } + fi + + test "$2" = conftest.file + ) +then + # Ok. + : +else + { { echo "$as_me:$LINENO: error: newly created file is older than distributed files! +Check your system clock" >&5 +echo "$as_me: error: newly created file is older than distributed files! +Check your system clock" >&2;} + { (exit 1); exit 1; }; } +fi +echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 +test "$program_prefix" != NONE && + program_transform_name="s,^,$program_prefix,;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s,\$,$program_suffix,;$program_transform_name" +# Double any \ or $. echo might interpret backslashes. +# By default was `s,x,x', remove it if useless. +cat <<\_ACEOF >conftest.sed +s/[\\$]/&&/g;s/;s,x,x,$// +_ACEOF +program_transform_name=`echo $program_transform_name | sed -f conftest.sed` +rm conftest.sed + +# expand $ac_aux_dir to an absolute path +am_aux_dir=`cd $ac_aux_dir && pwd` + +test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing" +# Use eval to expand $SHELL +if eval "$MISSING --run true"; then + am_missing_run="$MISSING --run " +else + am_missing_run= + { echo "$as_me:$LINENO: WARNING: \`missing' script is too old or missing" >&5 +echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;} +fi + +if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then + # We used to keeping the `.' as first argument, in order to + # allow $(mkdir_p) to be used without argument. As in + # $(mkdir_p) $(somedir) + # where $(somedir) is conditionally defined. However this is wrong + # for two reasons: + # 1. if the package is installed by a user who cannot write `.' + # make install will fail, + # 2. the above comment should most certainly read + # $(mkdir_p) $(DESTDIR)$(somedir) + # so it does not work when $(somedir) is undefined and + # $(DESTDIR) is not. + # To support the latter case, we have to write + # test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir), + # so the `.' trick is pointless. + mkdir_p='mkdir -p --' +else + # On NextStep and OpenStep, the `mkdir' command does not + # recognize any option. It will interpret all options as + # directories to create, and then abort because `.' already + # exists. + for d in ./-p ./--version; + do + test -d $d && rmdir $d + done + # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists. + if test -f "$ac_aux_dir/mkinstalldirs"; then + mkdir_p='$(mkinstalldirs)' + else + mkdir_p='$(install_sh) -d' + fi +fi + +for ac_prog in gawk mawk nawk awk +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_AWK+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$AWK"; then + ac_cv_prog_AWK="$AWK" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_AWK="$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +AWK=$ac_cv_prog_AWK +if test -n "$AWK"; then + echo "$as_me:$LINENO: result: $AWK" >&5 +echo "${ECHO_T}$AWK" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$AWK" && break +done + +echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +echo $ECHO_N "checking whether ${MAKE-make} sets \$(MAKE)... $ECHO_C" >&6 +set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y,:./+-,___p_,'` +if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.make <<\_ACEOF +all: + @echo 'ac_maketemp="$(MAKE)"' +_ACEOF +# GNU make sometimes prints "make[1]: Entering...", which would confuse us. +eval `${MAKE-make} -f conftest.make 2>/dev/null | grep temp=` +if test -n "$ac_maketemp"; then + eval ac_cv_prog_make_${ac_make}_set=yes +else + eval ac_cv_prog_make_${ac_make}_set=no +fi +rm -f conftest.make +fi +if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then + echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 + SET_MAKE= +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 + SET_MAKE="MAKE=${MAKE-make}" +fi + +rm -rf .tst 2>/dev/null +mkdir .tst 2>/dev/null +if test -d .tst; then + am__leading_dot=. +else + am__leading_dot=_ +fi +rmdir .tst 2>/dev/null + +# test to see if srcdir already configured +if test "`cd $srcdir && pwd`" != "`pwd`" && + test -f $srcdir/config.status; then + { { echo "$as_me:$LINENO: error: source directory already configured; run \"make distclean\" there first" >&5 +echo "$as_me: error: source directory already configured; run \"make distclean\" there first" >&2;} + { (exit 1); exit 1; }; } +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then + if (cygpath --version) >/dev/null 2>/dev/null; then + CYGPATH_W='cygpath -w' + else + CYGPATH_W=echo + fi +fi + + +# Define the identity of the package. + PACKAGE=gold + VERSION=0.1 + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE "$PACKAGE" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define VERSION "$VERSION" +_ACEOF + +# Some tools Automake needs. + +ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"} + + +AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} + + +AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"} + + +AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} + + +MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} + +install_sh=${install_sh-"$am_aux_dir/install-sh"} + +# Installed binaries are usually stripped using `strip' when the user +# run `make install-strip'. However `strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the `STRIP' environment variable to overrule this program. +if test "$cross_compiling" != no; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_STRIP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + echo "$as_me:$LINENO: result: $STRIP" >&5 +echo "${ECHO_T}$STRIP" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + + test -z "$ac_cv_prog_ac_ct_STRIP" && ac_cv_prog_ac_ct_STRIP=":" +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5 +echo "${ECHO_T}$ac_ct_STRIP" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + STRIP=$ac_ct_STRIP +else + STRIP="$ac_cv_prog_STRIP" +fi + +fi +INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s" + +# We need awk for the "check" target. The system "awk" is bad on +# some platforms. +# Always define AMTAR for backward compatibility. + +AMTAR=${AMTAR-"${am_missing_run}tar"} + +am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -' + + + + + + + ac_config_headers="$ac_config_headers config.h:config.in" + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + CC=$ac_ct_CC +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + CC=$ac_ct_CC +else + CC="$ac_cv_prog_CC" +fi + +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$ac_ct_CC" && break +done + + CC=$ac_ct_CC +fi + +fi + + +test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH +See \`config.log' for more details." >&5 +echo "$as_me: error: no acceptable C compiler found in \$PATH +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } + +# Provide some information about the compiler. +echo "$as_me:$LINENO:" \ + "checking for C compiler version" >&5 +ac_compiler=`set X $ac_compile; echo $2` +{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version &5\"") >&5 + (eval $ac_compiler --version &5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v &5\"") >&5 + (eval $ac_compiler -v &5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V &5\"") >&5 + (eval $ac_compiler -V &5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +echo "$as_me:$LINENO: checking for C compiler default output file name" >&5 +echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6 +ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` +if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5 + (eval $ac_link_default) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + # Find the output, starting from the most likely. This scheme is +# not robust to junk in `.', hence go to wildcards (a.*) only as a last +# resort. + +# Be careful to initialize this variable, since it used to be cached. +# Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile. +ac_cv_exeext= +# b.out is created by i960 compilers. +for ac_file in a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) + ;; + conftest.$ac_ext ) + # This is the source file. + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + # FIXME: I believe we export ac_cv_exeext for Libtool, + # but it would be cool to find out if it's true. Does anybody + # maintain Libtool? --akim. + export ac_cv_exeext + break;; + * ) + break;; + esac +done +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { echo "$as_me:$LINENO: error: C compiler cannot create executables +See \`config.log' for more details." >&5 +echo "$as_me: error: C compiler cannot create executables +See \`config.log' for more details." >&2;} + { (exit 77); exit 77; }; } +fi + +ac_exeext=$ac_cv_exeext +echo "$as_me:$LINENO: result: $ac_file" >&5 +echo "${ECHO_T}$ac_file" >&6 + +# Check the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +echo "$as_me:$LINENO: checking whether the C compiler works" >&5 +echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6 +# FIXME: These cross compiler hacks should be removed for Autoconf 3.0 +# If not cross compiling, check that we can run a simple program. +if test "$cross_compiling" != yes; then + if { ac_try='./$ac_file' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { echo "$as_me:$LINENO: error: cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } + fi + fi +fi +echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 + +rm -f a.out a.exe conftest$ac_cv_exeext b.out +ac_clean_files=$ac_clean_files_save +# Check the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +echo "$as_me:$LINENO: checking whether we are cross compiling" >&5 +echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6 +echo "$as_me:$LINENO: result: $cross_compiling" >&5 +echo "${ECHO_T}$cross_compiling" >&6 + +echo "$as_me:$LINENO: checking for suffix of executables" >&5 +echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + # If both `conftest.exe' and `conftest' are `present' (well, observable) +# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + export ac_cv_exeext + break;; + * ) break;; + esac +done +else + { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi + +rm -f conftest$ac_cv_exeext +echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5 +echo "${ECHO_T}$ac_cv_exeext" >&6 + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +echo "$as_me:$LINENO: checking for suffix of object files" >&5 +echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6 +if test "${ac_cv_objext+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute suffix of object files: cannot compile +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi + +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_objext" >&5 +echo "${ECHO_T}$ac_cv_objext" >&6 +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5 +echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6 +if test "${ac_cv_c_compiler_gnu+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_compiler_gnu=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_compiler_gnu=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5 +echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6 +GCC=`test $ac_compiler_gnu = yes && echo yes` +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +CFLAGS="-g" +echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5 +echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6 +if test "${ac_cv_prog_cc_g+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_prog_cc_g=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_prog_cc_g=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_g" >&6 +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +echo "$as_me:$LINENO: checking for $CC option to accept ANSI C" >&5 +echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6 +if test "${ac_cv_prog_cc_stdc+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_prog_cc_stdc=no +ac_save_CC=$CC +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std1 is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std1. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +# Don't try gcc -ansi; that turns off useful extensions and +# breaks some systems' header files. +# AIX -qlanglvl=ansi +# Ultrix and OSF/1 -std1 +# HP-UX 10.20 and later -Ae +# HP-UX older versions -Aa -D_HPUX_SOURCE +# SVR4 -Xc -D__EXTENSIONS__ +for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_prog_cc_stdc=$ac_arg +break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext +done +rm -f conftest.$ac_ext conftest.$ac_objext +CC=$ac_save_CC + +fi + +case "x$ac_cv_prog_cc_stdc" in + x|xno) + echo "$as_me:$LINENO: result: none needed" >&5 +echo "${ECHO_T}none needed" >&6 ;; + *) + echo "$as_me:$LINENO: result: $ac_cv_prog_cc_stdc" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6 + CC="$CC $ac_cv_prog_cc_stdc" ;; +esac + +# Some people use a C++ compiler to compile C. Since we use `exit', +# in C++ we need to declare it. In case someone uses the same compiler +# for both compiling C and C++ we need to have the C++ compiler decide +# the declaration of exit, since it's the most demanding environment. +cat >conftest.$ac_ext <<_ACEOF +#ifndef __cplusplus + choke me +#endif +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + for ac_declaration in \ + '' \ + 'extern "C" void std::exit (int) throw (); using std::exit;' \ + 'extern "C" void std::exit (int); using std::exit;' \ + 'extern "C" void exit (int) throw ();' \ + 'extern "C" void exit (int);' \ + 'void exit (int);' +do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_declaration +#include +int +main () +{ +exit (42); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +continue +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_declaration +int +main () +{ +exit (42); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +done +rm -f conftest* +if test -n "$ac_declaration"; then + echo '#ifdef __cplusplus' >>confdefs.h + echo $ac_declaration >>confdefs.h + echo '#endif' >>confdefs.h +fi + +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +DEPDIR="${am__leading_dot}deps" + + ac_config_commands="$ac_config_commands depfiles" + + +am_make=${MAKE-make} +cat > confinc << 'END' +am__doit: + @echo done +.PHONY: am__doit +END +# If we don't find an include directive, just comment out the code. +echo "$as_me:$LINENO: checking for style of include used by $am_make" >&5 +echo $ECHO_N "checking for style of include used by $am_make... $ECHO_C" >&6 +am__include="#" +am__quote= +_am_result=none +# First try GNU make style include. +echo "include confinc" > confmf +# We grep out `Entering directory' and `Leaving directory' +# messages which can occur if `w' ends up in MAKEFLAGS. +# In particular we don't look at `^make:' because GNU make might +# be invoked under some other name (usually "gmake"), in which +# case it prints its new name instead of `make'. +if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then + am__include=include + am__quote= + _am_result=GNU +fi +# Now try BSD make style include. +if test "$am__include" = "#"; then + echo '.include "confinc"' > confmf + if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then + am__include=.include + am__quote="\"" + _am_result=BSD + fi +fi + + +echo "$as_me:$LINENO: result: $_am_result" >&5 +echo "${ECHO_T}$_am_result" >&6 +rm -f confinc confmf + +# Check whether --enable-dependency-tracking or --disable-dependency-tracking was given. +if test "${enable_dependency_tracking+set}" = set; then + enableval="$enable_dependency_tracking" + +fi; +if test "x$enable_dependency_tracking" != xno; then + am_depcomp="$ac_aux_dir/depcomp" + AMDEPBACKSLASH='\' +fi + + +if test "x$enable_dependency_tracking" != xno; then + AMDEP_TRUE= + AMDEP_FALSE='#' +else + AMDEP_TRUE='#' + AMDEP_FALSE= +fi + + + + +depcc="$CC" am_compiler_list= + +echo "$as_me:$LINENO: checking dependency style of $depcc" >&5 +echo $ECHO_N "checking dependency style of $depcc... $ECHO_C" >&6 +if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named `D' -- because `-MD' means `put the output + # in D'. + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with + # Solaris 8's {/usr,}/bin/sh. + touch sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + case $depmode in + nosideeffect) + # after this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + none) break ;; + esac + # We check with `-c' and `-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle `-M -o', and we need to detect this. + if depmode=$depmode \ + source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5 +echo "${ECHO_T}$am_cv_CC_dependencies_compiler_type" >&6 +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + + +if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + +ac_ext=cc +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu +if test -n "$ac_tool_prefix"; then + for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CXX+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CXX"; then + ac_cv_prog_CXX="$CXX" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CXX="$ac_tool_prefix$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CXX=$ac_cv_prog_CXX +if test -n "$CXX"; then + echo "$as_me:$LINENO: result: $CXX" >&5 +echo "${ECHO_T}$CXX" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$CXX" && break + done +fi +if test -z "$CXX"; then + ac_ct_CXX=$CXX + for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CXX"; then + ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CXX="$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CXX=$ac_cv_prog_ac_ct_CXX +if test -n "$ac_ct_CXX"; then + echo "$as_me:$LINENO: result: $ac_ct_CXX" >&5 +echo "${ECHO_T}$ac_ct_CXX" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$ac_ct_CXX" && break +done +test -n "$ac_ct_CXX" || ac_ct_CXX="g++" + + CXX=$ac_ct_CXX +fi + + +# Provide some information about the compiler. +echo "$as_me:$LINENO:" \ + "checking for C++ compiler version" >&5 +ac_compiler=`set X $ac_compile; echo $2` +{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version &5\"") >&5 + (eval $ac_compiler --version &5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v &5\"") >&5 + (eval $ac_compiler -v &5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V &5\"") >&5 + (eval $ac_compiler -V &5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } + +echo "$as_me:$LINENO: checking whether we are using the GNU C++ compiler" >&5 +echo $ECHO_N "checking whether we are using the GNU C++ compiler... $ECHO_C" >&6 +if test "${ac_cv_cxx_compiler_gnu+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_cxx_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_compiler_gnu=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_compiler_gnu=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_cxx_compiler_gnu=$ac_compiler_gnu + +fi +echo "$as_me:$LINENO: result: $ac_cv_cxx_compiler_gnu" >&5 +echo "${ECHO_T}$ac_cv_cxx_compiler_gnu" >&6 +GXX=`test $ac_compiler_gnu = yes && echo yes` +ac_test_CXXFLAGS=${CXXFLAGS+set} +ac_save_CXXFLAGS=$CXXFLAGS +CXXFLAGS="-g" +echo "$as_me:$LINENO: checking whether $CXX accepts -g" >&5 +echo $ECHO_N "checking whether $CXX accepts -g... $ECHO_C" >&6 +if test "${ac_cv_prog_cxx_g+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_cxx_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_prog_cxx_g=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_prog_cxx_g=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5 +echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6 +if test "$ac_test_CXXFLAGS" = set; then + CXXFLAGS=$ac_save_CXXFLAGS +elif test $ac_cv_prog_cxx_g = yes; then + if test "$GXX" = yes; then + CXXFLAGS="-g -O2" + else + CXXFLAGS="-g" + fi +else + if test "$GXX" = yes; then + CXXFLAGS="-O2" + else + CXXFLAGS= + fi +fi +for ac_declaration in \ + '' \ + 'extern "C" void std::exit (int) throw (); using std::exit;' \ + 'extern "C" void std::exit (int); using std::exit;' \ + 'extern "C" void exit (int) throw ();' \ + 'extern "C" void exit (int);' \ + 'void exit (int);' +do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_declaration +#include +int +main () +{ +exit (42); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_cxx_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +continue +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_declaration +int +main () +{ +exit (42); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? 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Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named `D' -- because `-MD' means `put the output + # in D'. + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CXX_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with + # Solaris 8's {/usr,}/bin/sh. + touch sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + case $depmode in + nosideeffect) + # after this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + none) break ;; + esac + # We check with `-c' and `-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle `-M -o', and we need to detect this. + if depmode=$depmode \ + source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CXX_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CXX_dependencies_compiler_type=none +fi + +fi +echo "$as_me:$LINENO: result: $am_cv_CXX_dependencies_compiler_type" >&5 +echo "${ECHO_T}$am_cv_CXX_dependencies_compiler_type" >&6 +CXXDEPMODE=depmode=$am_cv_CXX_dependencies_compiler_type + + + +if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CXX_dependencies_compiler_type" = gcc3; then + am__fastdepCXX_TRUE= + am__fastdepCXX_FALSE='#' +else + am__fastdepCXX_TRUE='#' + am__fastdepCXX_FALSE= +fi + + +# Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5 +echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6 +if test -z "$INSTALL"; then +if test "${ac_cv_path_install+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + # Account for people who put trailing slashes in PATH elements. +case $as_dir/ in + ./ | .// | /cC/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then + if test $ac_prog = install && + grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + done + done + ;; +esac +done + + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. We don't cache a + # path for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the path is relative. + INSTALL=$ac_install_sh + fi +fi +echo "$as_me:$LINENO: result: $INSTALL" >&5 +echo "${ECHO_T}$INSTALL" >&6 + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +# If we haven't got the data from the intl directory, +# assume NLS is disabled. +USE_NLS=no +LIBINTL= +LIBINTL_DEP= +INCINTL= +XGETTEXT= +GMSGFMT= +POSUB= + +if test -f ../intl/config.intl; then + . ../intl/config.intl +fi +echo "$as_me:$LINENO: checking whether NLS is requested" >&5 +echo $ECHO_N "checking whether NLS is requested... $ECHO_C" >&6 +if test x"$USE_NLS" != xyes; then + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +else + echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 + +cat >>confdefs.h <<\_ACEOF +#define ENABLE_NLS 1 +_ACEOF + + + echo "$as_me:$LINENO: checking for catalogs to be installed" >&5 +echo $ECHO_N "checking for catalogs to be installed... $ECHO_C" >&6 + # Look for .po and .gmo files in the source directory. + CATALOGS= + XLINGUAS= + for cat in $srcdir/po/*.gmo $srcdir/po/*.po; do + # If there aren't any .gmo files the shell will give us the + # literal string "../path/to/srcdir/po/*.gmo" which has to be + # weeded out. + case "$cat" in *\**) + continue;; + esac + # The quadruple backslash is collapsed to a double backslash + # by the backticks, then collapsed again by the double quotes, + # leaving us with one backslash in the sed expression (right + # before the dot that mustn't act as a wildcard). + cat=`echo $cat | sed -e "s!$srcdir/po/!!" -e "s!\\\\.po!.gmo!"` + lang=`echo $cat | sed -e "s!\\\\.gmo!!"` + # The user is allowed to set LINGUAS to a list of languages to + # install catalogs for. If it's empty that means "all of them." + if test "x$LINGUAS" = x; then + CATALOGS="$CATALOGS $cat" + XLINGUAS="$XLINGUAS $lang" + else + case "$LINGUAS" in *$lang*) + CATALOGS="$CATALOGS $cat" + XLINGUAS="$XLINGUAS $lang" + ;; + esac + fi + done + LINGUAS="$XLINGUAS" + echo "$as_me:$LINENO: result: $LINGUAS" >&5 +echo "${ECHO_T}$LINGUAS" >&6 + + + DATADIRNAME=share + + INSTOBJEXT=.mo + + GENCAT=gencat + + CATOBJEXT=.gmo + +fi + + MKINSTALLDIRS= + if test -n "$ac_aux_dir"; then + case "$ac_aux_dir" in + /*) MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs" ;; + *) MKINSTALLDIRS="\$(top_builddir)/$ac_aux_dir/mkinstalldirs" ;; + esac + fi + if test -z "$MKINSTALLDIRS"; then + MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs" + fi + + + + echo "$as_me:$LINENO: checking whether NLS is requested" >&5 +echo $ECHO_N "checking whether NLS is requested... $ECHO_C" >&6 + # Check whether --enable-nls or --disable-nls was given. +if test "${enable_nls+set}" = set; then + enableval="$enable_nls" + USE_NLS=$enableval +else + USE_NLS=yes +fi; + echo "$as_me:$LINENO: result: $USE_NLS" >&5 +echo "${ECHO_T}$USE_NLS" >&6 + + + + + + +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + +# Find out how to test for executable files. Don't use a zero-byte file, +# as systems may use methods other than mode bits to determine executability. +cat >conf$$.file <<_ASEOF +#! /bin/sh +exit 0 +_ASEOF +chmod +x conf$$.file +if test -x conf$$.file >/dev/null 2>&1; then + ac_executable_p="test -x" +else + ac_executable_p="test -f" +fi +rm -f conf$$.file + +# Extract the first word of "msgfmt", so it can be a program name with args. +set dummy msgfmt; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_path_MSGFMT+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + case "$MSGFMT" in + [\\/]* | ?:[\\/]*) + ac_cv_path_MSGFMT="$MSGFMT" # Let the user override the test with a path. + ;; + *) + ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$ac_save_IFS" + test -z "$ac_dir" && ac_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then + if $ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1 && + (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then + ac_cv_path_MSGFMT="$ac_dir/$ac_word$ac_exec_ext" + break 2 + fi + fi + done + done + IFS="$ac_save_IFS" + test -z "$ac_cv_path_MSGFMT" && ac_cv_path_MSGFMT=":" + ;; +esac +fi +MSGFMT="$ac_cv_path_MSGFMT" +if test "$MSGFMT" != ":"; then + echo "$as_me:$LINENO: result: $MSGFMT" >&5 +echo "${ECHO_T}$MSGFMT" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + # Extract the first word of "gmsgfmt", so it can be a program name with args. +set dummy gmsgfmt; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_path_GMSGFMT+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + case $GMSGFMT in + [\\/]* | ?:[\\/]*) + ac_cv_path_GMSGFMT="$GMSGFMT" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_GMSGFMT="$as_dir/$ac_word$ac_exec_ext" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + + test -z "$ac_cv_path_GMSGFMT" && ac_cv_path_GMSGFMT="$MSGFMT" + ;; +esac +fi +GMSGFMT=$ac_cv_path_GMSGFMT + +if test -n "$GMSGFMT"; then + echo "$as_me:$LINENO: result: $GMSGFMT" >&5 +echo "${ECHO_T}$GMSGFMT" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + + +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + +# Find out how to test for executable files. Don't use a zero-byte file, +# as systems may use methods other than mode bits to determine executability. +cat >conf$$.file <<_ASEOF +#! /bin/sh +exit 0 +_ASEOF +chmod +x conf$$.file +if test -x conf$$.file >/dev/null 2>&1; then + ac_executable_p="test -x" +else + ac_executable_p="test -f" +fi +rm -f conf$$.file + +# Extract the first word of "xgettext", so it can be a program name with args. +set dummy xgettext; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_path_XGETTEXT+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + case "$XGETTEXT" in + [\\/]* | ?:[\\/]*) + ac_cv_path_XGETTEXT="$XGETTEXT" # Let the user override the test with a path. + ;; + *) + ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$ac_save_IFS" + test -z "$ac_dir" && ac_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then + if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >/dev/null 2>&1 && + (if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then + ac_cv_path_XGETTEXT="$ac_dir/$ac_word$ac_exec_ext" + break 2 + fi + fi + done + done + IFS="$ac_save_IFS" + test -z "$ac_cv_path_XGETTEXT" && ac_cv_path_XGETTEXT=":" + ;; +esac +fi +XGETTEXT="$ac_cv_path_XGETTEXT" +if test "$XGETTEXT" != ":"; then + echo "$as_me:$LINENO: result: $XGETTEXT" >&5 +echo "${ECHO_T}$XGETTEXT" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + rm -f messages.po + + +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + +# Find out how to test for executable files. Don't use a zero-byte file, +# as systems may use methods other than mode bits to determine executability. +cat >conf$$.file <<_ASEOF +#! /bin/sh +exit 0 +_ASEOF +chmod +x conf$$.file +if test -x conf$$.file >/dev/null 2>&1; then + ac_executable_p="test -x" +else + ac_executable_p="test -f" +fi +rm -f conf$$.file + +# Extract the first word of "msgmerge", so it can be a program name with args. +set dummy msgmerge; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_path_MSGMERGE+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + case "$MSGMERGE" in + [\\/]* | ?:[\\/]*) + ac_cv_path_MSGMERGE="$MSGMERGE" # Let the user override the test with a path. + ;; + *) + ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$ac_save_IFS" + test -z "$ac_dir" && ac_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then + if $ac_dir/$ac_word --update -q /dev/null /dev/null >/dev/null 2>&1; then + ac_cv_path_MSGMERGE="$ac_dir/$ac_word$ac_exec_ext" + break 2 + fi + fi + done + done + IFS="$ac_save_IFS" + test -z "$ac_cv_path_MSGMERGE" && ac_cv_path_MSGMERGE=":" + ;; +esac +fi +MSGMERGE="$ac_cv_path_MSGMERGE" +if test "$MSGMERGE" != ":"; then + echo "$as_me:$LINENO: result: $MSGMERGE" >&5 +echo "${ECHO_T}$MSGMERGE" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + + if test "$GMSGFMT" != ":"; then + if $GMSGFMT --statistics /dev/null >/dev/null 2>&1 && + (if $GMSGFMT --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then + : ; + else + GMSGFMT=`echo "$GMSGFMT" | sed -e 's,^.*/,,'` + echo "$as_me:$LINENO: result: found $GMSGFMT program is not GNU msgfmt; ignore it" >&5 +echo "${ECHO_T}found $GMSGFMT program is not GNU msgfmt; ignore it" >&6 + GMSGFMT=":" + fi + fi + + if test "$XGETTEXT" != ":"; then + if $XGETTEXT --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >/dev/null 2>&1 && + (if $XGETTEXT --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then + : ; + else + echo "$as_me:$LINENO: result: found xgettext program is not GNU xgettext; ignore it" >&5 +echo "${ECHO_T}found xgettext program is not GNU xgettext; ignore it" >&6 + XGETTEXT=":" + fi + rm -f messages.po + fi + + ac_config_commands="$ac_config_commands default-1" + + + + + + +GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes" + +# Check whether --enable-werror or --disable-werror was given. +if test "${enable_werror+set}" = set; then + enableval="$enable_werror" + case "${enableval}" in + yes | y) ERROR_ON_WARNING="yes" ;; + no | n) ERROR_ON_WARNING="no" ;; + *) { { echo "$as_me:$LINENO: error: bad value ${enableval} for --enable-werror" >&5 +echo "$as_me: error: bad value ${enableval} for --enable-werror" >&2;} + { (exit 1); exit 1; }; } ;; + esac +fi; + +# Enable -Werror by default when using gcc +if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then + ERROR_ON_WARNING=yes +fi + +NO_WERROR= +if test "${ERROR_ON_WARNING}" = yes ; then + GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror" + NO_WERROR="-Wno-error" +fi + +if test "${GCC}" = yes ; then + WARN_CFLAGS="${GCC_WARN_CFLAGS}" +fi + +# Check whether --enable-build-warnings or --disable-build-warnings was given. +if test "${enable_build_warnings+set}" = set; then + enableval="$enable_build_warnings" + case "${enableval}" in + yes) WARN_CFLAGS="${GCC_WARN_CFLAGS}";; + no) if test "${GCC}" = yes ; then + WARN_CFLAGS="-w" + fi;; + ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` + WARN_CFLAGS="${GCC_WARN_CFLAGS} ${t}";; + *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` + WARN_CFLAGS="${t} ${GCC_WARN_CFLAGS}";; + *) WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"`;; +esac +fi; + +if test x"$silent" != x"yes" && test x"$WARN_CFLAGS" != x""; then + echo "Setting warning flags = $WARN_CFLAGS" 6>&1 +fi + + + + + +WARN_CXXFLAGS=`echo ${WARN_CFLAGS} | sed -e 's/-Wstrict-prototypes//' -e 's/-Wmissing-prototypes//'` + + +LFS_CXXFLAGS="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" + + +echo "$as_me:$LINENO: checking whether to enable maintainer-specific portions of Makefiles" >&5 +echo $ECHO_N "checking whether to enable maintainer-specific portions of Makefiles... $ECHO_C" >&6 + # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given. +if test "${enable_maintainer_mode+set}" = set; then + enableval="$enable_maintainer_mode" + USE_MAINTAINER_MODE=$enableval +else + USE_MAINTAINER_MODE=no +fi; + echo "$as_me:$LINENO: result: $USE_MAINTAINER_MODE" >&5 +echo "${ECHO_T}$USE_MAINTAINER_MODE" >&6 + + +if test $USE_MAINTAINER_MODE = yes; then + MAINTAINER_MODE_TRUE= + MAINTAINER_MODE_FALSE='#' +else + MAINTAINER_MODE_TRUE='#' + MAINTAINER_MODE_FALSE= +fi + + MAINT=$MAINTAINER_MODE_TRUE + + + + ac_config_files="$ac_config_files Makefile po/Makefile.in:po/Make-in" +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, don't put newlines in cache variables' values. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +{ + (set) 2>&1 | + case `(ac_space=' '; set | grep ac_space) 2>&1` in + *ac_space=\ *) + # `set' does not quote correctly, so add quotes (double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \). + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n \ + "s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p" + ;; + esac; +} | + sed ' + t clear + : clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + : end' >>confcache +if diff $cache_file confcache >/dev/null 2>&1; then :; else + if test -w $cache_file; then + test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file" + cat confcache >$cache_file + else + echo "not updating unwritable cache $cache_file" + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +# VPATH may cause trouble with some makes, so we remove $(srcdir), +# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=/{ +s/:*\$(srcdir):*/:/; +s/:*\${srcdir}:*/:/; +s/:*@srcdir@:*/:/; +s/^\([^=]*=[ ]*\):*/\1/; +s/:*$//; +s/^[^=]*=[ ]*$//; +}' +fi + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_i=`echo "$ac_i" | + sed 's/\$U\././;s/\.o$//;s/\.obj$//'` + # 2. Add them. + ac_libobjs="$ac_libobjs $ac_i\$U.$ac_objext" + ac_ltlibobjs="$ac_ltlibobjs $ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi +if test -z "${am__fastdepCXX_TRUE}" && test -z "${am__fastdepCXX_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"am__fastdepCXX\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"am__fastdepCXX\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi +if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"MAINTAINER_MODE\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"MAINTAINER_MODE\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi + +: ${CONFIG_STATUS=./config.status} +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5 +echo "$as_me: creating $CONFIG_STATUS" >&6;} +cat >$CONFIG_STATUS <<_ACEOF +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false +SHELL=\${CONFIG_SHELL-$SHELL} +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF +## --------------------- ## +## M4sh Initialization. ## +## --------------------- ## + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. 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do + if test $ac_beg -gt 1; then + sed "1,${ac_beg}d; ${ac_end}q" $tmp/subs.sed >$tmp/subs.frag + else + sed "${ac_end}q" $tmp/subs.sed >$tmp/subs.frag + fi + if test ! -s $tmp/subs.frag; then + ac_more_lines=false + else + # The purpose of the label and of the branching condition is to + # speed up the sed processing (if there are no `@' at all, there + # is no need to browse any of the substitutions). + # These are the two extra sed commands mentioned above. + (echo ':t + /@[a-zA-Z_][a-zA-Z_0-9]*@/!b' && cat $tmp/subs.frag) >$tmp/subs-$ac_sed_frag.sed + if test -z "$ac_sed_cmds"; then + ac_sed_cmds="sed -f $tmp/subs-$ac_sed_frag.sed" + else + ac_sed_cmds="$ac_sed_cmds | sed -f $tmp/subs-$ac_sed_frag.sed" + fi + ac_sed_frag=`expr $ac_sed_frag + 1` + ac_beg=$ac_end + ac_end=`expr $ac_end + $ac_max_sed_lines` + fi + done + if test -z "$ac_sed_cmds"; then + ac_sed_cmds=cat + fi +fi # test -n "$CONFIG_FILES" + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF +for ac_file in : $CONFIG_FILES; do test "x$ac_file" = x: && continue + # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in". + case $ac_file in + - | *:- | *:-:* ) # input from stdin + cat >$tmp/stdin + ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'` + ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;; + *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'` + ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;; + * ) ac_file_in=$ac_file.in ;; + esac + + # Compute @srcdir@, @top_srcdir@, and @INSTALL@ for subdirectories. + ac_dir=`(dirname "$ac_file") 2>/dev/null || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + { if $as_mkdir_p; then + mkdir -p "$ac_dir" + else + as_dir="$ac_dir" + as_dirs= + while test ! -d "$as_dir"; do + as_dirs="$as_dir $as_dirs" + as_dir=`(dirname "$as_dir") 2>/dev/null || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + done + test ! -n "$as_dirs" || mkdir $as_dirs + fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5 +echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;} + { (exit 1); exit 1; }; }; } + + ac_builddir=. + +if test "$ac_dir" != .; then + ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'` + # A "../" for each directory in $ac_dir_suffix. + ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'` +else + ac_dir_suffix= ac_top_builddir= +fi + +case $srcdir in + .) # No --srcdir option. We are building in place. + ac_srcdir=. + if test -z "$ac_top_builddir"; then + ac_top_srcdir=. + else + ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'` + fi ;; + [\\/]* | ?:[\\/]* ) # Absolute path. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir ;; + *) # Relative path. + ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_builddir$srcdir ;; +esac + +# Do not use `cd foo && pwd` to compute absolute paths, because +# the directories may not exist. +case `pwd` in +.) ac_abs_builddir="$ac_dir";; +*) + case "$ac_dir" in + .) ac_abs_builddir=`pwd`;; + [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";; + *) ac_abs_builddir=`pwd`/"$ac_dir";; + esac;; +esac +case $ac_abs_builddir in +.) ac_abs_top_builddir=${ac_top_builddir}.;; +*) + case ${ac_top_builddir}. in + .) ac_abs_top_builddir=$ac_abs_builddir;; + [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;; + *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;; + esac;; +esac +case $ac_abs_builddir in +.) ac_abs_srcdir=$ac_srcdir;; +*) + case $ac_srcdir in + .) ac_abs_srcdir=$ac_abs_builddir;; + [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;; + *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;; + esac;; +esac +case $ac_abs_builddir in +.) ac_abs_top_srcdir=$ac_top_srcdir;; +*) + case $ac_top_srcdir in + .) ac_abs_top_srcdir=$ac_abs_builddir;; + [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;; + *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;; + esac;; +esac + + + case $INSTALL in + [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;; + *) ac_INSTALL=$ac_top_builddir$INSTALL ;; + esac + + if test x"$ac_file" != x-; then + { echo "$as_me:$LINENO: creating $ac_file" >&5 +echo "$as_me: creating $ac_file" >&6;} + rm -f "$ac_file" + fi + # Let's still pretend it is `configure' which instantiates (i.e., don't + # use $as_me), people would be surprised to read: + # /* config.h. Generated by config.status. */ + if test x"$ac_file" = x-; then + configure_input= + else + configure_input="$ac_file. 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The first handles `#define' +# templates, and the second `#undef' templates. +# And first: Protect against being on the right side of a sed subst in +# config.status. Protect against being in an unquoted here document +# in config.status. +rm -f conftest.defines conftest.undefs +# Using a here document instead of a string reduces the quoting nightmare. +# Putting comments in sed scripts is not portable. +# +# `end' is used to avoid that the second main sed command (meant for +# 0-ary CPP macros) applies to n-ary macro definitions. +# See the Autoconf documentation for `clear'. +cat >confdef2sed.sed <<\_ACEOF +s/[\\&,]/\\&/g +s,[\\$`],\\&,g +t clear +: clear +s,^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*\)\(([^)]*)\)[ ]*\(.*\)$,${ac_dA}\1${ac_dB}\1\2${ac_dC}\3${ac_dD},gp +t end +s,^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)$,${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD},gp +: end +_ACEOF +# If some macros were called several times there might be several times +# the same #defines, which is useless. Nevertheless, we may not want to +# sort them, since we want the *last* AC-DEFINE to be honored. +uniq confdefs.h | sed -n -f confdef2sed.sed >conftest.defines +sed 's/ac_d/ac_u/g' conftest.defines >conftest.undefs +rm -f confdef2sed.sed + +# This sed command replaces #undef with comments. This is necessary, for +# example, in the case of _POSIX_SOURCE, which is predefined and required +# on some systems where configure will not decide to define it. +cat >>conftest.undefs <<\_ACEOF +s,^[ ]*#[ ]*undef[ ][ ]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */, +_ACEOF + +# Break up conftest.defines because some shells have a limit on the size +# of here documents, and old seds have small limits too (100 cmds). +echo ' # Handle all the #define templates only if necessary.' >>$CONFIG_STATUS +echo ' if grep "^[ ]*#[ ]*define" $tmp/in >/dev/null; then' >>$CONFIG_STATUS +echo ' # If there are no defines, we may have an empty if/fi' >>$CONFIG_STATUS +echo ' :' >>$CONFIG_STATUS +rm -f conftest.tail +while grep . conftest.defines >/dev/null +do + # Write a limited-size here document to $tmp/defines.sed. + echo ' cat >$tmp/defines.sed <>$CONFIG_STATUS + # Speed up: don't consider the non `#define' lines. + echo '/^[ ]*#[ ]*define/!b' >>$CONFIG_STATUS + # Work around the forget-to-reset-the-flag bug. + echo 't clr' >>$CONFIG_STATUS + echo ': clr' >>$CONFIG_STATUS + sed ${ac_max_here_lines}q conftest.defines >>$CONFIG_STATUS + echo 'CEOF + sed -f $tmp/defines.sed $tmp/in >$tmp/out + rm -f $tmp/in + mv $tmp/out $tmp/in +' >>$CONFIG_STATUS + sed 1,${ac_max_here_lines}d conftest.defines >conftest.tail + rm -f conftest.defines + mv conftest.tail conftest.defines +done +rm -f conftest.defines +echo ' fi # grep' >>$CONFIG_STATUS +echo >>$CONFIG_STATUS + +# Break up conftest.undefs because some shells have a limit on the size +# of here documents, and old seds have small limits too (100 cmds). +echo ' # Handle all the #undef templates' >>$CONFIG_STATUS +rm -f conftest.tail +while grep . conftest.undefs >/dev/null +do + # Write a limited-size here document to $tmp/undefs.sed. + echo ' cat >$tmp/undefs.sed <>$CONFIG_STATUS + # Speed up: don't consider the non `#undef' + echo '/^[ ]*#[ ]*undef/!b' >>$CONFIG_STATUS + # Work around the forget-to-reset-the-flag bug. + echo 't clr' >>$CONFIG_STATUS + echo ': clr' >>$CONFIG_STATUS + sed ${ac_max_here_lines}q conftest.undefs >>$CONFIG_STATUS + echo 'CEOF + sed -f $tmp/undefs.sed $tmp/in >$tmp/out + rm -f $tmp/in + mv $tmp/out $tmp/in +' >>$CONFIG_STATUS + sed 1,${ac_max_here_lines}d conftest.undefs >conftest.tail + rm -f conftest.undefs + mv conftest.tail conftest.undefs +done +rm -f conftest.undefs + +cat >>$CONFIG_STATUS <<\_ACEOF + # Let's still pretend it is `configure' which instantiates (i.e., don't + # use $as_me), people would be surprised to read: + # /* config.h. Generated by config.status. */ + if test x"$ac_file" = x-; then + echo "/* Generated by configure. */" >$tmp/config.h + else + echo "/* $ac_file. Generated by configure. */" >$tmp/config.h + fi + cat $tmp/in >>$tmp/config.h + rm -f $tmp/in + if test x"$ac_file" != x-; then + if diff $ac_file $tmp/config.h >/dev/null 2>&1; then + { echo "$as_me:$LINENO: $ac_file is unchanged" >&5 +echo "$as_me: $ac_file is unchanged" >&6;} + else + ac_dir=`(dirname "$ac_file") 2>/dev/null || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + { if $as_mkdir_p; then + mkdir -p "$ac_dir" + else + as_dir="$ac_dir" + as_dirs= + while test ! -d "$as_dir"; do + as_dirs="$as_dir $as_dirs" + as_dir=`(dirname "$as_dir") 2>/dev/null || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + done + test ! -n "$as_dirs" || mkdir $as_dirs + fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5 +echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;} + { (exit 1); exit 1; }; }; } + + rm -f $ac_file + mv $tmp/config.h $ac_file + fi + else + cat $tmp/config.h + rm -f $tmp/config.h + fi +# Compute $ac_file's index in $config_headers. +_am_stamp_count=1 +for _am_header in $config_headers :; do + case $_am_header in + $ac_file | $ac_file:* ) + break ;; + * ) + _am_stamp_count=`expr $_am_stamp_count + 1` ;; + esac +done +echo "timestamp for $ac_file" >`(dirname $ac_file) 2>/dev/null || +$as_expr X$ac_file : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X$ac_file : 'X\(//\)[^/]' \| \ + X$ac_file : 'X\(//\)$' \| \ + X$ac_file : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X$ac_file | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'`/stamp-h$_am_stamp_count +done +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF + +# +# CONFIG_COMMANDS section. +# +for ac_file in : $CONFIG_COMMANDS; do test "x$ac_file" = x: && continue + ac_dest=`echo "$ac_file" | sed 's,:.*,,'` + ac_source=`echo "$ac_file" | sed 's,[^:]*:,,'` + ac_dir=`(dirname "$ac_dest") 2>/dev/null || +$as_expr X"$ac_dest" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_dest" : 'X\(//\)[^/]' \| \ + X"$ac_dest" : 'X\(//\)$' \| \ + X"$ac_dest" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$ac_dest" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + { if $as_mkdir_p; then + mkdir -p "$ac_dir" + else + as_dir="$ac_dir" + as_dirs= + while test ! -d "$as_dir"; do + as_dirs="$as_dir $as_dirs" + as_dir=`(dirname "$as_dir") 2>/dev/null || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + done + test ! -n "$as_dirs" || mkdir $as_dirs + fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5 +echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;} + { (exit 1); exit 1; }; }; } + + ac_builddir=. + +if test "$ac_dir" != .; then + ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'` + # A "../" for each directory in $ac_dir_suffix. + ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'` +else + ac_dir_suffix= ac_top_builddir= +fi + +case $srcdir in + .) # No --srcdir option. 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We invoke sed twice because it is the + # simplest approach to changing $(DEPDIR) to its actual value in the + # expansion. + for file in `sed -n " + s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \ + sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do + # Make sure the directory exists. + test -f "$dirpart/$file" && continue + fdir=`(dirname "$file") 2>/dev/null || +$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$file" : 'X\(//\)[^/]' \| \ + X"$file" : 'X\(//\)$' \| \ + X"$file" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + { if $as_mkdir_p; then + mkdir -p $dirpart/$fdir + else + as_dir=$dirpart/$fdir + as_dirs= + while test ! -d "$as_dir"; do + as_dirs="$as_dir $as_dirs" + as_dir=`(dirname "$as_dir") 2>/dev/null || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + done + test ! -n "$as_dirs" || mkdir $as_dirs + fi || { { echo "$as_me:$LINENO: error: cannot create directory $dirpart/$fdir" >&5 +echo "$as_me: error: cannot create directory $dirpart/$fdir" >&2;} + { (exit 1); exit 1; }; }; } + + # echo "creating $dirpart/$file" + echo '# dummy' > "$dirpart/$file" + done +done + ;; + default-1 ) + for ac_file in $CONFIG_FILES; do + # Support "outfile[:infile[:infile...]]" + case "$ac_file" in + *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;; + esac + # PO directories have a Makefile.in generated from Makefile.in.in. + case "$ac_file" in */Makefile.in) + # Adjust a relative srcdir. + ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'` + ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`" + ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'` + # In autoconf-2.13 it is called $ac_given_srcdir. + # In autoconf-2.50 it is called $srcdir. + test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir" + case "$ac_given_srcdir" in + .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;; + /*) top_srcdir="$ac_given_srcdir" ;; + *) top_srcdir="$ac_dots$ac_given_srcdir" ;; + esac + if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then + rm -f "$ac_dir/POTFILES" + test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES" + cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ ]*\$/d" -e "s,.*, $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES" + POMAKEFILEDEPS="POTFILES.in" + # ALL_LINGUAS, POFILES, GMOFILES, UPDATEPOFILES, DUMMYPOFILES depend + # on $ac_dir but don't depend on user-specified configuration + # parameters. + if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then + # The LINGUAS file contains the set of available languages. + if test -n "$OBSOLETE_ALL_LINGUAS"; then + test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete" + fi + ALL_LINGUAS_=`sed -e "/^#/d" "$ac_given_srcdir/$ac_dir/LINGUAS"` + # Hide the ALL_LINGUAS assigment from automake. + eval 'ALL_LINGUAS''=$ALL_LINGUAS_' + POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS" + else + # The set of available languages was given in configure.in. + eval 'ALL_LINGUAS''=$OBSOLETE_ALL_LINGUAS' + fi + case "$ac_given_srcdir" in + .) srcdirpre= ;; + *) srcdirpre='$(srcdir)/' ;; + esac + POFILES= + GMOFILES= + UPDATEPOFILES= + DUMMYPOFILES= + for lang in $ALL_LINGUAS; do + POFILES="$POFILES $srcdirpre$lang.po" + GMOFILES="$GMOFILES $srcdirpre$lang.gmo" + UPDATEPOFILES="$UPDATEPOFILES $lang.po-update" + DUMMYPOFILES="$DUMMYPOFILES $lang.nop" + done + # CATALOGS depends on both $ac_dir and the user's LINGUAS + # environment variable. + INST_LINGUAS= + if test -n "$ALL_LINGUAS"; then + for presentlang in $ALL_LINGUAS; do + useit=no + if test "%UNSET%" != "$LINGUAS"; then + desiredlanguages="$LINGUAS" + else + desiredlanguages="$ALL_LINGUAS" + fi + for desiredlang in $desiredlanguages; do + # Use the presentlang catalog if desiredlang is + # a. equal to presentlang, or + # b. a variant of presentlang (because in this case, + # presentlang can be used as a fallback for messages + # which are not translated in the desiredlang catalog). + case "$desiredlang" in + "$presentlang"*) useit=yes;; + esac + done + if test $useit = yes; then + INST_LINGUAS="$INST_LINGUAS $presentlang" + fi + done + fi + CATALOGS= + if test -n "$INST_LINGUAS"; then + for lang in $INST_LINGUAS; do + CATALOGS="$CATALOGS $lang.gmo" + done + fi + test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile" + sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@POMAKEFILEDEPS@|$POMAKEFILEDEPS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile" + for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do + if test -f "$f"; then + case "$f" in + *.orig | *.bak | *~) ;; + *) cat "$f" >> "$ac_dir/Makefile" ;; + esac + fi + done + fi + ;; + esac + done ;; + esac +done +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF + +{ (exit 0); exit 0; } +_ACEOF +chmod +x $CONFIG_STATUS +ac_clean_files=$ac_clean_files_save + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || { (exit 1); exit 1; } +fi + diff --git a/gold/configure.ac b/gold/configure.ac new file mode 100644 index 00000000000..9e2aba0bfbe --- /dev/null +++ b/gold/configure.ac @@ -0,0 +1,33 @@ +dnl Process this file with autoconf to produce a configure script. + +AC_PREREQ(2.59) +AC_INIT +AC_CONFIG_SRCDIR([gold.cc]) + +AC_CANONICAL_TARGET + +AM_INIT_AUTOMAKE(gold, 0.1) + +AM_CONFIG_HEADER(config.h:config.in) + +AC_PROG_CC +AC_PROG_CXX +AC_PROG_INSTALL +ZW_GNU_GETTEXT_SISTER_DIR +AM_PO_SUBDIRS + +AC_EXEEXT + +AM_BINUTILS_WARNINGS + +WARN_CXXFLAGS=`echo ${WARN_CFLAGS} | sed -e 's/-Wstrict-prototypes//' -e 's/-Wmissing-prototypes//'` +AC_SUBST(WARN_CXXFLAGS) + +dnl Force support for large files by default. This may need to be +dnl host dependent. If build == host, we can check getconf LFS_CFLAGS. +LFS_CXXFLAGS="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" +AC_SUBST(LFS_CXXFLAGS) + +AM_MAINTAINER_MODE + +AC_OUTPUT(Makefile po/Makefile.in:po/Make-in) diff --git a/gold/dirsearch.cc b/gold/dirsearch.cc new file mode 100644 index 00000000000..41a2660a88f --- /dev/null +++ b/gold/dirsearch.cc @@ -0,0 +1,236 @@ +// dirsearch.cc -- directory searching for gold + +#include "gold.h" + +#include +#include +#include + +#include "gold-threads.h" +#include "dirsearch.h" + +namespace +{ + +// Read all the files in a directory. + +class Dir_cache +{ + public: + Dir_cache(const char* dirname) + : dirname_(dirname), files_() + { } + + // Read the files in the directory. + void read_files(); + + // Return whether a file (a base name) is present in the directory. + bool find(const std::string&) const; + + private: + // We can not copy this class. + Dir_cache(const Dir_cache&); + Dir_cache& operator=(const Dir_cache&); + + const char* dirname_; + Unordered_set files_; +}; + +void +Dir_cache::read_files() +{ + DIR* d = opendir(this->dirname_); + if (d == NULL) + { + // We ignore directories which do not exist. + if (errno == ENOENT) + return; + + char *s = NULL; + if (asprintf(&s, _("can not read directory %s"), this->dirname_) < 0) + gold::gold_nomem(); + gold::gold_fatal(s, true); + } + + dirent* de; + while ((de = readdir(d)) != NULL) + this->files_.insert(std::string(de->d_name)); + + if (closedir(d) != 0) + gold::gold_fatal("closedir failed", true); +} + +bool +Dir_cache::find(const std::string& basename) const +{ + return this->files_.find(basename) != this->files_.end(); +} + +// A mapping from directory names to caches. A lock permits +// concurrent update. There is no lock for read operations--some +// other mechanism must be used to prevent reads from conflicting with +// writes. + +class Dir_caches +{ + public: + Dir_caches() + : lock_(), caches_() + { } + + ~Dir_caches(); + + // Add a cache for a directory. + void add(const char*); + + // Look up a directory in the cache. This much be locked against + // calls to Add. + Dir_cache* lookup(const char*) const; + + private: + // We can not copy this class. + Dir_caches(const Dir_caches&); + Dir_caches& operator=(const Dir_caches&); + + typedef Unordered_map Cache_hash; + + gold::Lock lock_; + Cache_hash caches_; +}; + +Dir_caches::~Dir_caches() +{ + for (Cache_hash::iterator p = this->caches_.begin(); + p != this->caches_.end(); + ++p) + delete p->second; +} + +void +Dir_caches::add(const char* dirname) +{ + { + gold::Hold_lock hl(this->lock_); + if (this->lookup(dirname) != NULL) + return; + } + + Dir_cache* cache = new Dir_cache(dirname); + + cache->read_files(); + + { + gold::Hold_lock hl(this->lock_); + + std::pair v(dirname, cache); + std::pair p = this->caches_.insert(v); + assert(p.second); + } +} + +Dir_cache* +Dir_caches::lookup(const char* dirname) const +{ + Cache_hash::const_iterator p = this->caches_.find(dirname); + if (p == this->caches_.end()) + return NULL; + return p->second; +} + +// The caches. + +Dir_caches caches; + +// A Task to read the directory. + +class Dir_cache_task : public gold::Task +{ + public: + Dir_cache_task(const char* dir, gold::Task_token& token) + : dir_(dir), token_(token) + { } + + Is_runnable_type is_runnable(gold::Workqueue*); + + gold::Task_locker* locks(gold::Workqueue*); + + void run(gold::Workqueue*); + + private: + const char* dir_; + gold::Task_token& token_; +}; + +// We can always run the task to read the directory. + +gold::Task::Is_runnable_type +Dir_cache_task::is_runnable(gold::Workqueue*) +{ + return IS_RUNNABLE; +} + +// Return the locks to hold. We use a blocker lock to prevent file +// lookups from starting until the directory contents have been read. + +gold::Task_locker* +Dir_cache_task::locks(gold::Workqueue* workqueue) +{ + return new gold::Task_locker_block(this->token_, workqueue); +} + +// Run the task--read the directory contents. + +void +Dir_cache_task::run(gold::Workqueue*) +{ + caches.add(this->dir_); +} + +} + +namespace gold +{ + +Dirsearch::Dirsearch() + : directories_(), token_() +{ +} + +void +Dirsearch::add(Workqueue* workqueue, const char* d) +{ + this->directories_.push_back(d); + this->token_.add_blocker(); + workqueue->queue(new Dir_cache_task(d, this->token_)); +} + +void +Dirsearch::add(Workqueue* workqueue, const General_options::Dir_list& list) +{ + for (General_options::Dir_list::const_iterator p = list.begin(); + p != list.end(); + ++p) + this->add(workqueue, *p); +} + +std::string +Dirsearch::find(const std::string& n1, const std::string& n2) const +{ + assert(!this->token_.is_blocked()); + + for (std::list::const_iterator p = this->directories_.begin(); + p != this->directories_.end(); + ++p) + { + Dir_cache* pdc = caches.lookup(*p); + assert(pdc != NULL); + if (pdc->find(n1)) + return std::string(*p) + '/' + n1; + if (!n2.empty() && pdc->find(n2)) + return std::string(*p) + '/' + n2; + } + + return std::string(); +} + +} // End namespace gold. diff --git a/gold/dirsearch.h b/gold/dirsearch.h new file mode 100644 index 00000000000..3beb1436c5a --- /dev/null +++ b/gold/dirsearch.h @@ -0,0 +1,56 @@ +// dirsearch.h -- directory searching for gold -*- C++ -*- + +#ifndef GOLD_DIRSEARCH_H +#define GOLD_DIRSEARCH_H + +#include +#include + +#include "options.h" +#include "workqueue.h" + +namespace gold +{ + +// A simple interface to manage directories to be searched for +// libraries. + +class Dirsearch +{ + public: + Dirsearch(); + + // Add a directory to the search path. + void + add(Workqueue*, const char*); + + // Add a list of directories to the search path. + void + add(Workqueue*, const General_options::Dir_list&); + + // Search for a file, giving one or two names to search for (the + // second one may be empty). Return a full path name for the file, + // or the empty string if it could not be found. This may only be + // called if the token is not blocked. + std::string + find(const std::string&, const std::string& n2 = std::string()) const; + + // Return a reference to the blocker token which controls access. + const Task_token& + token() const + { return this->token_; } + + private: + // We can not copy this class. + Dirsearch(const Dirsearch&); + Dirsearch& operator=(const Dirsearch&); + + // Directories to search. + std::list directories_; + // Blocker token to control access from tasks. + Task_token token_; +}; + +} // End namespace gold. + +#endif // !defined(GOLD_DIRSEARCH_H) diff --git a/gold/fileread.cc b/gold/fileread.cc new file mode 100644 index 00000000000..a92da9d974f --- /dev/null +++ b/gold/fileread.cc @@ -0,0 +1,281 @@ +// fileread.cc -- read files for gold + +#include "gold.h" + +#include +#include +#include +#include +#include + +#include "options.h" +#include "dirsearch.h" +#include "fileread.h" + +namespace gold +{ + +// Class File_read::View. + +File_read::View::~View() +{ + assert(!this->is_locked()); + delete[] this->data_; +} + +void +File_read::View::lock() +{ + ++this->lock_count_; +} + +void +File_read::View::unlock() +{ + assert(this->lock_count_ > 0); + --this->lock_count_; +} + +bool +File_read::View::is_locked() +{ + return this->lock_count_ > 0; +} + +// Class File_read. + +// The File_read class is designed to support file descriptor caching, +// but this is not currently implemented. + +File_read::~File_read() +{ + assert(this->lock_count_ == 0); + if (this->descriptor_ >= 0) + { + if (close(this->descriptor_) < 0) + fprintf(stderr, _("%s: warning: close(%s) failed: %s"), + program_name, this->name_.c_str(), strerror(errno)); + this->descriptor_ = -1; + } + this->name_.clear(); + this->clear_views(true); +} + +bool +File_read::open(const std::string& name) +{ + assert(this->lock_count_ == 0 + && this->descriptor_ < 0 + && this->name_.empty()); + this->name_ = name; + this->descriptor_ = ::open(this->name_.c_str(), O_RDONLY); + ++this->lock_count_; + return this->descriptor_ >= 0; +} + +int +File_read::get_descriptor() +{ + assert(this->lock_count_ > 0); + return this->descriptor_; +} + +void +File_read::lock() +{ + ++this->lock_count_; +} + +void +File_read::unlock() +{ + assert(this->lock_count_ > 0); + --this->lock_count_; +} + +bool +File_read::is_locked() +{ + return this->lock_count_ > 0; +} + +// See if we have a view which covers the file starting at START for +// SIZE bytes. Return a pointer to the View if found, NULL if not. + +File_read::View* +File_read::find_view(off_t start, off_t size) +{ + for (std::list::iterator p = this->view_list_.begin(); + p != this->view_list_.end(); + ++p) + { + if ((*p)->start() <= start + && (*p)->start() + (*p)->size() >= start + size) + return *p; + } + return NULL; +} + +// Read data from the file. Return the number of bytes read. If +// PBYTES is not NULL, store the number of bytes in *PBYTES, otherwise +// require that we read exactly the number of bytes requested. + +off_t +File_read::do_read(off_t start, off_t size, void* p, off_t* pbytes) +{ + assert(this->lock_count_ > 0); + int o = this->descriptor_; + + if (lseek(o, start, SEEK_SET) < 0) + { + fprintf(stderr, _("%s: %s: lseek to %lld failed: %s"), + program_name, this->filename().c_str(), + static_cast(start), + strerror(errno)); + gold_exit(false); + } + + off_t bytes = ::read(o, p, size); + if (bytes < 0) + { + fprintf(stderr, _("%s: %s: read failed: %s\n"), + program_name, this->filename().c_str(), strerror(errno)); + gold_exit(false); + } + + if (pbytes != NULL) + *pbytes = bytes; + else if (bytes != size) + { + fprintf(stderr, + _("%s: %s: file too short: read only %lld of %lld " + "bytes at %lld\n"), + program_name, this->filename().c_str(), + static_cast(bytes), + static_cast(size), + static_cast(start)); + gold_exit(false); + } + + return bytes; +} + +void +File_read::read(off_t start, off_t size, void* p, off_t* pbytes) +{ + assert(this->lock_count_ > 0); + + File_read::View* pv = this->find_view(start, size); + if (pv != NULL) + { + memcpy(p, pv->data() + (start - pv->start()), size); + if (pbytes != NULL) + *pbytes = size; + return; + } + + this->do_read(start, size, p, pbytes); +} + +// Find an existing view or make a new one. + +File_read::View* +File_read::find_or_make_view(off_t start, off_t size, off_t* pbytes) +{ + assert(this->lock_count_ > 0); + + File_read::View* pv = this->find_view(start, size); + if (pv != NULL) + return pv; + + unsigned char* p = new unsigned char[size]; + off_t bytes = this->do_read(start, size, p, pbytes); + pv = new File_read::View(start, bytes, p); + this->view_list_.push_back(pv); + return pv; +} + +// This implementation of get_view just reads into a memory buffer, +// which we store on view_list_. At some point we should support +// mmap. + +const unsigned char* +File_read::get_view(off_t start, off_t size, off_t* pbytes) +{ + assert(this->lock_count_ > 0); + File_read::View* pv = this->find_or_make_view(start, size, pbytes); + return pv->data() + (start - pv->start()); +} + +File_view* +File_read::get_lasting_view(off_t start, off_t size, off_t* pbytes) +{ + assert(this->lock_count_ > 0); + File_read::View* pv = this->find_or_make_view(start, size, pbytes); + pv->lock(); + return new File_view(*this, pv, pv->data() + (start - pv->start())); +} + +// Remove all the file views. + +void +File_read::clear_views(bool destroying) +{ + std::list::iterator p = this->view_list_.begin(); + while (p != this->view_list_.end()) + { + if ((*p)->is_locked()) + { + assert(!destroying); + ++p; + } + else + { + delete *p; + p = this->view_list_.erase(p); + } + } +} + +// Class File_view. + +File_view::~File_view() +{ + assert(this->file_.is_locked()); + this->view_->unlock(); +} + +// Class Input_file. + +void +Input_file::open(const General_options& options, const Dirsearch& dirpath) +{ + std::string name; + if (!this->input_argument_.is_lib()) + name = this->input_argument_.name(); + else + { + std::string n1("lib"); + n1 += this->input_argument_.lib_basename(); + std::string n2; + if (options.is_static()) + n2 = n1 + ".so"; + n1 += ".a"; + name = dirpath.find(n1, n2); + if (name.empty()) + { + fprintf(stderr, _("%s: cannot find %s"), program_name, + this->input_argument_.name()); + gold_exit(false); + } + } + + if (!this->file_.open(name)) + { + fprintf(stderr, _("%s: cannot open %s: %s"), program_name, name.c_str(), + strerror(errno)); + gold_exit(false); + } +} + +} // End namespace gold. diff --git a/gold/fileread.h b/gold/fileread.h new file mode 100644 index 00000000000..2181485a50e --- /dev/null +++ b/gold/fileread.h @@ -0,0 +1,226 @@ +// fileread.h -- read files for gold -*- C++ -*- + +// Classes used to read data from binary input files. + +#ifndef GOLD_FILEREAD_H +#define GOLD_FILEREAD_H + +#include +#include + +#include "options.h" + +namespace gold +{ + +class Dirsearch; + +class File_view; + +// File_read manages a file descriptor for a file we are reading. We +// close file descriptors if we run out of them, so this class reopens +// the file as needed. + +class File_read +{ + public: + File_read() + : name_(), descriptor_(-1), lock_count_(0) + { } + ~File_read(); + + // Open a file. + bool + open(const std::string& name); + + // Return the file name. + const std::string& + filename() const + { return this->name_; } + + // Return the file descriptor. + int + get_descriptor(); + + // Lock the file for access within a particular Task::run execution. + // This means that the descriptor can not be closed. This routine + // may only be called from the main thread. + void + lock(); + + // Unlock the descriptor, permitting it to be closed if necessary. + void + unlock(); + + // Test whether the object is locked. + bool + is_locked(); + + // Return a view into the file. The pointer will remain valid until + // the File_read is unlocked. If PBYTES is NULL, it is an error if + // we can not read enough data. Otherwise *PBYTES is set to the + // number of bytes read. + const unsigned char* + get_view(off_t start, off_t size, off_t *pbytes = NULL); + + // Read data from the file into the buffer P. PBYTES is as in + // get_view. + void + read(off_t start, off_t size, void* p, off_t *pbytes = NULL); + + // Return a lasting view into the file. This is allocated with new, + // and the caller is responsible for deleting it when done. The + // data associated with this view will remain valid until the view + // is deleted. PBYTES is handled as with get_view. + File_view* + get_lasting_view(off_t start, off_t size, off_t *pbytes = NULL); + + private: + // This class may not be copied. + File_read(const File_read&); + File_read& operator=(const File_read&); + + // A view into the file when not using mmap. + class View + { + public: + View(off_t start, off_t size, unsigned char* data) + : start_(start), size_(size), data_(data), lock_count_(0) + { } + + ~View(); + + off_t + start() const + { return this->start_; } + + off_t + size() const + { return this->size_; } + + unsigned char* + data() const + { return this->data_; } + + void + lock(); + + void + unlock(); + + bool + is_locked(); + + private: + View(const View&); + View& operator=(const View&); + + off_t start_; + off_t size_; + unsigned char* data_; + int lock_count_; + }; + + friend class File_view; + + View* + find_view(off_t start, off_t size); + + off_t + do_read(off_t start, off_t size, void* p, off_t* pbytes); + + View* + find_or_make_view(off_t start, off_t size, off_t* pbytes); + + void + clear_views(bool); + + std::string name_; + int descriptor_; + int lock_count_; + std::list view_list_; +}; + +// A view of file data that persists even when the file is unlocked. +// Callers should destroy these when no longer required. These are +// obtained form File_read::get_lasting_view. They may only be +// destroyed when the underlying File_read is locked. + +class File_view +{ + public: + // This may only be called when the underlying File_read is locked. + ~File_view(); + + // Return a pointer to the data associated with this view. + const unsigned char* + data() const + { return this->data_; } + + private: + File_view(const File_view&); + File_view& operator=(const File_view&); + + friend class File_read; + + // Callers have to get these via File_read::get_lasting_view. + File_view(File_read& file, File_read::View* view, const unsigned char* data) + : file_(file), view_(view), data_(data) + { } + + File_read& file_; + File_read::View* view_; + const unsigned char* data_; +}; + +// An object which locks a file using RAII. + +class File_read_lock +{ + public: + File_read_lock(File_read& file) + : file_(file) + { this->file_.lock(); } + + ~File_read_lock() + { this->file_.unlock(); } + + private: + File_read& file_; +}; + +// All the information we hold for a single input file. This can be +// an object file, a shared library, or an archive. + +class Input_file +{ + public: + Input_file(const Input_argument& input_argument) + : input_argument_(input_argument) + { } + + void + open(const General_options&, const Dirsearch&); + + // Return the name given by the user. + const char* + name() const + { return this->input_argument_.name(); } + + // Return the file name. + const std::string& + filename() const + { return this->file_.filename(); } + + File_read& + file() + { return this->file_; } + + private: + const Input_argument& input_argument_; + File_read file_; +}; + +} // end namespace gold + +#endif // !defined(GOLD_FILEREAD_H) diff --git a/gold/gold-threads.cc b/gold/gold-threads.cc new file mode 100644 index 00000000000..c6e1170488f --- /dev/null +++ b/gold/gold-threads.cc @@ -0,0 +1,230 @@ +// gold-threads.cc -- thread support for gold + +#include + +#include "gold.h" + +#ifdef ENABLE_THREADS +#include +#endif + +#include "gold-threads.h" + +namespace gold +{ + +// Class Lock_impl. + +class Lock_impl +{ + public: + Lock_impl(); + ~Lock_impl(); + + void acquire(); + + void release(); + +private: + // This class can not be copied. + Lock_impl(const Lock_impl&); + Lock_impl& operator=(const Lock_impl&); + + friend class Condvar_impl; + +#ifdef ENABLE_THREADS + pthread_mutex_t mutex_; +#else + bool acquired_; +#endif +}; + +#ifdef ENABLE_THREADS + +Lock_impl::Lock_impl() +{ + pthread_mutexattr_t attr; + if (pthread_mutexattr_init(&attr) != 0) + gold_fatal(_("pthead_mutextattr_init failed"), true); +#ifdef PTHREAD_MUTEXT_ADAPTIVE_NP + if (pthread_mutextattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP) != 0) + gold_fatal(_("pthread_mutextattr_settype failed"), true); +#endif + + if (pthread_mutex_init (&this->mutex_, &attr) != 0) + gold_fatal(_("pthread_mutex_init failed"), true); + + if (pthread_mutexattr_destroy(&attr) != 0) + gold_fatal(_("pthread_mutexattr_destroy failed"), true); +} + +Lock_impl::~Lock_impl() +{ + if (pthread_mutex_destroy(&this->mutex_) != 0) + gold_fatal(_("pthread_mutex_destroy failed"), true); +} + +void +Lock_impl::acquire() +{ + if (pthread_mutex_lock(&this->mutex_) != 0) + gold_fatal(_("pthread_mutex_lock failed"), true); +} + +void +Lock_impl::release() +{ + if (pthread_mutex_unlock(&this->mutex_) != 0) + gold_fatal(_("pthread_mutex_unlock failed"), true); +} + +#else // !defined(ENABLE_THREADS) + +Lock_impl::Lock_impl() + : acquired_(false) +{ +} + +Lock_impl::~Lock_impl() +{ + assert(!this->acquired_); +} + +void +Lock_impl::acquire() +{ + assert(!this->acquired_); + this->acquired_ = true; +} + +void +Lock_impl::release() +{ + assert(this->acquired_); + this->acquired_ = false; +} + +#endif // !defined(ENABLE_THREADS) + +// Methods for Lock class. + +Lock::Lock() +{ + this->lock_ = new Lock_impl; +} + +Lock::~Lock() +{ + delete this->lock_; +} + +void +Lock::acquire() +{ + this->lock_->acquire(); +} + +void +Lock::release() +{ + this->lock_->release(); +} + +// Class Condvar_impl. + +class Condvar_impl +{ + public: + Condvar_impl(); + ~Condvar_impl(); + + void wait(Lock_impl*); + void signal(); + + private: + // This class can not be copied. + Condvar_impl(const Condvar_impl&); + Condvar_impl& operator=(const Condvar_impl&); + +#ifdef ENABLE_THREADS + pthread_cond_t cond_; +#endif +}; + +#ifdef ENABLE_THREADS + +Condvar_impl::Condvar_impl() +{ + if (pthread_cond_init(&this->cond_, NULL) != 0) + gold_fatal(_("pthread_cond_init failed"), true); +} + +Condvar_impl::~Condvar_impl() +{ + if (pthread_cond_destroy(&this->cond_) != 0) + gold_fatal(_("pthread_cond_destroy failed"), true); +} + +void +Condvar_impl::wait(Lock_impl* li) +{ + if (pthread_cond_wait(&this->cond_, &li->mutex_) != 0) + gold_fatal(_("pthread_cond_wait failed"), true); +} + +void +Condvar_impl::signal() +{ + if (pthread_cond_signal(&this->cond_) != 0) + gold_fatal(_("pthread_cond_signal failed"), true); +} + +#else // !defined(ENABLE_THREADS) + +Condvar_impl::Condvar_impl() +{ +} + +Condvar_impl::~Condvar_impl() +{ +} + +void +Condvar_impl::wait(Lock_impl* li) +{ + assert(li->acquired_); +} + +void +Condvar_impl::signal() +{ +} + +#endif // !defined(ENABLE_THREADS) + +// Methods for Condvar class. + +Condvar::Condvar(Lock& lock) + : lock_(lock) +{ + this->condvar_ = new Condvar_impl; +} + +Condvar::~Condvar() +{ + delete this->condvar_; +} + +void +Condvar::wait() +{ + this->condvar_->wait(this->lock_.get_impl()); +} + +void +Condvar::signal() +{ + this->condvar_->signal(); +} + +} // End namespace gold. diff --git a/gold/gold-threads.h b/gold/gold-threads.h new file mode 100644 index 00000000000..e2a8388ac13 --- /dev/null +++ b/gold/gold-threads.h @@ -0,0 +1,101 @@ +// gold-threads.h -- thread support for gold -*- C++ -*- + +// gold can be configured to support threads. If threads are +// supported, the user can specify at runtime whether or not to +// support them. This provides an interface to manage locking +// accordingly. + +// Lock +// A simple lock class. + +#ifndef GOLD_THREADS_H +#define GOLD_THREADS_H + +namespace gold +{ + +class Lock_impl; +class Condvar; + +// A simple lock class. + +class Lock +{ + public: + Lock(); + ~Lock(); + + // Acquire the lock. + void + acquire(); + + // Release the lock. + void + release(); + + private: + // This class can not be copied. + Lock(const Lock&); + Lock& operator=(const Lock&); + + friend class Condvar; + Lock_impl* + get_impl() const + { return this->lock_; } + + Lock_impl* lock_; +}; + +// RAII for Lock. + +class Hold_lock +{ + public: + Hold_lock(Lock& lock) + : lock_(lock) + { this->lock_.acquire(); } + + ~Hold_lock() + { this->lock_.release(); } + + private: + // This class can not be copied. + Hold_lock(const Hold_lock&); + Hold_lock& operator=(const Hold_lock&); + + Lock& lock_; +}; + +class Condvar_impl; + +// A simple condition variable class. It is always associated with a +// specific lock. + +class Condvar +{ + public: + Condvar(Lock& lock); + ~Condvar(); + + // Wait for the condition variable to be signalled. This should + // only be called when the lock is held. + void + wait(); + + // Signal the condition variable. This should only be called when + // the lock is held. + void + signal(); + + private: + // This class can not be copied. + Condvar(const Condvar&); + Condvar& operator=(const Condvar&); + + Lock& lock_; + Condvar_impl* condvar_; +}; + +} // End namespace gold. + +#endif // !defined(GOLD_THREADS_H) diff --git a/gold/gold.cc b/gold/gold.cc new file mode 100644 index 00000000000..fd349ddbdce --- /dev/null +++ b/gold/gold.cc @@ -0,0 +1,129 @@ +// ld.c -- linker main function + +#include "gold.h" + +#include +#include +#include +#include + +#include "options.h" +#include "workqueue.h" +#include "dirsearch.h" +#include "readsyms.h" + +namespace gold +{ + +const char* program_name; + +void +gold_exit(bool status) +{ + exit(status ? EXIT_SUCCESS : EXIT_FAILURE); +} + +void +gold_fatal(const char* msg, bool perrno) +{ + fprintf(stderr, "%s: ", program_name); + if (perrno) + perror(msg); + else + fprintf(stderr, "%s\n", msg); + gold_exit(false); +} + +void +gold_nomem() +{ + // We are out of memory, so try hard to print a reasonable message. + // Note that we don't try to translate this message, since the + // translation process itself will require memory. + write(2, program_name, strlen(program_name)); + const char* const s = ": out of memory\n"; + write(2, s, strlen(s)); + gold_exit(false); +} + +void +gold_unreachable() +{ + abort(); +} + +} // End namespace gold. + +namespace +{ + +using namespace gold; + +// Queue up the initial set of tasks for this link job. + +void +queue_initial_tasks(const General_options& options, + const Dirsearch& search_path, + const Command_line::Input_argument_list& inputs, + Workqueue* workqueue) +{ + if (inputs.empty()) + gold_fatal(_("no input files"), false); + + // Read the input files. We have to add the symbols to the symbol + // table in order. We do this by creating a separate blocker for + // each input file. We associate the blocker with the following + // input file, to give us a convenient place to delete it. + Task_token* this_blocker = NULL; + for (Command_line::Input_argument_list::const_iterator p = inputs.begin(); + p != inputs.end(); + ++p) + { + Task_token* next_blocker = new Task_token(); + next_blocker->add_blocker(); + workqueue->queue(new Read_symbols(options, search_path, *p, this_blocker, + next_blocker)); + this_blocker = next_blocker; + } + + // workqueue->queue(new Layout(options, inputs, this_blocker)); +} + +} // end anonymous namespace. + +int +main(int argc, char** argv) +{ +#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) + setlocale (LC_MESSAGES, ""); +#endif +#if defined (HAVE_SETLOCALE) + setlocale (LC_CTYPE, ""); +#endif + bindtextdomain (PACKAGE, LOCALEDIR); + textdomain (PACKAGE); + + gold::program_name = argv[0]; + + // Handle the command line options. + gold::Command_line command_line; + command_line.process(argc - 1, argv + 1); + + // The work queue. + gold::Workqueue workqueue(command_line.options()); + + // The symbol table. + + // Get the search path from the -L options. + Dirsearch search_path; + search_path.add(&workqueue, command_line.options().search_path()); + + // Queue up the first set of tasks. + queue_initial_tasks(command_line.options(), search_path, + command_line.inputs(), &workqueue); + + // Run the main task processing loop. + workqueue.process(); + + gold::gold_exit(true); +} diff --git a/gold/gold.h b/gold/gold.h new file mode 100644 index 00000000000..757449f6e88 --- /dev/null +++ b/gold/gold.h @@ -0,0 +1,65 @@ +// gold.h -- general definitions for gold -*- C++ -*- + +#ifndef GOLD_GOLD_H + +#include "config.h" +#include "ansidecl.h" + +#ifdef ENABLE_NLS +# include +# define _(String) gettext (String) +# ifdef gettext_noop +# define N_(String) gettext_noop (String) +# else +# define N_(String) (String) +# endif +#else +# define gettext(Msgid) (Msgid) +# define dgettext(Domainname, Msgid) (Msgid) +# define dcgettext(Domainname, Msgid, Category) (Msgid) +# define textdomain(Domainname) while (0) /* nothing */ +# define bindtextdomain(Domainname, Dirname) while (0) /* nothing */ +# define _(String) (String) +# define N_(String) (String) +#endif + +// Figure out how to get a hash set and a hash map. The fallback is +// to just use set and map. + +#include +#include + +// We need a template typedef here. + +#define Unordered_set std::tr1::unordered_set +#define Unordered_map std::tr1::unordered_map + +namespace gold +{ + +// The name of the program as used in error messages. +extern const char* program_name; + +// This function is called to exit the program. Status is true to +// exit success (0) and false to exit failure (1). +extern void +gold_exit(bool status) ATTRIBUTE_NORETURN; + +// This function is called to emit an unexpected error message and a +// newline, and then exit with failure. If PERRNO is true, it reports +// the error in errno. +extern void +gold_fatal(const char* msg, bool perrno) ATTRIBUTE_NORETURN; + +// This is function is called in some cases if we run out of memory. +extern void +gold_nomem() ATTRIBUTE_NORETURN; + +// This function is called in cases which can not arise if the code is +// written correctly. +extern void +gold_unreachable() ATTRIBUTE_NORETURN; + +} // End namespace gold. + +#endif // !defined(GOLD_GOLD_H) diff --git a/gold/object.cc b/gold/object.cc new file mode 100644 index 00000000000..8835915fdc6 --- /dev/null +++ b/gold/object.cc @@ -0,0 +1,381 @@ +// object.cc -- support for an object file for linking in gold + +#include "gold.h" + +#include +#include +#include + +#include "object.h" + +namespace gold +{ + +// Class Object. + +const unsigned char* +Object::get_view(off_t start, off_t size) +{ + return this->input_file_->file().get_view(start + this->offset_, size); +} + +void +Object::read(off_t start, off_t size, void* p) +{ + this->input_file_->file().read(start + this->offset_, size, p); +} + +File_view* +Object::get_lasting_view(off_t start, off_t size) +{ + return this->input_file_->file().get_lasting_view(start + this->offset_, + size); +} + +// Class Sized_object. + +template +Sized_object::Sized_object( + const std::string& name, + Input_file* input_file, + off_t offset, + const elfcpp::Ehdr& ehdr) + : Object(name, input_file, offset), + osabi_(ehdr.get_e_ident()[elfcpp::EI_OSABI]), + abiversion_(ehdr.get_e_ident()[elfcpp::EI_ABIVERSION]), + machine_(ehdr.get_e_machine()), + flags_(ehdr.get_e_flags()), + target_(NULL), + shoff_(ehdr.get_e_shoff()), + shnum_(0), + shstrndx_(0), + symtab_shnum_(0) +{ + if (ehdr.get_e_ehsize() != elfcpp::Elf_sizes::ehdr_size) + { + fprintf(stderr, _("%s: %s: bad e_ehsize field (%d != %d)\n"), + program_name, this->name().c_str(), ehdr.get_e_ehsize(), + elfcpp::Elf_sizes::ehdr_size); + gold_exit(false); + } + if (ehdr.get_e_shentsize() != elfcpp::Elf_sizes::shdr_size) + { + fprintf(stderr, _("%s: %s: bad e_shentsize field (%d != %d)\n"), + program_name, this->name().c_str(), ehdr.get_e_shentsize(), + elfcpp::Elf_sizes::shdr_size); + gold_exit(false); + } +} + +template +Sized_object::~Sized_object() +{ +} + +// Set up an object file bsaed on the file header. This sets up the +// target and reads the section information. + +template +void +Sized_object::setup( + const elfcpp::Ehdr& ehdr) +{ + // this->target_ = select_target(this->machine_, size, big_endian, + // this->osabi_, this->abiversion_); + unsigned int shnum = ehdr.get_e_shnum(); + unsigned int shstrndx = ehdr.get_e_shstrndx(); + if ((shnum == 0 || shstrndx == elfcpp::SHN_XINDEX) + && this->shoff_ != 0) + { + const unsigned char* p = this->get_view + (this->shoff_, elfcpp::Elf_sizes::shdr_size); + elfcpp::Shdr shdr(p); + if (shnum == 0) + shnum = shdr.get_sh_size(); + if (shstrndx == elfcpp::SHN_XINDEX) + shstrndx = shdr.get_sh_link(); + } + this->shnum_ = shnum; + this->shstrndx_ = shstrndx; + + if (shnum == 0) + return; + + // Find the SHT_SYMTAB section. + const unsigned char* p = this->get_view + (this->shoff_, shnum * elfcpp::Elf_sizes::shdr_size); + // Skip the first section, which is always empty. + p += elfcpp::Elf_sizes::shdr_size; + for (unsigned int i = 1; i < shnum; ++i) + { + elfcpp::Shdr shdr(p); + if (shdr.get_sh_type() == elfcpp::SHT_SYMTAB) + { + this->symtab_shnum_ = i; + break; + } + p += elfcpp::Elf_sizes::shdr_size; + } +} + +// Read the symbols and relocations from an object file. + +template +Read_symbols_data +Sized_object::do_read_symbols() +{ + if (this->symtab_shnum_ == 0) + { + // No symbol table. Weird but legal. + Read_symbols_data ret; + ret.symbols = NULL; + ret.symbols_size = 0; + ret.symbol_names = NULL; + ret.symbol_names_size = 0; + return ret; + } + + int shdr_size = elfcpp::Elf_sizes::shdr_size; + + // Read the symbol table section header. + off_t symtabshdroff = this->shoff_ + (this->symtab_shnum_ * shdr_size); + const unsigned char* psymtabshdr = this->get_view(symtabshdroff, shdr_size); + elfcpp::Shdr symtabshdr(psymtabshdr); + assert(symtabshdr.get_sh_type() == elfcpp::SHT_SYMTAB); + + // Read the symbol table. + File_view* fvsymtab = this->get_lasting_view(symtabshdr.get_sh_offset(), + symtabshdr.get_sh_size()); + + // Read the section header for the symbol names. + unsigned int strtab_shnum = symtabshdr.get_sh_link(); + if (strtab_shnum == 0 || strtab_shnum >= this->shnum_) + { + fprintf(stderr, _("%s: %s: invalid symbol table name index: %u\n"), + program_name, this->name().c_str(), strtab_shnum); + gold_exit(false); + } + off_t strtabshdroff = this->shoff_ + (strtab_shnum * shdr_size); + const unsigned char *pstrtabshdr = this->get_view(strtabshdroff, shdr_size); + elfcpp::Shdr strtabshdr(pstrtabshdr); + if (strtabshdr.get_sh_type() != elfcpp::SHT_STRTAB) + { + fprintf(stderr, + _("%s: %s: symbol table name section has wrong type: %u\n"), + program_name, this->name().c_str(), + static_cast(strtabshdr.get_sh_type())); + gold_exit(false); + } + + // Read the symbol names. + File_view* fvstrtab = this->get_lasting_view(strtabshdr.get_sh_offset(), + strtabshdr.get_sh_size()); + + Read_symbols_data ret; + ret.symbols = fvsymtab; + ret.symbols_size = symtabshdr.get_sh_size(); + ret.symbol_names = fvstrtab; + ret.symbol_names_size = strtabshdr.get_sh_size(); + + return ret; +} + +// Add the symbols to the symbol table. + +template +void +Sized_object::do_add_symbols(Read_symbols_data sd) +{ + if (sd.symbols == NULL) + { + assert(sd.symbol_names == NULL); + return; + } + + int sym_size = elfcpp::Elf_sizes::sym_size; + const unsigned char* symstart = sd.symbols->data(); + const unsigned char* symend = symstart + sd.symbols_size; + for (const unsigned char* p = symstart; p < symend; p += sym_size) + { + elfcpp::Sym sym(p); + + unsigned int nameoff = sym.get_st_name(); + if (nameoff >= sd.symbol_names_size) + { + fprintf(stderr, + _("%s: %s: invalid symbol name offset %u for symbol %d\n"), + program_name, this->name().c_str(), nameoff, + (p - symstart) / sym_size); + gold_exit(false); + } + const unsigned char* name = sd.symbol_names->data() + nameoff; + printf("%s\n", name); + } +} + +} // End namespace gold. + +namespace +{ + +using namespace gold; + +// Read an ELF file with the header and return the appropriate +// instance of Object. + +template +Object* +make_elf_sized_object(const std::string& name, Input_file* input_file, + off_t offset, const elfcpp::Ehdr& ehdr) +{ + int et = ehdr.get_e_type(); + if (et != elfcpp::ET_REL && et != elfcpp::ET_DYN) + { + fprintf(stderr, "%s: %s: unsupported ELF type %d\n", + program_name, name.c_str(), static_cast(et)); + gold_exit(false); + } + + if (et == elfcpp::ET_REL) + { + Sized_object* obj = + new Sized_object(name, input_file, offset, ehdr); + obj->setup(ehdr); + return obj; + } + else + { + // elfcpp::ET_DYN + fprintf(stderr, _("%s: %s: dynamic objects are not yet supported\n"), + program_name, name.c_str()); + gold_exit(false); +// Sized_dynobj* obj = +// new Sized_dynobj(this->input_.name(), input_file, +// offset, ehdr); +// obj->setup(ehdr); +// return obj; + } +} + +} // End anonymous namespace. + +namespace gold +{ + +// Read an ELF file and return the appropriate instance of Object. + +Object* +make_elf_object(const std::string& name, Input_file* input_file, off_t offset, + const unsigned char* p, off_t bytes) +{ + if (bytes < elfcpp::EI_NIDENT) + { + fprintf(stderr, _("%s: %s: ELF file too short\n"), + program_name, name.c_str()); + gold_exit(false); + } + + int v = p[elfcpp::EI_VERSION]; + if (v != elfcpp::EV_CURRENT) + { + if (v == elfcpp::EV_NONE) + fprintf(stderr, _("%s: %s: invalid ELF version 0\n"), + program_name, name.c_str()); + else + fprintf(stderr, _("%s: %s: unsupported ELF version %d\n"), + program_name, name.c_str(), v); + gold_exit(false); + } + + int c = p[elfcpp::EI_CLASS]; + if (c == elfcpp::ELFCLASSNONE) + { + fprintf(stderr, _("%s: %s: invalid ELF class 0\n"), + program_name, name.c_str()); + gold_exit(false); + } + else if (c != elfcpp::ELFCLASS32 + && c != elfcpp::ELFCLASS64) + { + fprintf(stderr, _("%s: %s: unsupported ELF class %d\n"), + program_name, name.c_str(), c); + gold_exit(false); + } + + int d = p[elfcpp::EI_DATA]; + if (d == elfcpp::ELFDATANONE) + { + fprintf(stderr, _("%s: %s: invalid ELF data encoding\n"), + program_name, name.c_str()); + gold_exit(false); + } + else if (d != elfcpp::ELFDATA2LSB + && d != elfcpp::ELFDATA2MSB) + { + fprintf(stderr, _("%s: %s: unsupported ELF data encoding %d\n"), + program_name, name.c_str(), d); + gold_exit(false); + } + + bool big_endian = d == elfcpp::ELFDATA2MSB; + + if (c == elfcpp::ELFCLASS32) + { + if (bytes < elfcpp::Elf_sizes<32>::ehdr_size) + { + fprintf(stderr, _("%s: %s: ELF file too short\n"), + program_name, name.c_str()); + gold_exit(false); + } + if (big_endian) + { + elfcpp::Ehdr<32, true> ehdr(p); + return make_elf_sized_object<32, true>(name, input_file, + offset, ehdr); + } + else + { + elfcpp::Ehdr<32, false> ehdr(p); + return make_elf_sized_object<32, false>(name, input_file, + offset, ehdr); + } + } + else + { + if (bytes < elfcpp::Elf_sizes<32>::ehdr_size) + { + fprintf(stderr, _("%s: %s: ELF file too short\n"), + program_name, name.c_str()); + gold_exit(false); + } + if (big_endian) + { + elfcpp::Ehdr<64, true> ehdr(p); + return make_elf_sized_object<64, true>(name, input_file, + offset, ehdr); + } + else + { + elfcpp::Ehdr<64, false> ehdr(p); + return make_elf_sized_object<64, false>(name, input_file, + offset, ehdr); + } + } +} + +// Instantiate the templates we need. We could use the configure +// script to restrict this to only the ones for implemented targets. + +template +class Sized_object<32, false>; + +template +class Sized_object<32, true>; + +template +class Sized_object<64, false>; + +template +class Sized_object<64, true>; + +} // End namespace gold. diff --git a/gold/object.h b/gold/object.h new file mode 100644 index 00000000000..9d63b117848 --- /dev/null +++ b/gold/object.h @@ -0,0 +1,160 @@ +// object.h -- support for an object file for linking in gold -*- C++ -*- + +#ifndef GOLD_OBJECT_H +#define GOLD_OBJECT_H + +#include "elfcpp.h" +#include "targetsize.h" +#include "target.h" +#include "fileread.h" + +namespace gold +{ + +// Data to pass from read_symbols() to add_symbols(). + +struct Read_symbols_data +{ + // Symbol data. + File_view* symbols; + // Size of symbol data in bytes. + off_t symbols_size; + // Symbol names. + File_view* symbol_names; + // Size of symbol name data in bytes. + off_t symbol_names_size; +}; + +// Object is an interface which represents either a 32-bit or a 64-bit +// object file. The actual instantiations are Sized_object<32> and +// Sized_object<64> + +class Object +{ + public: + // NAME is the name of the object as we would report it to the user + // (e.g., libfoo.a(bar.o) if this is in an archive. INPUT_FILE is + // used to read the file. OFFSET is the offset within the input + // file--0 for a .o or .so file, something else for a .a file. + Object(const std::string& name, Input_file* input_file, off_t offset = 0) + : name_(name), input_file_(input_file), offset_(offset) + { } + + virtual ~Object() + { } + + const std::string& + name() const + { return this->name_; } + + // Read the symbol and relocation information. + Read_symbols_data + read_symbols() + { return this->do_read_symbols(); } + + // Add symbol information to the global symbol table. + void + add_symbols(Read_symbols_data rd) + { this->do_add_symbols(rd); } + + protected: + // Read the symbols--implemented by child class. + virtual Read_symbols_data + do_read_symbols() = 0; + + // Add symbol information to the global symbol table--implemented by + // child class. + virtual void + do_add_symbols(Read_symbols_data) = 0; + + // Get the file. + Input_file* + input_file() const + { return this->input_file_; } + + // Get the offset into the file. + off_t + offset() const + { return this->offset_; } + + // Get a view into the underlying file. + const unsigned char* + get_view(off_t start, off_t size); + + // Read data from the underlying file. + void + read(off_t start, off_t size, void* p); + + // Get a lasting view into the underlying file. + File_view* + get_lasting_view(off_t start, off_t size); + + private: + // This class may not be copied. + Object(const Object&); + Object& operator=(const Object&); + + // Name of object as printed to use. + std::string name_; + // For reading the file. + Input_file* input_file_; + // Offset within the file--0 for an object file, non-0 for an + // archive. + off_t offset_; +}; + +// The functions of Object which are size specific. + +template +class Sized_object : public Object +{ + public: + Sized_object(const std::string& name, Input_file* input_file, off_t offset, + const typename elfcpp::Ehdr&); + + ~Sized_object(); + + void + setup(const typename elfcpp::Ehdr&); + + Read_symbols_data + do_read_symbols(); + + void + do_add_symbols(Read_symbols_data); + + private: + // This object may not be copied. + Sized_object(const Sized_object&); + Sized_object& operator=(const Sized_object&); + + // ELF file header EI_OSABI field. + unsigned char osabi_; + // ELF file header EI_ABIVERSION field. + unsigned char abiversion_; + // ELF file header e_machine field. + elfcpp::Elf_Half machine_; + // ELF file header e_flags field. + unsigned int flags_; + // Target functions--may be NULL. + Target* target_; + // File offset of section header table. + off_t shoff_; + // Number of input sections. + unsigned int shnum_; + // Offset of SHT_STRTAB section holding section names. + unsigned int shstrndx_; + // Index of SHT_SYMTAB section. + unsigned int symtab_shnum_; +}; + +// Return an Object appropriate for the input file. P is BYTES long, +// and holds the ELF header. + +extern Object* make_elf_object(const std::string& name, Input_file*, + off_t offset, const unsigned char* p, + off_t bytes); + +} // end namespace gold + +#endif // !defined(GOLD_OBJECT_H) diff --git a/gold/options.cc b/gold/options.cc new file mode 100644 index 00000000000..ad0ac838325 --- /dev/null +++ b/gold/options.cc @@ -0,0 +1,414 @@ +// options.c -- handle command line options for gold + +#include + +#include "gold.h" +#include "options.h" + +// The information we keep for a single command line option. + +struct gold::options::One_option +{ + // The single character option name, or '\0' if this is only a long + // option. + char short_option; + + // The long option name, or NULL if this is only a short option. + const char* long_option; + + // Description of the option for --help output, or NULL if there is none. + const char* doc; + + // How to print the option name in --help output, or NULL to use the + // default. + const char* help_output; + + // Long option dash control. This is ignored if long_option is + // NULL. + enum + { + // Long option normally takes one dash; two dashes are also + // accepted. + ONE_DASH, + // Long option normally takes two dashes; one dash is also + // accepted. + TWO_DASHES, + // Long option always takes two dashes. + EXACTLY_TWO_DASHES + } dash; + + // Function for special handling, or NULL. Returns the number of + // arguments to skip. This will normally be at least 1, but it may + // be 0 if this function changes *argv. ARG points to the location + // in *ARGV where the option starts, which may be helpful for a + // short option. + int (*special)(int argc, char** argv, char *arg, gold::Command_line*); + + // If this is a position independent option which does not take an + // argument, this is the member function to call to record it. + void (gold::General_options::*general_noarg)(); + + // If this is a position independent function which takes an + // argument, this is the member function to call to record it. + void (gold::General_options::*general_arg)(const char*); + + // If this is a position dependent option which does not take an + // argument, this is the member function to call to record it. + void (gold::Position_dependent_options::*dependent_noarg)(); + + // If this is a position dependent option which takes an argument, + // this is the member function to record it. + void (gold::Position_dependent_options::*dependent_arg)(const char*); + + // Return whether this option takes an argument. + bool + takes_argument() const + { return this->general_arg != NULL || this->dependent_arg != NULL; } +}; + +class gold::options::Command_line_options +{ + public: + static const One_option options[]; + static const int options_size; +}; + +namespace +{ + +// Report usage information for ld --help, and exit. + +int +help(int, char**, char*, gold::Command_line*) +{ + printf(_("Usage: %s [options] file...\nOptions:\n"), gold::program_name); + + const int options_size = gold::options::Command_line_options::options_size; + const gold::options::One_option* options = + gold::options::Command_line_options::options; + for (int i = 0; i < options_size; ++i) + { + if (options[i].doc == NULL) + continue; + + printf(" "); + int len = 2; + bool comma = false; + + int j = i; + do + { + if (options[j].help_output != NULL) + { + if (comma) + { + printf(", "); + len += 2; + } + printf(options[j].help_output); + len += std::strlen(options[i].help_output); + } + else + { + if (options[j].short_option != '\0') + { + if (comma) + { + printf(", "); + len += 2; + } + printf("-%c", options[j].short_option); + len += 2; + } + + if (options[j].long_option != NULL) + { + if (comma) + { + printf(", "); + len += 2; + } + if (options[j].dash == gold::options::One_option::ONE_DASH) + { + printf("-"); + ++len; + } + else + { + printf("--"); + len += 2; + } + printf("%s", options[j].long_option); + len += std::strlen(options[j].long_option); + } + } + ++j; + } + while (j < options_size && options[j].doc == NULL); + + if (len > 30) + { + printf("\n"); + len = 0; + } + for (; len < 30; ++len) + std::putchar(' '); + + std::puts(options[i].doc); + } + + gold::gold_exit(true); + + return 0; +} + +} // End empty namespace. + +// Helper macros used to specify the options. We could also do this +// using constructors, but then g++ would generate code to initialize +// the array. We want the array to be initialized statically so that +// we get better startup time. + +#define GENERAL_NOARG(short_option, long_option, doc, help, dash, func) \ + { short_option, long_option, doc, help, gold::options::One_option::dash, \ + NULL, func, NULL, NULL, NULL } +#define GENERAL_ARG(short_option, long_option, doc, help, dash, func) \ + { short_option, long_option, doc, help, gold::options::One_option::dash, \ + NULL, NULL, func, NULL, NULL } +#define POSDEP_NOARG(short_option, long_option, doc, help, dash, func) \ + { short_option, long_option, doc, help, gold::options::One_option::dash, \ + NULL, NULL, NULL, func, NULL } +#define POSDEP_ARG(short_option, long_option, doc, help, dash, func) \ + { short_option, long_option, doc, help, gold::options::One_option::dash, \ + NULL, NULL, NULL, NULL, func } +#define SPECIAL(short_option, long_option, doc, help, dash, func) \ + { short_option, long_option, doc, help, gold::options::One_option::dash, \ + func, NULL, NULL, NULL, NULL } + +// Here is the actual list of options which we accept. + +const gold::options::One_option +gold::options::Command_line_options::options[] = +{ + GENERAL_ARG('L', "library-path", N_("Add directory to search path"), + N_("-L DIR, --library-path DIR"), TWO_DASHES, + &gold::General_options::add_to_search_path), + GENERAL_NOARG('r', NULL, N_("Generate relocatable output"), NULL, + ONE_DASH, &gold::General_options::set_relocatable), + GENERAL_NOARG('\0', "static", N_("Do not link against shared libraries"), + NULL, ONE_DASH, &gold::General_options::set_static), + SPECIAL('\0', "help", N_("Report usage information"), NULL, + TWO_DASHES, &help) +}; + +const int gold::options::Command_line_options::options_size = + sizeof (options) / sizeof (options[0]); + +// The default values for the general options. + +gold::General_options::General_options() + : is_relocatable_(false) +{ +} + +// The default values for the position dependent options. + +gold::Position_dependent_options::Position_dependent_options() + : do_static_search_(false) +{ +} + +// Construct a Command_line. + +gold::Command_line::Command_line() +{ +} + +// Process the command line options. + +void +gold::Command_line::process(int argc, char** argv) +{ + const int options_size = gold::options::Command_line_options::options_size; + const gold::options::One_option* options = + gold::options::Command_line_options::options; + bool no_more_options = false; + int i = 0; + while (i < argc) + { + if (argv[i][0] != '-' || no_more_options) + { + this->inputs_.push_back(Input_argument(argv[i], + this->position_options_)); + ++i; + continue; + } + + // Option starting with '-'. + int dashes = 1; + if (argv[i][1] == '-') + { + dashes = 2; + if (argv[i][2] == '\0') + { + no_more_options = true; + continue; + } + } + + // Look for a long option match. + char* opt = argv[i] + dashes; + char first = opt[0]; + int skiparg = 0; + char* arg = strchr(opt, '='); + if (arg != NULL) + *arg = '\0'; + else if (i + 1 < argc) + { + arg = argv[i + 1]; + skiparg = 1; + } + + int j; + for (j = 0; j < options_size; ++j) + { + if (options[j].long_option != NULL + && (dashes == 2 + || (options[j].dash + != gold::options::One_option::EXACTLY_TWO_DASHES)) + && first == options[j].long_option[0] + && strcmp(opt, options[j].long_option) == 0) + { + if (options[j].special) + i += options[j].special(argc - 1, argv + i, opt, this); + else + { + if (!options[j].takes_argument()) + { + arg = NULL; + skiparg = 0; + } + else + { + if (arg == NULL) + this->usage(_("missing argument"), argv[i]); + } + this->apply_option(options[j], arg); + i += skiparg + 1; + } + break; + } + } + if (j < options_size) + continue; + + // If we saw two dashes, we need to see a long option. + if (dashes == 2) + this->usage(_("unknown option"), argv[i]); + + // Look for a short option match. There may be more than one + // short option in a given argument. + bool done = false; + char* s = argv[i] + 1; + ++i; + while (*s != '\0' && !done) + { + char opt = *s; + int j; + for (j = 0; j < options_size; ++j) + { + if (options[j].short_option == opt) + { + if (options[j].special) + { + // Undo the argument skip done above. + --i; + i += options[j].special(argc - i, argv + i, s, this); + done = true; + } + else + { + arg = NULL; + if (options[j].takes_argument()) + { + if (s[1] != '\0') + { + arg = s + 1; + done = true; + } + else if (i < argc) + { + arg = argv[i]; + ++i; + } + else + this->usage(_("missing argument"), opt); + } + this->apply_option(options[j], arg); + } + break; + } + } + + if (j >= options_size) + this->usage(_("unknown option"), *s); + + ++s; + } + } +} + +// Apply a command line option. + +void +gold::Command_line::apply_option(const gold::options::One_option& opt, + const char* arg) +{ + if (arg == NULL) + { + if (opt.general_noarg) + (this->options_.*(opt.general_noarg))(); + else if (opt.dependent_noarg) + (this->position_options_.*(opt.dependent_noarg))(); + else + gold::gold_unreachable(); + } + else + { + if (opt.general_arg) + (this->options_.*(opt.general_arg))(arg); + else if (opt.dependent_arg) + (this->position_options_.*(opt.dependent_arg))(arg); + else + gold::gold_unreachable(); + } +} + +// Report a usage error. */ + +void +gold::Command_line::usage() +{ + fprintf(stderr, + _("%s: use the --help option for usage information\n"), + gold::program_name); + gold::gold_exit(false); +} + +void +gold::Command_line::usage(const char* msg, const char *opt) +{ + fprintf(stderr, + _("%s: %s: %s\n"), + gold::program_name, opt, msg); + this->usage(); +} + +void +gold::Command_line::usage(const char* msg, char opt) +{ + fprintf(stderr, + _("%s: -%c: %s\n"), + gold::program_name, opt, msg); + this->usage(); +} diff --git a/gold/options.h b/gold/options.h new file mode 100644 index 00000000000..082927fae3c --- /dev/null +++ b/gold/options.h @@ -0,0 +1,174 @@ +// options.h -- handle command line options for gold -*- C++ -*- + +// Command_line +// Holds everything we get from the command line. +// General_options (from Command_line::options()) +// Options which are not position dependent. +// Input_argument (from Command_line::inputs()) +// The list of input files, including -l options. +// Position_dependent_options (from Input_argument::options()) +// Position dependent options which apply to this argument. + +#ifndef GOLD_OPTIONS_H +#define GOLD_OPTIONS_H + +#include + +#include "gold.h" + +namespace gold +{ + +class Command_line; + +namespace options { + +class Command_line_options; +struct One_option; + +} // End namespace gold::options. + +// The position independent options which apply to the whole link. +// There are a lot of them. + +class General_options +{ + public: + General_options(); + + // -L: Library search path. + typedef std::list Dir_list; + + const Dir_list& + search_path() const + { return this->search_path_; } + + // -r: Whether we are doing a relocatable link. + bool + is_relocatable() const + { return this->is_relocatable_; } + + // --static: Whether doing a static link. + bool + is_static() const + { return this->is_static_; } + + private: + friend class Command_line; + friend class options::Command_line_options; + + void + add_to_search_path(const char* arg) + { this->search_path_.push_back(arg); } + + void + set_relocatable() + { this->is_relocatable_ = true; } + + void + set_static() + { this->is_static_ = true; } + + Dir_list search_path_; + bool is_relocatable_; + bool is_static_; + + // Don't copy this structure. + General_options(const General_options&); + General_options& operator=(const General_options&); +}; + +// The current state of the position dependent options. + +class Position_dependent_options +{ + public: + Position_dependent_options(); + + // -Bstatic: Whether we are searching for a static archive rather + // -than a shared object. + bool + do_static_search() + { return this->do_static_search_; } + + private: + friend class Command_line; + friend class options::Command_line_options; + + void + set_static_search() + { this->do_static_search_ = true; } + + void + set_dynamic_search() + { this->do_static_search_ = false; } + + bool do_static_search_; +}; + +// A single file or library argument from the command line. + +class Input_argument +{ + public: + Input_argument(const char* name, const Position_dependent_options& options) + : name_(name), options_(options) + { } + + const char* + name() const + { return this->name_; } + + const Position_dependent_options& + options() const + { return this->options_; } + + bool + is_lib() const + { return this->name_[0] == '-' && this->name_[1] == 'l'; } + + const char* + lib_basename() const + { return this->name_ + 2; } + + private: + const char* name_; + Position_dependent_options options_; +}; + +// All the information read from the command line. + +class Command_line +{ + public: + Command_line(); + + // Process the command line options. This will exit with an + // appropriate error message if an unrecognized option is seen. + void + process(int argc, char** argv); + + const General_options& + options() const + { return this->options_; } + + typedef std::list Input_argument_list; + + const Input_argument_list& + inputs() const + { return this->inputs_; } + + private: + void usage() ATTRIBUTE_NORETURN; + void usage(const char* msg, const char* opt) ATTRIBUTE_NORETURN; + void usage(const char* msg, char opt) ATTRIBUTE_NORETURN; + void apply_option(const gold::options::One_option&, const char*); + + General_options options_; + Position_dependent_options position_options_; + Input_argument_list inputs_; +}; + +} // End namespace gold. + +#endif // !defined(GOLD_OPTIONS_H) diff --git a/gold/po/Make-in b/gold/po/Make-in new file mode 100644 index 00000000000..88ce78fa6e4 --- /dev/null +++ b/gold/po/Make-in @@ -0,0 +1,256 @@ +# Makefile for program source directory in GNU NLS utilities package. +# Copyright (C) 1995, 1996, 1997 by Ulrich Drepper +# Copyright 2003, 2006 Free Software Foundation, Inc. +# +# This file may be copied and used freely without restrictions. It can +# be used in projects which are not available under the GNU Public License +# but which still want to provide support for the GNU gettext functionality. +# Please note that the actual code is *not* freely available. + +PACKAGE = @PACKAGE@ +VERSION = @VERSION@ + +SHELL = /bin/sh +@SET_MAKE@ + +srcdir = @srcdir@ +top_srcdir = @top_srcdir@ +VPATH = @srcdir@ +top_builddir = @top_builddir@ + +prefix = @prefix@ +exec_prefix = @exec_prefix@ +datadir = $(prefix)/@DATADIRNAME@ +localedir = $(datadir)/locale +gnulocaledir = $(prefix)/share/locale +gettextsrcdir = $(prefix)/share/gettext/po +subdir = po + +DESTDIR = + +INSTALL = @INSTALL@ +INSTALL_DATA = @INSTALL_DATA@ +MKINSTALLDIRS = @MKINSTALLDIRS@ + +CC = @CC@ +GENCAT = @GENCAT@ +GMSGFMT = PATH=../src:$$PATH @GMSGFMT@ +MSGFMT = @MSGFMT@ +XGETTEXT = PATH=../src:$$PATH @XGETTEXT@ +MSGMERGE = PATH=../src:$$PATH msgmerge + +DEFS = @DEFS@ +CFLAGS = @CFLAGS@ +CPPFLAGS = @CPPFLAGS@ + +INCLUDES = -I.. -I$(top_srcdir)/intl + +COMPILE = $(CC) -c $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS) $(XCFLAGS) + +SOURCES = cat-id-tbl.c +POFILES = @POFILES@ +GMOFILES = @GMOFILES@ +DISTFILES = ChangeLog Makefile.in.in POTFILES.in $(PACKAGE).pot \ +stamp-cat-id $(POFILES) $(GMOFILES) $(SOURCES) + +POTFILES = \ + +CATALOGS = @CATALOGS@ +CATOBJEXT = @CATOBJEXT@ +INSTOBJEXT = @INSTOBJEXT@ + +.SUFFIXES: +.SUFFIXES: .c .o .po .pox .gmo .mo .msg .cat + +.c.o: + $(COMPILE) $< + +.po.pox: + $(MAKE) $(PACKAGE).pot + $(MSGMERGE) $< $(srcdir)/$(PACKAGE).pot -o $*.pox + +.po.mo: + $(MSGFMT) -o $@ $< + +.po.gmo: + file=$(srcdir)/`echo $* | sed 's,.*/,,'`.gmo \ + && rm -f $$file && $(GMSGFMT) -o $$file $< + +.po.cat: + sed -f ../intl/po2msg.sed < $< > $*.msg \ + && rm -f $@ && $(GENCAT) $@ $*.msg + + +all: all-@USE_NLS@ + +all-yes: $(CATALOGS) @MAINT@ $(PACKAGE).pot +all-no: + +$(srcdir)/$(PACKAGE).pot: $(POTFILES) + $(XGETTEXT) --default-domain=$(PACKAGE) --directory=$(top_srcdir) \ + --add-comments --keyword=_ --keyword=N_ \ + --files-from=$(srcdir)/POTFILES.in + rm -f $(srcdir)/$(PACKAGE).pot + mv $(PACKAGE).po $(srcdir)/$(PACKAGE).pot + +$(srcdir)/cat-id-tbl.c: stamp-cat-id; @: +$(srcdir)/stamp-cat-id: $(PACKAGE).pot + rm -f cat-id-tbl.tmp + sed -f ../intl/po2tbl.sed $(srcdir)/$(PACKAGE).pot \ + | sed -e "s/@PACKAGE NAME@/$(PACKAGE)/" > cat-id-tbl.tmp + if cmp -s cat-id-tbl.tmp $(srcdir)/cat-id-tbl.c; then \ + rm cat-id-tbl.tmp; \ + else \ + echo cat-id-tbl.c changed; \ + rm -f $(srcdir)/cat-id-tbl.c; \ + mv cat-id-tbl.tmp $(srcdir)/cat-id-tbl.c; \ + fi + cd $(srcdir) && rm -f stamp-cat-id && echo timestamp > stamp-cat-id + + +install: install-exec install-data +install-exec: +install-info: +install-html: +install-data: install-data-@USE_NLS@ +install-data-no: all +install-data-yes: all + if test -r $(MKINSTALLDIRS); then \ + $(MKINSTALLDIRS) $(DESTDIR)$(datadir); \ + else \ + $(top_srcdir)/mkinstalldirs $(DESTDIR)$(datadir); \ + fi + @catalogs='$(CATALOGS)'; \ + for cat in $$catalogs; do \ + cat=`basename $$cat`; \ + case "$$cat" in \ + *.gmo) destdir=$(gnulocaledir);; \ + *) destdir=$(localedir);; \ + esac; \ + lang=`echo $$cat | sed 's/\$(CATOBJEXT)$$//'`; \ + dir=$(DESTDIR)$$destdir/$$lang/LC_MESSAGES; \ + if test -r $(MKINSTALLDIRS); then \ + $(MKINSTALLDIRS) $$dir; \ + else \ + $(top_srcdir)/mkinstalldirs $$dir; \ + fi; \ + if test -r $$cat; then \ + $(INSTALL_DATA) $$cat $$dir/$(PACKAGE)$(INSTOBJEXT); \ + echo "installing $$cat as $$dir/$(PACKAGE)$(INSTOBJEXT)"; \ + else \ + $(INSTALL_DATA) $(srcdir)/$$cat $$dir/$(PACKAGE)$(INSTOBJEXT); \ + echo "installing $(srcdir)/$$cat as" \ + "$$dir/$(PACKAGE)$(INSTOBJEXT)"; \ + fi; \ + if test -r $$cat.m; then \ + $(INSTALL_DATA) $$cat.m $$dir/$(PACKAGE)$(INSTOBJEXT).m; \ + echo "installing $$cat.m as $$dir/$(PACKAGE)$(INSTOBJEXT).m"; \ + else \ + if test -r $(srcdir)/$$cat.m ; then \ + $(INSTALL_DATA) $(srcdir)/$$cat.m \ + $$dir/$(PACKAGE)$(INSTOBJEXT).m; \ + echo "installing $(srcdir)/$$cat as" \ + "$$dir/$(PACKAGE)$(INSTOBJEXT).m"; \ + else \ + true; \ + fi; \ + fi; \ + done + if test "$(PACKAGE)" = "gettext"; then \ + if test -r $(MKINSTALLDIRS); then \ + $(MKINSTALLDIRS) $(DESTDIR)$(gettextsrcdir); \ + else \ + $(top_srcdir)/mkinstalldirs $(DESTDIR)$(gettextsrcdir); \ + fi; \ + $(INSTALL_DATA) $(srcdir)/Makefile.in.in \ + $(DESTDIR)$(gettextsrcdir)/Makefile.in.in; \ + else \ + : ; \ + fi + +# Define this as empty until I found a useful application. +installcheck: + +uninstall: + catalogs='$(CATALOGS)'; \ + for cat in $$catalogs; do \ + cat=`basename $$cat`; \ + lang=`echo $$cat | sed 's/\$(CATOBJEXT)$$//'`; \ + rm -f $(DESTDIR)$(localedir)/$$lang/LC_MESSAGES/$(PACKAGE)$(INSTOBJEXT); \ + rm -f $(DESTDIR)$(localedir)/$$lang/LC_MESSAGES/$(PACKAGE)$(INSTOBJEXT).m; \ + rm -f $(DESTDIR)$(gnulocaledir)/$$lang/LC_MESSAGES/$(PACKAGE)$(INSTOBJEXT); \ + rm -f $(DESTDIR)$(gnulocaledir)/$$lang/LC_MESSAGES/$(PACKAGE)$(INSTOBJEXT).m; \ + done + rm -f $(DESTDIR)$(gettextsrcdir)/po-Makefile.in.in + +check: all + +cat-id-tbl.o: ../intl/libgettext.h + +html dvi pdf ps info tags TAGS ID: + +mostlyclean: + rm -f core core.* *.pox $(PACKAGE).po *.old.po cat-id-tbl.tmp + rm -fr *.o + +clean: mostlyclean + +distclean: clean + rm -f Makefile Makefile.in POTFILES *.mo *.msg *.cat *.cat.m + +maintainer-clean: distclean + @echo "This command is intended for maintainers to use;" + @echo "it deletes files that may require special tools to rebuild." + rm -f $(GMOFILES) + +distdir = ../$(PACKAGE)-$(VERSION)/$(subdir) +dist distdir: update-po $(DISTFILES) + dists="$(DISTFILES)"; \ + for file in $$dists; do \ + ln $(srcdir)/$$file $(distdir) 2> /dev/null \ + || cp -p $(srcdir)/$$file $(distdir); \ + done + +update-po: Makefile + $(MAKE) $(PACKAGE).pot + PATH=`pwd`/../src:$$PATH; \ + cd $(srcdir); \ + catalogs='$(CATALOGS)'; \ + for cat in $$catalogs; do \ + cat=`basename $$cat`; \ + lang=`echo $$cat | sed 's/\$(CATOBJEXT)$$//'`; \ + mv $$lang.po $$lang.old.po; \ + echo "$$lang:"; \ + if $(MSGMERGE) $$lang.old.po $(PACKAGE).pot -o $$lang.po; then \ + rm -f $$lang.old.po; \ + else \ + echo "msgmerge for $$cat failed!"; \ + rm -f $$lang.po; \ + mv $$lang.old.po $$lang.po; \ + fi; \ + done + +POTFILES: POTFILES.in + ( if test 'x$(srcdir)' != 'x.'; then \ + posrcprefix='$(top_srcdir)/'; \ + else \ + posrcprefix="../"; \ + fi; \ + rm -f $@-t $@ \ + && (sed -e '/^#/d' -e '/^[ ]*$$/d' \ + -e "s@.*@ $$posrcprefix& \\\\@" < $(srcdir)/$@.in \ + | sed -e '$$s/\\$$//') > $@-t \ + && chmod a-w $@-t \ + && mv $@-t $@ ) + +POTFILES.in: @MAINT@ ../Makefile + cd .. && $(MAKE) po/POTFILES.in + +Makefile: Make-in ../config.status POTFILES + cd .. \ + && CONFIG_FILES=$(subdir)/Makefile.in:$(subdir)/Make-in \ + CONFIG_HEADERS= $(SHELL) ./config.status + +# Tell versions [3.59,3.63) of GNU make not to export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/gold/po/POTFILES.in b/gold/po/POTFILES.in new file mode 100644 index 00000000000..e0cca00e1ff --- /dev/null +++ b/gold/po/POTFILES.in @@ -0,0 +1,19 @@ +dirsearch.cc +dirsearch.h +fileread.cc +fileread.h +gold.cc +gold.h +gold-threads.cc +gold-threads.h +object.cc +object.h +options.cc +options.h +readsyms.cc +readsyms.h +symtab.h +target.h +targetsize.h +workqueue.cc +workqueue.h diff --git a/gold/po/gold.pot b/gold/po/gold.pot new file mode 100644 index 00000000000..604b371d8b6 --- /dev/null +++ b/gold/po/gold.pot @@ -0,0 +1,216 @@ +# SOME DESCRIPTIVE TITLE. +# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER +# This file is distributed under the same license as the PACKAGE package. +# FIRST AUTHOR , YEAR. +# +#, fuzzy +msgid "" +msgstr "" +"Project-Id-Version: PACKAGE VERSION\n" +"Report-Msgid-Bugs-To: \n" +"POT-Creation-Date: 2006-08-04 14:23-0700\n" +"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n" +"Last-Translator: FULL NAME \n" +"Language-Team: LANGUAGE \n" +"MIME-Version: 1.0\n" +"Content-Type: text/plain; charset=CHARSET\n" +"Content-Transfer-Encoding: 8bit\n" + +#: dirsearch.cc:50 +#, c-format +msgid "can not read directory %s" +msgstr "" + +#: fileread.cc:56 +#, c-format +msgid "%s: warning: close(%s) failed: %s" +msgstr "" + +#: fileread.cc:131 +#, c-format +msgid "%s: %s: lseek to %lld failed: %s" +msgstr "" + +#: fileread.cc:141 +#, c-format +msgid "%s: %s: read failed: %s\n" +msgstr "" + +#: fileread.cc:151 +#, c-format +msgid "%s: %s: file too short: read only %lld of %lld bytes at %lld\n" +msgstr "" + +#: fileread.cc:267 +#, c-format +msgid "%s: cannot find %s" +msgstr "" + +#: fileread.cc:275 +#, c-format +msgid "%s: cannot open %s: %s" +msgstr "" + +#: gold.cc:71 +msgid "no input files" +msgstr "" + +#: gold-threads.cc:48 +msgid "pthead_mutextattr_init failed" +msgstr "" + +#: gold-threads.cc:51 +msgid "pthread_mutextattr_settype failed" +msgstr "" + +#: gold-threads.cc:55 +msgid "pthread_mutex_init failed" +msgstr "" + +#: gold-threads.cc:58 +msgid "pthread_mutexattr_destroy failed" +msgstr "" + +#: gold-threads.cc:64 +msgid "pthread_mutex_destroy failed" +msgstr "" + +#: gold-threads.cc:71 +msgid "pthread_mutex_lock failed" +msgstr "" + +#: gold-threads.cc:78 +msgid "pthread_mutex_unlock failed" +msgstr "" + +#: gold-threads.cc:159 +msgid "pthread_cond_init failed" +msgstr "" + +#: gold-threads.cc:165 +msgid "pthread_cond_destroy failed" +msgstr "" + +#: gold-threads.cc:172 +msgid "pthread_cond_wait failed" +msgstr "" + +#: gold-threads.cc:179 +msgid "pthread_cond_signal failed" +msgstr "" + +#: object.cc:56 +#, c-format +msgid "%s: %s: bad e_ehsize field (%d != %d)\n" +msgstr "" + +#: object.cc:63 +#, c-format +msgid "%s: %s: bad e_shentsize field (%d != %d)\n" +msgstr "" + +#: object.cc:154 +#, c-format +msgid "%s: %s: invalid symbol table name index: %u\n" +msgstr "" + +#: object.cc:164 +#, c-format +msgid "%s: %s: symbol table name section has wrong type: %u\n" +msgstr "" + +#: object.cc:206 +#, c-format +msgid "%s: %s: invalid symbol name offset %u for symbol %d\n" +msgstr "" + +#. elfcpp::ET_DYN +#: object.cc:249 +#, c-format +msgid "%s: %s: dynamic objects are not yet supported\n" +msgstr "" + +#: object.cc:273 object.cc:326 object.cc:347 +#, c-format +msgid "%s: %s: ELF file too short\n" +msgstr "" + +#: object.cc:282 +#, c-format +msgid "%s: %s: invalid ELF version 0\n" +msgstr "" + +#: object.cc:285 +#, c-format +msgid "%s: %s: unsupported ELF version %d\n" +msgstr "" + +#: object.cc:293 +#, c-format +msgid "%s: %s: invalid ELF class 0\n" +msgstr "" + +#: object.cc:300 +#, c-format +msgid "%s: %s: unsupported ELF class %d\n" +msgstr "" + +#: object.cc:308 +#, c-format +msgid "%s: %s: invalid ELF data encoding\n" +msgstr "" + +#: object.cc:315 +#, c-format +msgid "%s: %s: unsupported ELF data encoding %d\n" +msgstr "" + +#: options.cc:84 +#, c-format +msgid "" +"Usage: %s [options] file...\n" +"Options:\n" +msgstr "" + +#: options.cc:193 +msgid "Add directory to search path" +msgstr "" + +#: options.cc:194 +msgid "-L DIR, --library-path DIR" +msgstr "" + +#: options.cc:196 +msgid "Generate relocatable output" +msgstr "" + +#: options.cc:198 +msgid "Do not link against shared libraries" +msgstr "" + +#: options.cc:200 +msgid "Report usage information" +msgstr "" + +#: options.cc:294 options.cc:345 +msgid "missing argument" +msgstr "" + +#: options.cc:307 options.cc:354 +msgid "unknown option" +msgstr "" + +#: options.cc:393 +#, c-format +msgid "%s: use the --help option for usage information\n" +msgstr "" + +#: options.cc:402 +#, c-format +msgid "%s: %s: %s\n" +msgstr "" + +#: options.cc:411 +#, c-format +msgid "%s: -%c: %s\n" +msgstr "" diff --git a/gold/readsyms.cc b/gold/readsyms.cc new file mode 100644 index 00000000000..30b341c1b69 --- /dev/null +++ b/gold/readsyms.cc @@ -0,0 +1,123 @@ +// readsyms.cc -- read input file symbols for gold + +#include "gold.h" + +#include + +#include "elfcpp.h" +#include "options.h" +#include "dirsearch.h" +#include "readsyms.h" + +namespace gold +{ + +// Class read_symbols. + +Read_symbols::~Read_symbols() +{ + // The this_blocker_ and next_blocker_ pointers are passed on to the + // Add_symbols task. +} + +// Return whether a Read_symbols task is runnable. We need write +// access to the symbol table. We can read an ordinary input file +// immediately. For an archive specified using -l, we have to wait +// until the search path is complete. + +Task::Is_runnable_type +Read_symbols::is_runnable(Workqueue*) +{ + if (this->input_.is_lib() && this->dirpath_.token().is_blocked()) + return IS_BLOCKED; + + return IS_RUNNABLE; +} + +// Return a Task_locker for a Read_symbols task. We don't need any +// locks here. + +Task_locker* +Read_symbols::locks(Workqueue*) +{ + return NULL; +} + +// Run a Read_symbols task. This is where we actually read the +// symbols and relocations. + +void +Read_symbols::run(Workqueue* workqueue) +{ + // We don't keep track of Input_file objects, so this is a memory + // leak. + Input_file* input_file = new Input_file(this->input_); + input_file->open(this->options_, this->dirpath_); + + // Read enough of the file to pick up the entire ELF header. + + int ehdr_size = elfcpp::Elf_sizes<64>::ehdr_size; + off_t bytes; + const unsigned char* p = input_file->file().get_view(0, ehdr_size, &bytes); + if (bytes >= 4) + { + static unsigned char elfmagic[4] = + { + elfcpp::ELFMAG0, elfcpp::ELFMAG1, + elfcpp::ELFMAG2, elfcpp::ELFMAG3 + }; + if (memcmp(p, elfmagic, 4) == 0) + { + // This is an ELF object. + Object* obj = make_elf_object(this->input_.name(), input_file, 0, + p, bytes); + + Read_symbols_data sd = obj->read_symbols(); + workqueue->queue(new Add_symbols(obj, sd, this->this_blocker_, + this->next_blocker_)); + + // Opening the file locked it, so now we need to unlock it. + input_file->file().unlock(); + + return; + } + } + + // Here we have to handle archives and any other input file + // types we need. + gold_fatal("only objects are currently supported", false); +} + +// Class Add_symbols. + +Add_symbols::~Add_symbols() +{ + if (this->this_blocker_ != NULL) + delete this->this_blocker_; + // next_blocker_ is deleted by the task associated with the next + // input file. +} + +// We are blocked by this_blocker_. We block next_blocker_. + +Task::Is_runnable_type +Add_symbols::is_runnable(Workqueue*) +{ + if (this->this_blocker_ != NULL && this->this_blocker_->is_blocked()) + return IS_BLOCKED; + return IS_RUNNABLE; +} + +Task_locker* +Add_symbols::locks(Workqueue* workqueue) +{ + return new Task_locker_block(*this->next_blocker_, workqueue); +} + +void +Add_symbols::run(Workqueue*) +{ + this->object_->add_symbols(this->sd_); +} + +} // End namespace gold. diff --git a/gold/readsyms.h b/gold/readsyms.h new file mode 100644 index 00000000000..bad96c11565 --- /dev/null +++ b/gold/readsyms.h @@ -0,0 +1,95 @@ +// readsyms.h -- read input file symbols for gold -*- C++ -*- + +#ifndef GOLD_READSYMS_H +#define GOLD_READSYMS_H + +#include "targetsize.h" +#include "workqueue.h" +#include "object.h" + +namespace gold +{ + +// This Task is responsible for reading the symbols from an input +// file. This also includes reading the relocations so that we can +// check for any that require a PLT and/or a GOT. After the data has +// been read, this queues up another task to actually add the symbols +// to the symbol table. The tasks are separated because the file +// reading can occur in parallel but adding the symbols must be done +// in the order of the input files. + +class Read_symbols : public Task +{ + public: + // DIRPATH is the list of directories to search for libraries. + // INPUT is the file to read. THIS_BLOCKER is used to prevent the + // associated Add_symbols task from running before the previous one + // has completed; it will be NULL for the first task. NEXT_BLOCKER + // is used to block the next input file from adding symbols. + Read_symbols(const General_options& options, const Dirsearch& dirpath, + const Input_argument& input, Task_token* this_blocker, + Task_token* next_blocker) + : options_(options), dirpath_(dirpath), input_(input), + this_blocker_(this_blocker), next_blocker_(next_blocker) + { } + + ~Read_symbols(); + + // The standard Task methods. + + Is_runnable_type + is_runnable(Workqueue*); + + Task_locker* + locks(Workqueue*); + + void + run(Workqueue*); + + private: + const General_options& options_; + const Dirsearch& dirpath_; + const Input_argument& input_; + Task_token* this_blocker_; + Task_token* next_blocker_; +}; + +// This Task handles adding the symbols to the symbol table. These +// tasks must be run in the same order as the arguments appear on the +// command line. + +class Add_symbols : public Task +{ + public: + // THIS_BLOCKER is used to prevent this task from running before the + // one for the previous input file. NEXT_BLOCKER is used to prevent + // the next task from running. + Add_symbols(Object* object, Read_symbols_data sd, Task_token* this_blocker, + Task_token* next_blocker) + : object_(object), sd_(sd), this_blocker_(this_blocker), + next_blocker_(next_blocker) + { } + + ~Add_symbols(); + + // The standard Task methods. + + Is_runnable_type + is_runnable(Workqueue*); + + Task_locker* + locks(Workqueue*); + + void + run(Workqueue*); + +private: + Object* object_; + Read_symbols_data sd_; + Task_token* this_blocker_; + Task_token* next_blocker_; +}; + +} // end namespace gold + +#endif // !defined(GOLD_READSYMS_H) diff --git a/gold/symtab.h b/gold/symtab.h new file mode 100644 index 00000000000..1495fb1e6ac --- /dev/null +++ b/gold/symtab.h @@ -0,0 +1,80 @@ +// symtab.h -- the gold symbol table -*- C++ -*- + +// Symbol_table +// The symbol table. + +#include "gold.h" + +#include +#include + +#include "elfcpp.h" +#include "targetsize.h" +#include "object.h" +#include "workqueue.h" + +#ifndef GOLD_SYMTAB_H +#define GOLD_SYMTAB_H + +namespace gold +{ + +// An entry in the symbol table. The symbol table can have a lot of +// entries, so we don't want this class to get too big. + +template +class Symbol +{ + public: + typedef typename elfcpp::Elf_types::Elf_Addr Value; + typedef typename Size_types::Unsigned_type Size; + + private: + // Every symbol has a unique name, more or less, so we use + // std::string for the name. There are only a few versions in a + // given link, so for them we point into a pool. + std::string name_; + const char* version_; + Object* object_; + unsigned int shnum_; + Value value_; + Size size_; + elfcpp::STT type_ : 4; + elfcpp::STB binding_ : 4; + elfcpp:STV visibility_ : 2; + unsigned int other_ : 6; +}; + +// The main linker symbol table. + +template +class Symbol_table +{ + public: + Symbol_table(); + + // Return a pointer to a symbol specified by name. + Symbol* + lookup(const std::string& name) const; + + // Return a pointer to a symbol specified by name plus version. + Symbol* + lookup(const std::string& name, const char* version) const; + + Task_token& + token() const + { return this->token_; } + + private: + Symbol_table(const Symbol_table&); + Symbol_table& operator=(const Symbol_table&); + + typedef std::pair Symbol_table_key; + + Unordered_map*> table_; + Task_token token_; +}; + +} // End namespace gold. + +#endif // !defined(GOLD_SYMTAB_H) diff --git a/gold/target.h b/gold/target.h new file mode 100644 index 00000000000..1f1c57550b5 --- /dev/null +++ b/gold/target.h @@ -0,0 +1,29 @@ +// target.h -- target support for gold + +// The abstract class Target is the interface for target specific +// support. It defines abstract methods which each target must +// implement. Typically there will be one target per processor, but +// in some cases it may be necessary to have subclasses. + +// For speed and consistency we want to use inline functions to handle +// relocation processing. So besides implementations of the abstract +// methods, each target is expected to define a template +// specialization of the relocation functions. + +#ifndef GOLD_TARGET_H +#define GOLD_TARGET_H + +namespace gold +{ + +class Target +{ + public: +}; + +extern Target* select_target(int machine, int size, bool big_endian, + int osabi, int abiversion); + +} // End namespace gold. + +#endif // !defined(GOLD_TARGET_H) diff --git a/gold/targetsize.h b/gold/targetsize.h new file mode 100644 index 00000000000..61f986d333d --- /dev/null +++ b/gold/targetsize.h @@ -0,0 +1,56 @@ +// targetsize.h -- representations which change size based on the target + +#ifndef GOLD_TARGETSIZE_H +#define GOLD_TARGETSIZE_H + +// Tell GNU/Linux inttypes.h that we want the formatting macros. +#define __STDC_FORMAT_MACROS + +#include +#include + +namespace gold +{ + +// A template we use to get the right type sizes via specialization. +// We never actually use the default version. + +template +struct Size_types +{ + typedef signed char Signed_type; + typedef unsigned char Unsigned_type; + static const char* signed_printf_dec_format(); + static const char* unsigned_printf_dec_format(); + static const char* unsigned_printf_hex_format(); +}; + +template<> +struct Size_types<32> +{ + typedef int32_t Signed_type; + typedef uint32_t Unsigned_type; + static const char* signed_printf_dec_format() + { return PRId32; } + static const char* unsigned_printf_dec_format() + { return PRIu32; } + static const char* unsigned_printf_hex_format() + { return PRIx32; } +}; + +template<> +struct Size_types<64> +{ + typedef int64_t Signed_type; + typedef uint64_t Unsigned_type; + static const char* signed_printf_dec_format() + { return PRId64; } + static const char* unsigned_printf_dec_format() + { return PRIu64; } + static const char* unsigned_printf_hex_format() + { return PRIx64; } +}; + +} // End namespace gold. + +#endif // !defined(GOLD_TARGETSIZE_H) diff --git a/gold/workqueue.cc b/gold/workqueue.cc new file mode 100644 index 00000000000..860484ebdc6 --- /dev/null +++ b/gold/workqueue.cc @@ -0,0 +1,391 @@ +// workqueue.cc -- the workqueue for gold + +#include "gold.h" +#include "workqueue.h" + +namespace gold +{ + +// Task_token methods. + +Task_token::Task_token() + : is_blocker_(false), readers_(0), writer_(NULL) +{ +} + +Task_token::~Task_token() +{ + assert(this->readers_ == 0 && this->writer_ == NULL); +} + +bool +Task_token::is_readable() const +{ + assert(!this->is_blocker_); + return this->writer_ == NULL; +} + +void +Task_token::add_reader() +{ + assert(!this->is_blocker_); + assert(this->is_readable()); + ++this->readers_; +} + +void +Task_token::remove_reader() +{ + assert(!this->is_blocker_); + assert(this->readers_ > 0); + --this->readers_; +} + +bool +Task_token::is_writable() const +{ + assert(!this->is_blocker_); + return this->writer_ == NULL && this->readers_ == 0; +} + +void +Task_token::add_writer(const Task* t) +{ + assert(!this->is_blocker_); + assert(this->is_writable()); + this->writer_ = t; +} + +void +Task_token::remove_writer(const Task* t) +{ + assert(!this->is_blocker_); + assert(this->writer_ == t); + this->writer_ = NULL; +} + +bool +Task_token::has_write_lock(const Task* t) +{ + assert(!this->is_blocker_); + return this->writer_ == t; +} + +// For blockers, we just use the readers_ field. + +void +Task_token::add_blocker() +{ + if (this->readers_ == 0 && this->writer_ == NULL) + this->is_blocker_ = true; + else + assert(this->is_blocker_); + ++this->readers_; +} + +bool +Task_token::remove_blocker() +{ + assert(this->is_blocker_ && this->readers_ > 0); + --this->readers_; + return this->readers_ == 0; +} + +bool +Task_token::is_blocked() const +{ + assert(this->is_blocker_ || (this->readers_ == 0 && this->writer_ == NULL)); + return this->readers_ > 0; +} + +// The Task_block_token class. + +Task_block_token::Task_block_token(Task_token& token, Workqueue* workqueue) + : token_(token), workqueue_(workqueue) +{ + // We must increment the block count when the task is created and + // put on the queue. This object is created when the task is run, + // so we don't increment the block count here. + assert(this->token_.is_blocked()); +} + +Task_block_token::~Task_block_token() +{ + if (this->token_.remove_blocker()) + { + // Tell the workqueue that a blocker was cleared. This is + // always called in the main thread, so no locking is required. + this->workqueue_->cleared_blocker(); + } +} + +// The Workqueue_runner abstract class. + +class Workqueue_runner +{ + public: + Workqueue_runner(Workqueue* workqueue) + : workqueue_(workqueue) + { } + virtual ~Workqueue_runner() + { } + + // Run a task. This is always called in the main thread. + virtual void run(Task*, Task_locker*) = 0; + + protected: + // This is called by an implementation when a task is completed. + void completed(Task* t, Task_locker* tl) + { this->workqueue_->completed(t, tl); } + + Workqueue* get_workqueue() const + { return this->workqueue_; } + + private: + Workqueue* workqueue_; +}; + +// The simple single-threaded implementation of Workqueue_runner. + +class Workqueue_runner_single : public Workqueue_runner +{ + public: + Workqueue_runner_single(Workqueue* workqueue) + : Workqueue_runner(workqueue) + { } + ~Workqueue_runner_single() + { } + + void run(Task*, Task_locker*); +}; + +void +Workqueue_runner_single::run(Task* t, Task_locker* tl) +{ + t->run(this->get_workqueue()); + this->completed(t, tl); +} + +// Workqueue methods. + +Workqueue::Workqueue(const General_options&) + : tasks_lock_(), + tasks_(), + completed_lock_(), + completed_(), + running_(0), + completed_condvar_(this->completed_lock_), + cleared_blockers_(0) +{ + // At some point we will select the specific implementation of + // Workqueue_runner to use based on the command line options. + this->runner_ = new Workqueue_runner_single(this); +} + +Workqueue::~Workqueue() +{ + assert(this->tasks_.empty()); + assert(this->completed_.empty()); + assert(this->running_ == 0); +} + +void +Workqueue::queue(Task* t) +{ + Hold_lock hl(this->tasks_lock_); + this->tasks_.push_back(t); +} + +// Clear the list of completed tasks. Return whether we cleared +// anything. The completed_lock_ must be held when this is called. + +bool +Workqueue::clear_completed() +{ + if (this->completed_.empty()) + return false; + do + { + delete this->completed_.front(); + this->completed_.pop_front(); + } + while (!this->completed_.empty()); + return true; +} + +// Find a runnable task in TASKS, which is non-empty. Return NULL if +// none could be found. The tasks_lock_ must be held when this is +// called. Sets ALL_BLOCKED if all non-runnable tasks are waiting on +// a blocker. + +Task* +Workqueue::find_runnable(Task_list& tasks, bool* all_blocked) +{ + Task* tlast = tasks.back(); + *all_blocked = true; + while (true) + { + Task* t = tasks.front(); + tasks.pop_front(); + + Task::Is_runnable_type is_runnable = t->is_runnable(this); + if (is_runnable == Task::IS_RUNNABLE) + return t; + + if (is_runnable != Task::IS_BLOCKED) + *all_blocked = false; + + tasks.push_back(t); + + if (t == tlast) + { + // We couldn't find any runnable task. If there are any + // completed tasks, free their locks and try again. + + { + Hold_lock hl2(this->completed_lock_); + + if (!this->clear_completed()) + { + // There had better be some tasks running, or we will + // never find a runnable task. + assert(this->running_ > 0); + + // We couldn't find any runnable tasks, and we + // couldn't release any locks. + return NULL; + } + } + + // We're going around again, so recompute ALL_BLOCKED. + *all_blocked = true; + } + } +} + +// Process all the tasks on the workqueue. This is the main loop in +// the linker. Note that as we process tasks, new tasks will be +// added. + +void +Workqueue::process() +{ + while (true) + { + Task* t; + bool empty; + bool all_blocked; + + { + Hold_lock hl(this->tasks_lock_); + + if (this->tasks_.empty()) + { + t = NULL; + empty = true; + all_blocked = false; + } + else + { + t = this->find_runnable(this->tasks_, &all_blocked); + empty = false; + } + } + + // If T != NULL, it is a task we can run. + // If T == NULL && empty, then there are no tasks waiting to + // be run at this level. + // If T == NULL && !empty, then there tasks waiting to be + // run at this level, but they are waiting for something to + // unlock. + + if (t != NULL) + this->run(t); + else if (!empty) + { + { + Hold_lock hl(this->completed_lock_); + + // There must be something for us to wait for, or we won't + // be able to make progress. + assert(this->running_ > 0 || !this->completed_.empty()); + + if (all_blocked) + { + this->cleared_blockers_ = 0; + this->clear_completed(); + while (this->cleared_blockers_ == 0) + { + assert(this->running_ > 0); + this->completed_condvar_.wait(); + this->clear_completed(); + } + } + else + { + if (this->running_ > 0) + { + // Wait for a task to finish. + this->completed_condvar_.wait(); + } + this->clear_completed(); + } + } + } + else + { + { + Hold_lock hl(this->completed_lock_); + + // If there are no running tasks, then we are done. + if (this->running_ == 0) + { + this->clear_completed(); + return; + } + + // Wait for a task to finish. Then we have to loop around + // again in case it added any new tasks before finishing. + this->completed_condvar_.wait(); + this->clear_completed(); + } + } + } +} + +// Run a task. This is always called in the main thread. + +void +Workqueue::run(Task* t) +{ + ++this->running_; + this->runner_->run(t, t->locks(this)); +} + +// This is called when a task is completed to put the locks on the +// list to be released. We use a list because we only want the locks +// to be released in the main thread. + +void +Workqueue::completed(Task* t, Task_locker* tl) +{ + { + Hold_lock hl(this->completed_lock_); + assert(this->running_ > 0); + --this->running_; + this->completed_.push_back(tl); + this->completed_condvar_.signal(); + } + delete t; +} + +// This is called when the last task for a blocker has completed. +// This is always called in the main thread. + +void +Workqueue::cleared_blocker() +{ + ++this->cleared_blockers_; +} + +} // End namespace gold. diff --git a/gold/workqueue.h b/gold/workqueue.h new file mode 100644 index 00000000000..5949cf5f439 --- /dev/null +++ b/gold/workqueue.h @@ -0,0 +1,336 @@ +// workqueue.h -- the work queue for gold -*- C++ -*- + +// After processing the command line, everything the linker does is +// driven from a work queue. This permits us to parallelize the +// linker where possible. + +// Task_token +// A simple locking implementation to ensure proper task ordering. +// Task_read_token, Task_write_token +// Lock a Task_token for read or write. +// Task_locker +// Task locking using RAII. +// Task +// An abstract class for jobs to run. + +#ifndef GOLD_WORKQUEUE_H +#define GOLD_WORKQUEUE_H + +#include "gold-threads.h" +#include "options.h" +#include "fileread.h" + +namespace gold +{ + +class Task; +class Workqueue; + +// Some tasks require access to shared data structures, such as the +// symbol table. Some tasks must be executed in a particular error, +// such as reading input file symbol tables--if we see foo.o -llib, we +// have to read the symbols for foo.o before we read the ones for +// -llib. To implement this safely and efficiently, we use tokens. +// Task_tokens support shared read/exclusive write access to some +// resource. Alternatively, they support blockers: blockers implement +// the requirement that some set of tasks must complete before another +// set of tasks can start. In such a case we increment the block +// count when we create the task, and decrement it when the task +// completes. Task_tokens are only manipulated by the main thread, so +// they do not themselves require any locking. + +class Task_token +{ + public: + Task_token(); + + ~Task_token(); + + // A read/write token uses these methods. + + bool + is_readable() const; + + void + add_reader(); + + void + remove_reader(); + + bool + is_writable() const; + + void + add_writer(const Task*); + + void + remove_writer(const Task*); + + bool + has_write_lock(const Task*); + + // A blocker token uses these methods. + + void + add_blocker(); + + // Returns true if block count drops to zero. + bool + remove_blocker(); + + bool + is_blocked() const; + + private: + // It makes no sense to copy these. + Task_token(const Task_token&); + Task_token& operator=(const Task_token&); + + bool is_blocker_; + int readers_; + const Task* writer_; +}; + +// In order to support tokens more reliably, we provide objects which +// handle them using RAII. + +class Task_read_token +{ + public: + Task_read_token(Task_token& token) + : token_(token) + { this->token_.add_reader(); } + + ~Task_read_token() + { this->token_.remove_reader(); } + + private: + Task_read_token(const Task_read_token&); + Task_read_token& operator=(const Task_read_token&); + + Task_token& token_; +}; + +class Task_write_token +{ + public: + Task_write_token(Task_token& token, const Task* task) + : token_(token), task_(task) + { this->token_.add_writer(this->task_); } + + ~Task_write_token() + { this->token_.remove_writer(this->task_); } + + private: + Task_write_token(const Task_write_token&); + Task_write_token& operator=(const Task_write_token&); + + Task_token& token_; + const Task* task_; +}; + +class Task_block_token +{ + public: + // The blocker count must be incremented when the task is created. + // This object is created when the task is run. When we unblock the + // last task, we notify the workqueue. + Task_block_token(Task_token& token, Workqueue* workqueue); + ~Task_block_token(); + + private: + Task_block_token(const Task_block_token&); + Task_block_token& operator=(const Task_block_token&); + + Task_token& token_; + Workqueue* workqueue_; +}; + +// An abstract class used to lock Task_tokens using RAII. A typical +// implementation would simply have a set of members of type +// Task_read_token, Task_write_token, and Task_block_token. + +class Task_locker +{ + public: + Task_locker() + { } + + virtual ~Task_locker() + { } +}; + +// A version of Task_locker which may be used for a single read lock. + +class Task_locker_read : public Task_locker +{ + public: + Task_locker_read(Task_token& token) + : read_token_(token) + { } + + private: + Task_locker_read(const Task_locker_read&); + Task_locker_read& operator=(const Task_locker_read&); + + Task_read_token read_token_; +}; + +// A version of Task_locker which may be used for a single write lock. + +class Task_locker_write : public Task_locker +{ + public: + Task_locker_write(Task_token& token, const Task* task) + : write_token_(token, task) + { } + + private: + Task_locker_write(const Task_locker_write&); + Task_locker_write& operator=(const Task_locker_write&); + + Task_write_token write_token_; +}; + +// A version of Task_locker which may be used for a single blocker +// lock. + +class Task_locker_block : public Task_locker +{ + public: + Task_locker_block(Task_token& token, Workqueue* workqueue) + : block_token_(token, workqueue) + { } + + private: + Task_locker_block(const Task_locker_block&); + Task_locker_block& operator=(const Task_locker_block&); + + Task_block_token block_token_; +}; + +// A version of Task_locker which may be used to hold a lock on a +// File_read. + +class Task_locker_file : public Task_locker +{ + public: + Task_locker_file(File_read& file) + : file_lock_(file) + { } + + private: + Task_locker_file(const Task_locker_file&); + Task_locker_file& operator=(const Task_locker_file&); + + File_read_lock file_lock_; +}; + +// The superclass for tasks to be placed on the workqueue. Each +// specific task class will inherit from this one. + +class Task +{ + public: + Task() + { } + virtual ~Task() + { } + + // Type returned by Is_runnable. + enum Is_runnable_type + { + // Task is runnable. + IS_RUNNABLE, + // Task is waiting for a block to clear. + IS_BLOCKED, + // Task is not waiting for a block, but is not runnable--i.e., is + // waiting for a lock. + IS_LOCKED + }; + + // Return whether the task can be run now. This method is only + // called from the main thread. + virtual Is_runnable_type + is_runnable(Workqueue*) = 0; + + // Return a pointer to a Task_locker which locks all the resources + // required by the task. We delete the pointer when the task is + // complete. This method can return NULL if no locks are required. + // This method is only called from the main thread. + virtual Task_locker* + locks(Workqueue*) = 0; + + // Run the task. + virtual void + run(Workqueue*) = 0; +}; + +// The workqueue + +class Workqueue_runner; + +class Workqueue +{ + public: + Workqueue(const General_options&); + ~Workqueue(); + + // Add a new task to the work queue. + void + queue(Task*); + + // Process all the tasks on the work queue. + void + process(); + + // A complete set of blocking tasks has completed. + void + cleared_blocker(); + + private: + // This class can not be copied. + Workqueue(const Workqueue&); + Workqueue& operator=(const Workqueue&); + + typedef std::list Task_list; + + // Run a task. + void run(Task*); + + friend class Workqueue_runner; + + // Find a runnable task. + Task* find_runnable(Task_list&, bool*); + + // Add a lock to the completed queue. + void completed(Task*, Task_locker*); + + // Clear the completed queue. + bool clear_completed(); + + // How to run a task. Only accessed from main thread. + Workqueue_runner* runner_; + + // Lock for access to tasks_ members. + Lock tasks_lock_; + // List of tasks to execute at each link level. + Task_list tasks_; + + // Lock for access to completed_ and running_ members. + Lock completed_lock_; + // List of Task_locker objects for main thread to free. + std::list completed_; + // Number of tasks currently running. + int running_; + // Condition variable signalled when a new entry is added to completed_. + Condvar completed_condvar_; + + // Number of blocker tokens which were fully cleared. Only accessed + // from main thread. + int cleared_blockers_; +}; + +} // End namespace gold. + +#endif // !defined(GOLD_WORKQUEUE_H) -- 2.30.2