X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Fconfigure.ac;h=9e19e9927fd1b56e24199189cc8e4df505855b73;hb=ceb17928e5d1d5f89636699f13cc3bde6e19644c;hp=a89e21df8a85219c76d15d0cf1223db3b1e38fd5;hpb=e4bf5dfca15ad68c3c9224e967216a6ff7501f84;p=gcc.git diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac index a89e21df8a8..9e19e9927fd 100644 --- a/libstdc++-v3/configure.ac +++ b/libstdc++-v3/configure.ac @@ -1,8 +1,8 @@ # Process this file with autoreconf to produce a configure script. -AC_PREREQ(2.59) +AC_PREREQ(2.64) AC_INIT(package-unused, version-unused,, libstdc++) -AC_CONFIG_SRCDIR(src/ios.cc) +AC_CONFIG_SRCDIR(src/shared/hashtable-aux.cc) AC_CONFIG_HEADER(config.h) # This works around the fact that libtool configuration may change LD @@ -11,10 +11,6 @@ AC_CONFIG_HEADER(config.h) # exported. Only used at the end of this file. ### am handles this now? ORIGINAL_LD_FOR_MULTILIBS=$LD -# For libtool versioning info, format is CURRENT:REVISION:AGE -libtool_VERSION=6:10:0 -AC_SUBST(libtool_VERSION) - # Find the rest of the source tree framework. AM_ENABLE_MULTILIB(, ..) @@ -72,31 +68,98 @@ fi # foreign: we don't follow the normal rules for GNU packages (no COPYING # file in the top srcdir, etc, etc), so stop complaining. # no-dependencies: turns off auto dependency generation (just for now) +# no-dist: we don't want 'dist' and related rules. # -Wall: turns on all automake warnings... # -Wno-portability: ...except this one, since GNU make is now required. -AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dependencies -Wall -Wno-portability -Wno-override]) +AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dependencies no-dist -Wall -Wno-portability -Wno-override]) AH_TEMPLATE(PACKAGE, [Name of package]) AH_TEMPLATE(VERSION, [Version number of package]) -# Runs configure.host, finds CC, CXX, and assorted other critical bits. Sets +# -fno-builtin must be present here so that a non-conflicting form of +# std::exit can be guessed by AC_PROG_CXX, and used in later tests. + +save_CXXFLAGS="$CXXFLAGS" +CXXFLAGS="$CXXFLAGS -fno-builtin" +AC_PROG_CC +AC_PROG_CXX +CXXFLAGS="$save_CXXFLAGS" + +# Runs configure.host, and assorted other critical bits. Sets # up critical shell variables. GLIBCXX_CONFIGURE -AC_LIBTOOL_DLOPEN +# Libtool setup. +if test "x${with_newlib}" != "xyes"; then + AC_LIBTOOL_DLOPEN +fi AM_PROG_LIBTOOL +ACX_LT_HOST_FLAGS AC_SUBST(enable_shared) AC_SUBST(enable_static) +if test "$enable_vtable_verify" = yes; then + predep_objects_CXX="${predep_objects_CXX} ${glibcxx_builddir}/../libgcc/vtv_start.o" + postdep_objects_CXX="${postdep_objects_CXX} ${glibcxx_builddir}/../libgcc/vtv_end.o" +fi + + +# libtool variables for C++ shared and position-independent compiles. +# +# Use glibcxx_lt_pic_flag to designate the automake variable +# used to encapsulate the default libtool approach to creating objects +# with position-independent code. Default: -prefer-pic. +# +# Use glibcxx_compiler_shared_flag to designate a compile-time flags for +# creating shared objects. Default: -D_GLIBCXX_SHARED. +# +# Use glibcxx_compiler_pic_flag to designate a compile-time flags for +# creating position-independent objects. This varies with the target +# hardware and operating system, but is often: -DPIC -fPIC. +if test "$enable_shared" = yes; then + glibcxx_lt_pic_flag="-prefer-pic" + glibcxx_compiler_pic_flag="$lt_prog_compiler_pic_CXX" + glibcxx_compiler_shared_flag="-D_GLIBCXX_SHARED" + +else + glibcxx_lt_pic_flag= + glibcxx_compiler_pic_flag= + glibcxx_compiler_shared_flag= +fi +AC_SUBST(glibcxx_lt_pic_flag) +AC_SUBST(glibcxx_compiler_pic_flag) +AC_SUBST(glibcxx_compiler_shared_flag) + +# Override the libtool's pic_flag and pic_mode. +# Do this step after AM_PROG_LIBTOOL, but before AC_OUTPUT. +# NB: this impacts --with-pic and --without-pic. +lt_prog_compiler_pic_CXX="$glibcxx_compiler_pic_flag $glibcxx_compiler_shared_flag" +pic_mode='default' + +# Eliminate -lstdc++ addition to postdeps for cross compiles. +postdeps_CXX=`echo " $postdeps_CXX " | sed 's, -lstdc++ ,,g'` + # Possibly disable most of the library. ## TODO: Consider skipping unncessary tests altogether in this case, rather ## than just ignoring the results. Faster /and/ more correct, win win. GLIBCXX_ENABLE_HOSTED +# Enable descriptive messages to standard output on termination. +GLIBCXX_ENABLE_VERBOSE + # Enable compiler support that doesn't require linking. -GLIBCXX_ENABLE_SJLJ_EXCEPTIONS GLIBCXX_ENABLE_PCH($is_hosted) +GLIBCXX_ENABLE_THREADS +GLIBCXX_ENABLE_ATOMIC_BUILTINS +GLIBCXX_ENABLE_DECIMAL_FLOAT +GLIBCXX_ENABLE_INT128_FLOAT128 +if test "$enable_float128" = yes; then + port_specific_symbol_files="$port_specific_symbol_files \$(top_srcdir)/config/abi/pre/float128.ver" +fi -# Enable all the variable C++ runtime options that doesn't require linking. +# Checks for compiler support that doesn't require linking. +GLIBCXX_CHECK_COMPILER_FEATURES + +# Enable all the variable C++ runtime options that don't require linking. GLIBCXX_ENABLE_CSTDIO GLIBCXX_ENABLE_CLOCALE GLIBCXX_ENABLE_ALLOCATOR @@ -105,84 +168,94 @@ GLIBCXX_ENABLE_LONG_LONG([yes]) GLIBCXX_ENABLE_WCHAR_T([yes]) GLIBCXX_ENABLE_C99([yes]) GLIBCXX_ENABLE_CONCEPT_CHECKS([no]) -GLIBCXX_ENABLE_DEBUG_FLAGS(["-g3 -O0"]) +GLIBCXX_ENABLE_DEBUG_FLAGS(["-gdwarf-4 -g3 -O0"]) GLIBCXX_ENABLE_DEBUG([no]) +GLIBCXX_ENABLE_PARALLEL([yes]) GLIBCXX_ENABLE_CXX_FLAGS GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no]) - -# Checks for operating systems support that don't require linking. +GLIBCXX_ENABLE_EXTERN_TEMPLATE([yes]) +GLIBCXX_ENABLE_PYTHON +GLIBCXX_ENABLE_WERROR([yes]) +GLIBCXX_ENABLE_VTABLE_VERIFY([no]) + +# Checks for operating systems support that doesn't require linking. +GLIBCXX_CHECK_STDIO_PROTO +GLIBCXX_CHECK_MATH11_PROTO GLIBCXX_CHECK_SYSTEM_ERROR +GLIBCXX_CHECK_UCHAR_H -# No surprises, no surprises... -GLIBCXX_ENABLE_THREADS -GLIBCXX_ENABLE_ATOMIC_BUILTINS -if test $atomicity_dir = cpu/generic/atomicity_mutex ; then - AC_MSG_WARN([No native atomic operations are provided for this platform.]) - if test $target_thread_file = single; then - AC_MSG_WARN([They cannot be faked when thread support is disabled.]) - AC_MSG_WARN([Thread-safety of certain classes is not guaranteed.]) - else - AC_MSG_WARN([They will be faked using a mutex.]) - AC_MSG_WARN([Performance of certain classes will degrade as a result.]) - fi -fi +# For the streamoff typedef. +GLIBCXX_CHECK_INT64_T -GLIBCXX_CHECK_COMPILER_FEATURES +# For LFS support. +GLIBCXX_CHECK_LFS -if $GLIBCXX_IS_NATIVE; then +# For showmanyc_helper(). +AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h) +GLIBCXX_CHECK_POLL +GLIBCXX_CHECK_S_ISREG_OR_S_IFREG - # We can do more elaborate tests that assume a working linker. - CANADIAN=no +# For xsputn_2(). +AC_CHECK_HEADERS(sys/uio.h) +GLIBCXX_CHECK_WRITEV - # Check for available headers. - AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h machine/endian.h \ - machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h gconv.h \ - sys/types.h sys/ipc.h sys/sem.h]) +# Check for fenv.h and complex.h before GLIBCXX_CHECK_C99_TR1 +# so that the check is done with the C compiler (not C++). +# Checking with C++ can break a canadian cross build if either +# file does not exist in C but does in C++. +AC_CHECK_HEADERS(fenv.h complex.h) - GLIBCXX_CHECK_LINKER_FEATURES - GLIBCXX_CHECK_MATH_SUPPORT - GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT - GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT - GLIBCXX_CHECK_STDLIB_SUPPORT +# For C99 support to TR1. +GLIBCXX_CHECK_C99_TR1 - # For showmanyc_helper(). - AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h) - GLIBCXX_CHECK_POLL - GLIBCXX_CHECK_S_ISREG_OR_S_IFREG +# For the EOF, SEEK_CUR, and SEEK_END integer constants. +GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS - # For xsputn_2(). - AC_CHECK_HEADERS(sys/uio.h) - GLIBCXX_CHECK_WRITEV +# For gettimeofday support. +GLIBCXX_CHECK_GETTIMEOFDAY - # For the __streamoff_base_type typedef. - GLIBCXX_CHECK_INT64_T +# For clock_gettime, nanosleep and sched_yield support. +GLIBCXX_ENABLE_LIBSTDCXX_TIME - # For LFS support. - GLIBCXX_CHECK_LFS +# Check for tmpnam which is obsolescent in POSIX.1-2008 +GLIBCXX_CHECK_TMPNAM - # For C99 support to TR1. - GLIBCXX_CHECK_C99_TR1 +AC_LC_MESSAGES - # For dev/random and dev/urandom for TR1. - GLIBCXX_CHECK_RANDOM_TR1 +# For hardware_concurrency +AC_CHECK_HEADERS(sys/sysinfo.h) +GLIBCXX_CHECK_GET_NPROCS +AC_CHECK_HEADERS(unistd.h) +GLIBCXX_CHECK_SC_NPROCESSORS_ONLN +GLIBCXX_CHECK_SC_NPROC_ONLN +GLIBCXX_CHECK_PTHREADS_NUM_PROCESSORS_NP +GLIBCXX_CHECK_SYSCTL_HW_NCPU +GLIBCXX_CHECK_SDT_H - # For TLS support. - GCC_CHECK_TLS +# Check for available headers. +AC_CHECK_HEADERS([endian.h execinfo.h float.h fp.h ieeefp.h inttypes.h \ +locale.h machine/endian.h machine/param.h nan.h stdint.h stdlib.h string.h \ +strings.h sys/ipc.h sys/isa_defs.h sys/machine.h sys/param.h \ +sys/resource.h sys/sem.h sys/stat.h sys/time.h sys/types.h unistd.h \ +wchar.h wctype.h]) + +# Only do link tests if native. Else, hardcode. +if $GLIBCXX_IS_NATIVE; then + + # We can do more elaborate tests that assume a working linker. + CANADIAN=no - # For _Unwind_GetIPInfo. - GCC_CHECK_UNWIND_GETIPINFO + GLIBCXX_CHECK_LINKER_FEATURES + GLIBCXX_CHECK_MATH_SUPPORT + GLIBCXX_CHECK_STDLIB_SUPPORT - AC_LC_MESSAGES + # For /dev/random and /dev/urandom for TR1. + GLIBCXX_CHECK_RANDOM_TR1 - AC_TRY_COMPILE( - [#include ], - [sigjmp_buf env; - while (! sigsetjmp (env, 1)) - siglongjmp (env, 1); - ], - [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available.])]) + # For TLS support. + GCC_CHECK_TLS - AC_FUNC_MMAP + AC_CHECK_FUNCS(__cxa_thread_atexit_impl) # For iconv support. AM_ICONV @@ -215,7 +288,6 @@ else fi # Construct crosses by hand, eliminating bits that need ld... - # GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT # GLIBCXX_CHECK_MATH_SUPPORT # First, test for "known" system libraries. We may be using newlib even @@ -225,17 +297,13 @@ else AC_DEFINE(HAVE_HYPOT) # GLIBCXX_CHECK_STDLIB_SUPPORT - AC_DEFINE(HAVE_STRTOF) - # AC_FUNC_MMAP - AC_DEFINE(HAVE_MMAP) + AC_DEFINE(HAVE_STRTOF) AC_DEFINE(HAVE_ACOSF) AC_DEFINE(HAVE_ASINF) AC_DEFINE(HAVE_ATAN2F) AC_DEFINE(HAVE_ATANF) AC_DEFINE(HAVE_CEILF) - AC_DEFINE(HAVE_COPYSIGN) - AC_DEFINE(HAVE_COPYSIGNF) AC_DEFINE(HAVE_COSF) AC_DEFINE(HAVE_COSHF) AC_DEFINE(HAVE_EXPF) @@ -254,9 +322,6 @@ else AC_DEFINE(HAVE_TANF) AC_DEFINE(HAVE_TANHF) - AC_DEFINE(HAVE_S_ISREG) - AC_DEFINE(HAVE_S_IFREG) - AC_DEFINE(HAVE_ICONV) else GLIBCXX_CROSSCONFIG @@ -271,7 +336,6 @@ else AC_DEFINE(HAVE_ATAN2L) AC_DEFINE(HAVE_ATANL) AC_DEFINE(HAVE_CEILL) - AC_DEFINE(HAVE_COPYSIGNL) AC_DEFINE(HAVE_COSL) AC_DEFINE(HAVE_COSHL) AC_DEFINE(HAVE_EXPL) @@ -291,20 +355,26 @@ else AC_DEFINE(HAVE_TANL) AC_DEFINE(HAVE_TANHL) fi +fi - # Assume we have _Unwind_GetIPInfo for cross-compiles. - AC_DEFINE(HAVE_GETIPINFO) +# Check for _Unwind_GetIPInfo. +GCC_CHECK_UNWIND_GETIPINFO -fi +GCC_LINUX_FUTEX([AC_DEFINE(HAVE_LINUX_FUTEX, 1, [Define if futex syscall is available.])]) + +GCC_HEADER_STDINT(include/gstdint.h) -# This depends on GLIBCXX CHECK_LINKER_FEATURES, but without it assumes no. GLIBCXX_ENABLE_SYMVERS([yes]) -GLIBCXX_ENABLE_VISIBILITY([yes]) +AC_SUBST(libtool_VERSION) + +GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY([yes]) + +GLIBCXX_ENABLE_LIBSTDCXX_DUAL_ABI([yes]) +GLIBCXX_DEFAULT_ABI ac_ldbl_compat=no case "$target" in powerpc*-*-linux* | \ - powerpc*-*-gnu* | \ sparc*-*-linux* | \ s390*-*-linux* | \ alpha*-*-linux*) @@ -321,31 +391,98 @@ case "$target" in esac GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_COMPAT, test $ac_ldbl_compat = yes) +# Check if assembler supports disabling hardware capability support. +GLIBCXX_CHECK_ASSEMBLER_HWCAP + +# Check if assembler supports rdrand opcode. +GLIBCXX_CHECK_X86_RDRAND + # This depends on GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE. GLIBCXX_CONFIGURE_TESTSUITE +# For gthread support. Depends on GLIBCXX_ENABLE_SYMVERS. +GLIBCXX_CHECK_GTHREADS + +# For Filesystem TS. +AC_CHECK_HEADERS([fcntl.h dirent.h sys/statvfs.h utime.h]) +GLIBCXX_ENABLE_FILESYSTEM_TS +GLIBCXX_CHECK_FILESYSTEM_DEPS + +# For Transactional Memory TS +GLIBCXX_CHECK_SIZE_T_MANGLING + +# Define documentation rules conditionally. + +# See if makeinfo has been installed and is modern enough +# that we can use it. +ACX_CHECK_PROG_VER([MAKEINFO], [makeinfo], [--version], + [GNU texinfo.* \([0-9][0-9.]*\)], + [4.[4-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*]) +AM_CONDITIONAL(BUILD_INFO, test $gcc_cv_prog_makeinfo_modern = "yes") + +# Check for doxygen +AC_CHECK_PROG([DOXYGEN], doxygen, yes, no) +AC_CHECK_PROG([DOT], dot, yes, no) + +# Check for docbook +AC_CHECK_PROG([XSLTPROC], xsltproc, yes, no) +AC_CHECK_PROG([XMLLINT], xmllint, yes, no) +GLIBCXX_CONFIGURE_DOCBOOK + +# Check for xml/html dependencies. +AM_CONDITIONAL(BUILD_XML, + test $ac_cv_prog_DOXYGEN = "yes" && + test $ac_cv_prog_DOT = "yes" && + test $ac_cv_prog_XSLTPROC = "yes" && + test $ac_cv_prog_XMLLINT = "yes" && + test $glibcxx_stylesheets = "yes") + +AM_CONDITIONAL(BUILD_HTML, + test $ac_cv_prog_DOXYGEN = "yes" && + test $ac_cv_prog_DOT = "yes" && + test $ac_cv_prog_XSLTPROC = "yes" && + test $ac_cv_prog_XMLLINT = "yes" && + test $glibcxx_stylesheets = "yes") + +# Check for man dependencies. +AM_CONDITIONAL(BUILD_MAN, + test $ac_cv_prog_DOXYGEN = "yes" && + test $ac_cv_prog_DOT = "yes") + +# Check for pdf dependencies. +AC_CHECK_PROG([DBLATEX], dblatex, yes, no) +AC_CHECK_PROG([PDFLATEX], pdflatex, yes, no) +AM_CONDITIONAL(BUILD_PDF, + test $ac_cv_prog_DBLATEX = "yes" && + test $ac_cv_prog_PDFLATEX = "yes") + + # Propagate the target-specific source directories through the build chain. ATOMICITY_SRCDIR=config/${atomicity_dir} ATOMIC_WORD_SRCDIR=config/${atomic_word_dir} +ATOMIC_FLAGS=${atomic_flags} CPU_DEFINES_SRCDIR=config/${cpu_defines_dir} OS_INC_SRCDIR=config/${os_include_dir} ERROR_CONSTANTS_SRCDIR=config/${error_constants_dir} ABI_TWEAKS_SRCDIR=config/${abi_tweaks_dir} +CPU_OPT_EXT_RANDOM=config/${cpu_opt_ext_random} +CPU_OPT_BITS_RANDOM=config/${cpu_opt_bits_random} AC_SUBST(ATOMICITY_SRCDIR) AC_SUBST(ATOMIC_WORD_SRCDIR) +AC_SUBST(ATOMIC_FLAGS) AC_SUBST(CPU_DEFINES_SRCDIR) AC_SUBST(ABI_TWEAKS_SRCDIR) AC_SUBST(OS_INC_SRCDIR) AC_SUBST(ERROR_CONSTANTS_SRCDIR) +AC_SUBST(CPU_OPT_EXT_RANDOM) +AC_SUBST(CPU_OPT_BITS_RANDOM) # Determine cross-compile flags and AM_CONDITIONALs. #AC_SUBST(GLIBCXX_IS_NATIVE) #AM_CONDITIONAL(CANADIAN, test $CANADIAN = yes) -# from GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT: -#AM_CONDITIONAL(GLIBCXX_BUILD_LIBMATH, test $need_libmath = yes) GLIBCXX_EVALUATE_CONDITIONALS - + AC_CACHE_SAVE if test ${multilib} = yes; then @@ -361,55 +498,37 @@ GLIBCXX_EXPORT_INSTALL_INFO GLIBCXX_EXPORT_INCLUDES GLIBCXX_EXPORT_FLAGS -if test "$enable_shared" = yes; then - LIBSUPCXX_PICFLAGS="-prefer-pic" -else - LIBSUPCXX_PICFLAGS= -fi -AC_SUBST(LIBSUPCXX_PICFLAGS) - dnl In autoconf 2.5x, AC_OUTPUT is replaced by four AC_CONFIG_* macros, dnl which can all be called multiple times as needed, plus one (different) dnl AC_OUTPUT macro. This one lists the files to be created: -AC_CONFIG_FILES( \ - Makefile \ - AC_FOREACH([DIR], glibcxx_SUBDIRS, [DIR/Makefile ]) - ) +AC_CONFIG_FILES(Makefile) AC_CONFIG_FILES([scripts/testsuite_flags],[chmod +x scripts/testsuite_flags]) - -dnl These commands are run at the end of config.status: -AC_CONFIG_COMMANDS([default], -[if test -n "$CONFIG_FILES"; then - # Multilibs need MULTISUBDIR defined correctly in certain makefiles so - # that multilib installs will end up installed in the correct place. - # The testsuite needs it for multilib-aware ABI baseline files. - # To work around this not being passed down from config-ml.in -> - # srcdir/Makefile.am -> srcdir/{src,libsupc++,...}/Makefile.am, manually - # append it here. Only modify Makefiles that have just been created. - # - # Also, get rid of this simulated-VPATH thing that automake does. - cat > vpsed << \_EOF +AC_CONFIG_FILES([scripts/extract_symvers],[chmod +x scripts/extract_symvers]) +AC_CONFIG_FILES([doc/xsl/customization.xsl]) + +# Multilibs need MULTISUBDIR defined correctly in certain makefiles so +# that multilib installs will end up installed in the correct place. +# The testsuite needs it for multilib-aware ABI baseline files. +# To work around this not being passed down from config-ml.in -> +# srcdir/Makefile.am -> srcdir/{src,libsupc++,...}/Makefile.am, manually +# append it here. Only modify Makefiles that have just been created. +# +# Also, get rid of this simulated-VPATH thing that automake does. +AC_CONFIG_FILES(AC_FOREACH([DIR], glibcxx_SUBDIRS, [DIR/Makefile ]), + [cat > vpsed$$ << \_EOF s!`test -f '$<' || echo '$(srcdir)/'`!! _EOF - for i in $SUBDIRS; do - case $CONFIG_FILES in - *${i}/Makefile*) - #echo "Adding MULTISUBDIR to $i/Makefile" - sed -f vpsed $i/Makefile > tmp - grep '^MULTISUBDIR =' Makefile >> tmp - mv tmp $i/Makefile - ;; - esac - done - rm vpsed - fi - (cd include && ${MAKE-make}) -], -[ -# Variables needed in config.status (file generation) which aren't already -# passed by autoconf. -SUBDIRS="$SUBDIRS" + sed -f vpsed$$ $ac_file > tmp$$ + mv tmp$$ $ac_file + rm vpsed$$ + echo 'MULTISUBDIR =' >> $ac_file + ml_norecursion=yes + . ${multi_basedir}/config-ml.in + AS_UNSET([ml_norecursion]) ]) +AC_CONFIG_COMMANDS([generate-headers], + [(cd include && ${MAKE-make} pch_build= )]) + dnl And this actually makes things happen: AC_OUTPUT