From: Gustavo Zacarias Date: Thu, 17 Jul 2014 11:34:16 +0000 (-0300) Subject: gcc: bump 4.9.x series to version 4.9.1 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=00bf63600ed45643decd0a0dd21006af4b9b838a;p=buildroot.git gcc: bump 4.9.x series to version 4.9.1 Signed-off-by: Gustavo Zacarias Signed-off-by: Thomas Petazzoni --- diff --git a/package/gcc/4.9.0/100-uclibc-conf.patch b/package/gcc/4.9.0/100-uclibc-conf.patch deleted file mode 100644 index d56bf0a194..0000000000 --- a/package/gcc/4.9.0/100-uclibc-conf.patch +++ /dev/null @@ -1,15 +0,0 @@ -Index: gcc-4.8.0/contrib/regression/objs-gcc.sh -=================================================================== ---- gcc-4.8.0.orig/contrib/regression/objs-gcc.sh 2009-04-09 17:00:19.000000000 +0200 -+++ gcc-4.8.0/contrib/regression/objs-gcc.sh 2013-03-23 17:39:04.000000000 +0100 -@@ -106,6 +106,10 @@ - then - make all-gdb all-dejagnu all-ld || exit 1 - make install-gdb install-dejagnu install-ld || exit 1 -+elif [ $H_REAL_TARGET = $H_REAL_HOST -a $H_REAL_TARGET = i686-pc-linux-uclibc ] -+ then -+ make all-gdb all-dejagnu all-ld || exit 1 -+ make install-gdb install-dejagnu install-ld || exit 1 - elif [ $H_REAL_TARGET = $H_REAL_HOST ] ; then - make bootstrap || exit 1 - make install || exit 1 diff --git a/package/gcc/4.9.0/301-missing-execinfo_h.patch b/package/gcc/4.9.0/301-missing-execinfo_h.patch deleted file mode 100644 index 00efda24aa..0000000000 --- a/package/gcc/4.9.0/301-missing-execinfo_h.patch +++ /dev/null @@ -1,13 +0,0 @@ -Index: gcc-4.8.0/boehm-gc/include/gc.h -=================================================================== ---- gcc-4.8.0.orig/boehm-gc/include/gc.h 2007-04-23 23:10:09.000000000 +0200 -+++ gcc-4.8.0/boehm-gc/include/gc.h 2013-03-23 17:39:20.000000000 +0100 -@@ -503,7 +503,7 @@ - #if defined(__linux__) || defined(__GLIBC__) - # include - # if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1 || __GLIBC__ > 2) \ -- && !defined(__ia64__) -+ && !defined(__ia64__) && !defined(__UCLIBC__) - # ifndef GC_HAVE_BUILTIN_BACKTRACE - # define GC_HAVE_BUILTIN_BACKTRACE - # endif diff --git a/package/gcc/4.9.0/302-c99-snprintf.patch b/package/gcc/4.9.0/302-c99-snprintf.patch deleted file mode 100644 index cd4d2ccfb6..0000000000 --- a/package/gcc/4.9.0/302-c99-snprintf.patch +++ /dev/null @@ -1,13 +0,0 @@ -Index: gcc-4.8.0/libstdc++-v3/include/c_global/cstdio -=================================================================== ---- gcc-4.8.0.orig/libstdc++-v3/include/c_global/cstdio 2013-02-03 18:54:05.000000000 +0100 -+++ gcc-4.8.0/libstdc++-v3/include/c_global/cstdio 2013-03-23 17:39:32.000000000 +0100 -@@ -138,7 +138,7 @@ - using ::vsprintf; - } // namespace - --#if _GLIBCXX_USE_C99 -+#if _GLIBCXX_USE_C99 || defined __UCLIBC__ - - #undef snprintf - #undef vfscanf diff --git a/package/gcc/4.9.0/810-arm-softfloat-libgcc.patch b/package/gcc/4.9.0/810-arm-softfloat-libgcc.patch deleted file mode 100644 index c8cb377d55..0000000000 --- a/package/gcc/4.9.0/810-arm-softfloat-libgcc.patch +++ /dev/null @@ -1,30 +0,0 @@ -Index: gcc-4.8.0/gcc/config/arm/linux-elf.h -=================================================================== ---- gcc-4.8.0.orig/gcc/config/arm/linux-elf.h 2013-01-10 21:38:27.000000000 +0100 -+++ gcc-4.8.0/gcc/config/arm/linux-elf.h 2013-03-23 17:40:00.000000000 +0100 -@@ -55,7 +55,7 @@ - %{shared:-lc} \ - %{!shared:%{profile:-lc_p}%{!profile:-lc}}" - --#define LIBGCC_SPEC "%{mfloat-abi=soft*:-lfloat} -lgcc" -+#define LIBGCC_SPEC "-lgcc" - - #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" - -Index: gcc-4.8.0/libgcc/config/arm/t-linux -=================================================================== ---- gcc-4.8.0.orig/libgcc/config/arm/t-linux 2012-03-22 16:14:46.000000000 +0100 -+++ gcc-4.8.0/libgcc/config/arm/t-linux 2013-03-23 17:40:54.000000000 +0100 -@@ -1,6 +1,11 @@ - LIB1ASMSRC = arm/lib1funcs.S - LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx _clzsi2 _clzdi2 \ -- _ctzsi2 _arm_addsubdf3 _arm_addsubsf3 -+ _ctzsi2 _arm_addsubdf3 _arm_addsubsf3 \ -+ _arm_addsubdf3 _arm_addsubsf3 \ -+ _arm_negdf2 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \ -+ _arm_fixdfsi _arm_fixunsdfsi _arm_truncdfsf2 \ -+ _arm_negsf2 _arm_muldivsf3 _arm_cmpsf2 _arm_unordsf2 \ -+ _arm_fixsfsi _arm_fixunssfsi - - # Just for these, we omit the frame pointer since it makes such a big - # difference. diff --git a/package/gcc/4.9.0/830-arm_unbreak_armv4t.patch b/package/gcc/4.9.0/830-arm_unbreak_armv4t.patch deleted file mode 100644 index 37f8f2a54d..0000000000 --- a/package/gcc/4.9.0/830-arm_unbreak_armv4t.patch +++ /dev/null @@ -1,13 +0,0 @@ -http://sourceware.org/ml/crossgcc/2008-05/msg00009.html - ---- a/gcc/config/arm/linux-eabi.h -+++ b/gcc/config/arm/linux-eabi.h -@@ -45,7 +45,7 @@ - The ARM10TDMI core is the default for armv5t, so set - SUBTARGET_CPU_DEFAULT to achieve this. */ - #undef SUBTARGET_CPU_DEFAULT --#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi -+#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi - - /* TARGET_BIG_ENDIAN_DEFAULT is set in - config.gcc for big endian configurations. */ diff --git a/package/gcc/4.9.0/840-microblaze-enable-dwarf-eh-support.patch b/package/gcc/4.9.0/840-microblaze-enable-dwarf-eh-support.patch deleted file mode 100644 index e116e2b24a..0000000000 --- a/package/gcc/4.9.0/840-microblaze-enable-dwarf-eh-support.patch +++ /dev/null @@ -1,169 +0,0 @@ -Fetched from Xilinx gcc git at https://github.com/Xilinx/gcc - -From 23c35173490ac2d6348a668dfc9c1a6eb62171f2 Mon Sep 17 00:00:00 2001 -From: "Edgar E. Iglesias" -Date: Mon, 18 Jun 2012 20:18:13 +0200 -Subject: [PATCH] [Patch, microblaze]: Enable DWARF exception handling support. - -Changelog - -2013-03-18 Edgar E. Iglesias - David Holsgrove - - * common/config/microblaze/microblaze-common.c: Remove - TARGET_EXCEPT_UNWIND_INFO definition. - * config/microblaze/microblaze-protos.h: Add - microblaze_eh_return prototype. - * gcc/config/microblaze/microblaze.c: (microblaze_must_save_register, - microblaze_expand_epilogue, microblaze_return_addr): Handle - calls_eh_return - (microblaze_eh_return): New function. - * gcc/config/microblaze/microblaze.h: Define RETURN_ADDR_OFFSET, - EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX, - ASM_PREFERRED_EH_DATA_FORMAT - * gcc/config/microblaze/microblaze.md: Define eh_return pattern. - -Signed-off-by: David Holsgrove -Signed-off-by: Edgar E. Iglesias ---- - gcc/common/config/microblaze/microblaze-common.c | 3 --- - gcc/config/microblaze/microblaze-protos.h | 1 + - gcc/config/microblaze/microblaze.c | 29 ++++++++++++++++++++---- - gcc/config/microblaze/microblaze.h | 15 ++++++++++++ - gcc/config/microblaze/microblaze.md | 11 +++++++++ - 5 files changed, 52 insertions(+), 7 deletions(-) - -diff --git a/gcc/common/config/microblaze/microblaze-common.c b/gcc/common/config/microblaze/microblaze-common.c -index 5835acc..85e6a53 100644 ---- a/gcc/common/config/microblaze/microblaze-common.c -+++ b/gcc/common/config/microblaze/microblaze-common.c -@@ -39,7 +39,4 @@ static const struct default_options microblaze_option_optimization_table[] = - #undef TARGET_OPTION_OPTIMIZATION_TABLE - #define TARGET_OPTION_OPTIMIZATION_TABLE microblaze_option_optimization_table - --#undef TARGET_EXCEPT_UNWIND_INFO --#define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info -- - struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; -diff --git a/gcc/config/microblaze/microblaze-protos.h b/gcc/config/microblaze/microblaze-protos.h -index c30ec72..260f4e4 100644 ---- a/gcc/config/microblaze/microblaze-protos.h -+++ b/gcc/config/microblaze/microblaze-protos.h -@@ -56,6 +56,7 @@ extern bool microblaze_tls_referenced_p (rtx); - extern int symbol_mentioned_p (rtx); - extern int label_mentioned_p (rtx); - extern bool microblaze_cannot_force_const_mem (enum machine_mode, rtx); -+extern void microblaze_eh_return (rtx op0); - #endif /* RTX_CODE */ - - /* Declare functions in microblaze-c.c. */ -diff --git a/gcc/config/microblaze/microblaze.c b/gcc/config/microblaze/microblaze.c -index fe61fce..15166d3 100644 ---- a/gcc/config/microblaze/microblaze.c -+++ b/gcc/config/microblaze/microblaze.c -@@ -1999,6 +1999,11 @@ microblaze_must_save_register (int regno) - if (frame_pointer_needed && (regno == HARD_FRAME_POINTER_REGNUM)) - return 1; - -+ if (crtl->calls_eh_return -+ && regno == MB_ABI_SUB_RETURN_ADDR_REGNUM) { -+ return 1; -+ } -+ - if (!crtl->is_leaf) - { - if (regno == MB_ABI_SUB_RETURN_ADDR_REGNUM) -@@ -2026,6 +2031,13 @@ microblaze_must_save_register (int regno) - return 1; - } - -+ if (crtl->calls_eh_return -+ && (regno == EH_RETURN_DATA_REGNO (0) -+ || regno == EH_RETURN_DATA_REGNO (1))) -+ { -+ return 1; -+ } -+ - return 0; - } - -@@ -3131,6 +3143,12 @@ microblaze_expand_epilogue (void) - emit_insn (gen_addsi3 (stack_pointer_rtx, stack_pointer_rtx, fsiz_rtx)); - } - -+ if (crtl->calls_eh_return) -+ emit_insn (gen_addsi3 (stack_pointer_rtx, -+ stack_pointer_rtx, -+ gen_rtx_raw_REG (SImode, -+ MB_EH_STACKADJ_REGNUM))); -+ - emit_jump_insn (gen_return_internal (gen_rtx_REG (Pmode, GP_REG_FIRST + - MB_ABI_SUB_RETURN_ADDR_REGNUM))); - } -@@ -3427,10 +3445,13 @@ microblaze_return_addr (int count, rtx frame ATTRIBUTE_UNUSED) - if (count != 0) - return NULL_RTX; - -- return gen_rtx_PLUS (Pmode, -- get_hard_reg_initial_val (Pmode, -- MB_ABI_SUB_RETURN_ADDR_REGNUM), -- GEN_INT (8)); -+ return get_hard_reg_initial_val (Pmode, -+ MB_ABI_SUB_RETURN_ADDR_REGNUM); -+} -+ -+void microblaze_eh_return (rtx op0) -+{ -+ emit_insn (gen_movsi(gen_rtx_MEM(Pmode, stack_pointer_rtx), op0)); - } - - /* Queue an .ident string in the queue of top-level asm statements. -diff --git a/gcc/config/microblaze/microblaze.h b/gcc/config/microblaze/microblaze.h -index 4072283..5e9f49c 100644 ---- a/gcc/config/microblaze/microblaze.h -+++ b/gcc/config/microblaze/microblaze.h -@@ -184,6 +184,21 @@ extern enum pipeline_type microblaze_pipe; - #define INCOMING_RETURN_ADDR_RTX \ - gen_rtx_REG (VOIDmode, GP_REG_FIRST + MB_ABI_SUB_RETURN_ADDR_REGNUM) - -+/* Specifies the offset from INCOMING_RETURN_ADDR_RTX and the actual return PC. */ -+#define RETURN_ADDR_OFFSET (8) -+ -+/* Describe how we implement __builtin_eh_return. */ -+#define EH_RETURN_DATA_REGNO(N) (((N) < 2) ? MB_ABI_FIRST_ARG_REGNUM + (N) : INVALID_REGNUM) -+ -+#define MB_EH_STACKADJ_REGNUM MB_ABI_INT_RETURN_VAL2_REGNUM -+#define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, MB_EH_STACKADJ_REGNUM) -+ -+/* Select a format to encode pointers in exception handling data. CODE -+ is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is -+ true if the symbol may be affected by dynamic relocations. */ -+#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ -+ ((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr) -+ - /* Use DWARF 2 debugging information by default. */ - #define DWARF2_DEBUGGING_INFO - #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG -diff --git a/gcc/config/microblaze/microblaze.md b/gcc/config/microblaze/microblaze.md -index ed6131a..dc2405f 100644 ---- a/gcc/config/microblaze/microblaze.md -+++ b/gcc/config/microblaze/microblaze.md -@@ -2327,4 +2327,15 @@ - (set_attr "mode" "SI") - (set_attr "length" "4")]) - -+; This is used in compiling the unwind routines. -+(define_expand "eh_return" -+ [(use (match_operand 0 "general_operand" ""))] -+ "" -+ " -+{ -+ microblaze_eh_return(operands[0]); -+ DONE; -+}") -+ - (include "sync.md") -+ --- -1.8.3.2 - diff --git a/package/gcc/4.9.0/900-musl-support.patch b/package/gcc/4.9.0/900-musl-support.patch deleted file mode 100644 index 958940e777..0000000000 --- a/package/gcc/4.9.0/900-musl-support.patch +++ /dev/null @@ -1,710 +0,0 @@ -Add musl support to gcc - -This patch comes from the musl-cross project at -https://bitbucket.org/GregorR/musl-cross/src. Compared to the upstream version: - - * the config.sub modifications have been removed, because Buildroot - already overwrites all config.sub with a more recent config.sub - that has musl support. - - * change to ensure that a dummy dynamic linker path - MUSL_DYNAMIC_LINKER is defined for all architectures, - otherwise building gcc for architectures not supported by musl was - causing build failure. Bug reported upstream at - https://bitbucket.org/GregorR/musl-gcc-patches/issue/4/musl-gcc-patches-break-the-build-on. - -Signed-off-by: Thomas Petazzoni ---- - -Index: b/fixincludes/mkfixinc.sh -=================================================================== ---- a/fixincludes/mkfixinc.sh -+++ b/fixincludes/mkfixinc.sh -@@ -19,7 +19,8 @@ - powerpc-*-eabi* | \ - powerpc-*-rtems* | \ - powerpcle-*-eabisim* | \ -- powerpcle-*-eabi* ) -+ powerpcle-*-eabi* | \ -+ *-musl* ) - # IF there is no include fixing, - # THEN create a no-op fixer and exit - (echo "#! /bin/sh" ; echo "exit 0" ) > ${target} -Index: b/gcc/config.gcc -=================================================================== ---- a/gcc/config.gcc -+++ b/gcc/config.gcc -@@ -594,7 +594,7 @@ - esac - - # Common C libraries. --tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3" -+tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4" - - # 32-bit x86 processors supported by --with-arch=. Each processor - # MUST be separated by exactly one space. -@@ -719,6 +719,9 @@ - *-*-*uclibc*) - tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC" - ;; -+ *-*-*musl*) -+ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL" -+ ;; - *) - tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC" - ;; -@@ -2323,6 +2326,10 @@ - powerpc*-*-linux*paired*) - tm_file="${tm_file} rs6000/750cl.h" ;; - esac -+ case ${target} in -+ *-linux*-musl*) -+ enable_secureplt=yes ;; -+ esac - if test x${enable_secureplt} = xyes; then - tm_file="rs6000/secureplt.h ${tm_file}" - fi -Index: b/gcc/config/aarch64/aarch64-linux.h -=================================================================== ---- a/gcc/config/aarch64/aarch64-linux.h -+++ b/gcc/config/aarch64/aarch64-linux.h -@@ -22,6 +22,8 @@ - #define GCC_AARCH64_LINUX_H - - #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-aarch64%{mbig-endian:_be}.so.1" -+#undef MUSL_DYNAMIC_LINKER -+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-aarch64.so.1" - - #define CPP_SPEC "%{pthread:-D_REENTRANT}" - -Index: b/gcc/config/arm/linux-eabi.h -=================================================================== ---- a/gcc/config/arm/linux-eabi.h -+++ b/gcc/config/arm/linux-eabi.h -@@ -77,6 +77,23 @@ - %{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \ - %{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}" - -+/* For ARM musl currently supports four dynamic linkers: -+ - ld-musl-arm.so.1 - for the EABI-derived soft-float ABI -+ - ld-musl-armhf.so.1 - for the EABI-derived hard-float ABI -+ - ld-musl-armeb.so.1 - for the EABI-derived soft-float ABI, EB -+ - ld-musl-armebhf.so.1 - for the EABI-derived hard-float ABI, EB -+ musl does not support the legacy OABI mode. -+ All the dynamic linkers live in /lib. -+ We default to soft-float, EL. */ -+#undef MUSL_DYNAMIC_LINKER -+#if TARGET_BIG_ENDIAN_DEFAULT -+#define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:;:eb}" -+#else -+#define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:eb}" -+#endif -+#define MUSL_DYNAMIC_LINKER \ -+ "/lib/ld-musl-arm" MUSL_DYNAMIC_LINKER_E "%{mfloat-abi=hard:hf}.so.1" -+ - /* At this point, bpabi.h will have clobbered LINK_SPEC. We want to - use the GNU/Linux version, not the generic BPABI version. */ - #undef LINK_SPEC -Index: b/gcc/config/i386/linux.h -=================================================================== ---- a/gcc/config/i386/linux.h -+++ b/gcc/config/i386/linux.h -@@ -21,3 +21,5 @@ - - #define GNU_USER_LINK_EMULATION "elf_i386" - #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" -+#undef MUSL_DYNAMIC_LINKER -+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1" -Index: b/gcc/config/i386/linux64.h -=================================================================== ---- a/gcc/config/i386/linux64.h -+++ b/gcc/config/i386/linux64.h -@@ -30,3 +30,10 @@ - #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" - #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2" - #define GLIBC_DYNAMIC_LINKERX32 "/libx32/ld-linux-x32.so.2" -+ -+#undef MUSL_DYNAMIC_LINKER32 -+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1" -+#undef MUSL_DYNAMIC_LINKER64 -+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1" -+#undef MUSL_DYNAMIC_LINKERX32 -+#define MUSL_DYNAMIC_LINKERX32 "/lib/ld-musl-x32.so.1" -Index: b/gcc/config/linux.h -=================================================================== ---- a/gcc/config/linux.h -+++ b/gcc/config/linux.h -@@ -32,10 +32,12 @@ - #define OPTION_GLIBC (DEFAULT_LIBC == LIBC_GLIBC) - #define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC) - #define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC) -+#define OPTION_MUSL (DEFAULT_LIBC == LIBC_MUSL) - #else - #define OPTION_GLIBC (linux_libc == LIBC_GLIBC) - #define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC) - #define OPTION_BIONIC (linux_libc == LIBC_BIONIC) -+#define OPTION_MUSL (linux_libc == LIBC_MUSL) - #endif - - #define GNU_USER_TARGET_OS_CPP_BUILTINS() \ -@@ -53,18 +55,21 @@ - uClibc or Bionic is the default C library and whether - -muclibc or -mglibc or -mbionic has been passed to change the default. */ - --#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LD1, LD2, LD3) \ -- "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:" LD1 "}}" -+#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LIBC4, LD1, LD2, LD3, LD4) \ -+ "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:%{" LIBC4 ":" LD4 ";:" LD1 "}}}" - - #if DEFAULT_LIBC == LIBC_GLIBC --#define CHOOSE_DYNAMIC_LINKER(G, U, B) \ -- CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", G, U, B) -+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ -+ CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", "mmusl", G, U, B, M) - #elif DEFAULT_LIBC == LIBC_UCLIBC --#define CHOOSE_DYNAMIC_LINKER(G, U, B) \ -- CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", U, G, B) -+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ -+ CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", "mmusl", U, G, B, M) - #elif DEFAULT_LIBC == LIBC_BIONIC --#define CHOOSE_DYNAMIC_LINKER(G, U, B) \ -- CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", B, G, U) -+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ -+ CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", "mmusl", B, G, U, M) -+#elif DEFAULT_LIBC == LIBC_MUSL -+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ -+ CHOOSE_DYNAMIC_LINKER1 ("mmusl", "mglibc", "muclibc", "mbionic", M, G, U, B) - #else - #error "Unsupported DEFAULT_LIBC" - #endif /* DEFAULT_LIBC */ -@@ -82,23 +87,103 @@ - #define BIONIC_DYNAMIC_LINKER64 "/system/bin/linker64" - #define BIONIC_DYNAMIC_LINKERX32 "/system/bin/linkerx32" - -+/* Musl dynamic linker paths must be defined on a per-architecture -+ basis, for each architecture supported by Musl. However, in order -+ to let other architectures continue to build with other C -+ libraries, we provide a dummy definition of the following defines. */ -+#define MUSL_DYNAMIC_LINKER "invalid" -+#define MUSL_DYNAMIC_LINKER32 "invalid" -+#define MUSL_DYNAMIC_LINKER64 "invalid" -+#define MUSL_DYNAMIC_LINKERX32 "invalid" -+ - #define GNU_USER_DYNAMIC_LINKER \ - CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \ -- BIONIC_DYNAMIC_LINKER) -+ BIONIC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER) - #define GNU_USER_DYNAMIC_LINKER32 \ - CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \ -- BIONIC_DYNAMIC_LINKER32) -+ BIONIC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32) - #define GNU_USER_DYNAMIC_LINKER64 \ - CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \ -- BIONIC_DYNAMIC_LINKER64) -+ BIONIC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64) - #define GNU_USER_DYNAMIC_LINKERX32 \ - CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERX32, UCLIBC_DYNAMIC_LINKERX32, \ -- BIONIC_DYNAMIC_LINKERX32) -+ BIONIC_DYNAMIC_LINKERX32, MUSL_DYNAMIC_LINKER32) - - /* Whether we have Bionic libc runtime */ - #undef TARGET_HAS_BIONIC - #define TARGET_HAS_BIONIC (OPTION_BIONIC) - -+/* musl avoids problematic includes by rearranging the include directories. -+ * Unfortunately, this is mostly duplicated from cppdefault.c */ -+#if DEFAULT_LIBC == LIBC_MUSL -+#define INCLUDE_DEFAULTS_MUSL_GPP \ -+ { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, \ -+ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, \ -+ { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, \ -+ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 }, \ -+ { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, \ -+ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, -+ -+#ifdef LOCAL_INCLUDE_DIR -+#define INCLUDE_DEFAULTS_MUSL_LOCAL \ -+ { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 }, \ -+ { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 }, -+#else -+#define INCLUDE_DEFAULTS_MUSL_LOCAL -+#endif -+ -+#ifdef PREFIX_INCLUDE_DIR -+#define INCLUDE_DEFAULTS_MUSL_PREFIX \ -+ { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0}, -+#else -+#define INCLUDE_DEFAULTS_MUSL_PREFIX -+#endif -+ -+#ifdef CROSS_INCLUDE_DIR -+#define INCLUDE_DEFAULTS_MUSL_CROSS \ -+ { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0}, -+#else -+#define INCLUDE_DEFAULTS_MUSL_CROSS -+#endif -+ -+#ifdef TOOL_INCLUDE_DIR -+#define INCLUDE_DEFAULTS_MUSL_TOOL \ -+ { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0}, -+#else -+#define INCLUDE_DEFAULTS_MUSL_TOOL -+#endif -+ -+#ifdef NATIVE_SYSTEM_HEADER_DIR -+#define INCLUDE_DEFAULTS_MUSL_NATIVE \ -+ { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 }, \ -+ { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 }, -+#else -+#define INCLUDE_DEFAULTS_MUSL_NATIVE -+#endif -+ -+#if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT) -+# undef INCLUDE_DEFAULTS_MUSL_LOCAL -+# define INCLUDE_DEFAULTS_MUSL_LOCAL -+# undef INCLUDE_DEFAULTS_MUSL_NATIVE -+# define INCLUDE_DEFAULTS_MUSL_NATIVE -+#else -+# undef INCLUDE_DEFAULTS_MUSL_CROSS -+# define INCLUDE_DEFAULTS_MUSL_CROSS -+#endif -+ -+#undef INCLUDE_DEFAULTS -+#define INCLUDE_DEFAULTS \ -+ { \ -+ INCLUDE_DEFAULTS_MUSL_GPP \ -+ INCLUDE_DEFAULTS_MUSL_PREFIX \ -+ INCLUDE_DEFAULTS_MUSL_CROSS \ -+ INCLUDE_DEFAULTS_MUSL_TOOL \ -+ INCLUDE_DEFAULTS_MUSL_NATIVE \ -+ { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \ -+ { 0, 0, 0, 0, 0, 0 } \ -+ } -+#endif -+ - #if (DEFAULT_LIBC == LIBC_UCLIBC) && defined (SINGLE_LIBC) /* uClinux */ - /* This is a *uclinux* target. We don't define below macros to normal linux - versions, because doing so would require *uclinux* targets to include -Index: b/gcc/config/linux.opt -=================================================================== ---- a/gcc/config/linux.opt -+++ b/gcc/config/linux.opt -@@ -30,3 +30,7 @@ - muclibc - Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mbionic) - Use uClibc C library -+ -+mmusl -+Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mglibc) -+Use musl C library -Index: b/gcc/config/microblaze/linux.h -=================================================================== ---- a/gcc/config/microblaze/linux.h -+++ b/gcc/config/microblaze/linux.h -@@ -25,7 +25,23 @@ - #undef TLS_NEEDS_GOT - #define TLS_NEEDS_GOT 1 - --#define DYNAMIC_LINKER "/lib/ld.so.1" -+#if TARGET_BIG_ENDIAN_DEFAULT == 0 /* LE */ -+#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}" -+#else -+#define MUSL_DYNAMIC_LINKER_E "%{EL:el}" -+#endif -+ -+#undef MUSL_DYNAMIC_LINKER -+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-microblaze" MUSL_DYNAMIC_LINKER_E ".so.1" -+#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" -+ -+#if DEFAULT_LIBC == LIBC_MUSL -+#define DYNAMIC_LINKER MUSL_DYNAMIC_LINKER -+#else -+#define DYNAMIC_LINKER GLIBC_DYNAMIC_LINKER -+#endif -+ -+ - #undef SUBTARGET_EXTRA_SPECS - #define SUBTARGET_EXTRA_SPECS \ - { "dynamic_linker", DYNAMIC_LINKER } -Index: b/gcc/config/rs6000/linux64.h -=================================================================== ---- a/gcc/config/rs6000/linux64.h -+++ b/gcc/config/rs6000/linux64.h -@@ -375,17 +375,23 @@ - #endif - #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0" - #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0" -+#undef MUSL_DYNAMIC_LINKER32 -+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-powerpc.so.1" -+#undef MUSL_DYNAMIC_LINKER64 -+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-powerpc64.so.1" - #if DEFAULT_LIBC == LIBC_UCLIBC --#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}" -+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}" - #elif DEFAULT_LIBC == LIBC_GLIBC --#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}" -+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}" -+#elif DEFAULT_LIBC == LIBC_MUSL -+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}" - #else - #error "Unsupported DEFAULT_LIBC" - #endif - #define GNU_USER_DYNAMIC_LINKER32 \ -- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32) -+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32) - #define GNU_USER_DYNAMIC_LINKER64 \ -- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64) -+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64) - - #undef DEFAULT_ASM_ENDIAN - #if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN) -Index: b/gcc/config/rs6000/secureplt.h -=================================================================== ---- a/gcc/config/rs6000/secureplt.h -+++ b/gcc/config/rs6000/secureplt.h -@@ -18,3 +18,4 @@ - . */ - - #define CC1_SECURE_PLT_DEFAULT_SPEC "-msecure-plt" -+#define LINK_SECURE_PLT_DEFAULT_SPEC "--secure-plt" -Index: b/gcc/config/rs6000/sysv4.h -=================================================================== ---- a/gcc/config/rs6000/sysv4.h -+++ b/gcc/config/rs6000/sysv4.h -@@ -537,6 +537,9 @@ - #ifndef CC1_SECURE_PLT_DEFAULT_SPEC - #define CC1_SECURE_PLT_DEFAULT_SPEC "" - #endif -+#ifndef LINK_SECURE_PLT_DEFAULT_SPEC -+#define LINK_SECURE_PLT_DEFAULT_SPEC "" -+#endif - - /* Pass -G xxx to the compiler. */ - #define CC1_SPEC "%{G*} %(cc1_cpu)" \ -@@ -585,7 +588,8 @@ - - /* Override the default target of the linker. */ - #define LINK_TARGET_SPEC \ -- ENDIAN_SELECT("", " --oformat elf32-powerpcle", "") -+ ENDIAN_SELECT("", " --oformat elf32-powerpcle", "") \ -+ "%{!mbss-plt: %{!msecure-plt: %(link_secure_plt_default)}}" - - /* Any specific OS flags. */ - #define LINK_OS_SPEC "\ -@@ -763,15 +767,18 @@ - - #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" - #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0" -+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-powerpc.so.1" - #if DEFAULT_LIBC == LIBC_UCLIBC --#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}" -+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}" -+#elif DEFAULT_LIBC == LIBC_MUSL -+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}" - #elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC --#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}" -+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}" - #else - #error "Unsupported DEFAULT_LIBC" - #endif - #define GNU_USER_DYNAMIC_LINKER \ -- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER) -+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER) - - #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \ - %{rdynamic:-export-dynamic} \ -@@ -894,6 +901,7 @@ - { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \ - { "link_os_default", LINK_OS_DEFAULT_SPEC }, \ - { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \ -+ { "link_secure_plt_default", LINK_SECURE_PLT_DEFAULT_SPEC }, \ - { "cpp_os_ads", CPP_OS_ADS_SPEC }, \ - { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \ - { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \ -Index: b/gcc/config/sh/linux.h -=================================================================== ---- a/gcc/config/sh/linux.h -+++ b/gcc/config/sh/linux.h -@@ -43,7 +43,15 @@ - - #define TARGET_ASM_FILE_END file_end_indicate_exec_stack - -+#if TARGET_BIG_ENDIAN_DEFAULT /* BE */ -+#define MUSL_DYNAMIC_LINKER_E "eb" -+#else -+#define MUSL_DYNAMIC_LINKER_E -+#endif -+ - #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" -+#undef MUSL_DYNAMIC_LINKER -+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-sh" MUSL_DYNAMIC_LINKER_E ".so.1" - - #undef SUBTARGET_LINK_EMUL_SUFFIX - #define SUBTARGET_LINK_EMUL_SUFFIX "_linux" -Index: b/gcc/config/sh/sh.c -=================================================================== ---- a/gcc/config/sh/sh.c -+++ b/gcc/config/sh/sh.c -@@ -70,10 +70,6 @@ - #include "pass_manager.h" - #include "context.h" - --#include --#include --#include -- - int code_for_indirect_jump_scratch = CODE_FOR_indirect_jump_scratch; - - /* These are some macros to abstract register modes. */ -Index: b/gcc/configure -=================================================================== ---- a/gcc/configure -+++ b/gcc/configure -@@ -27300,6 +27300,9 @@ - else - gcc_cv_libc_provides_ssp=no - case "$target" in -+ *-*-musl*) -+ # All versions of musl provide stack protector -+ gcc_cv_libc_provides_ssp=yes;; - *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu) - # glibc 2.4 and later provides __stack_chk_fail and - # either __stack_chk_guard, or TLS access to stack guard canary. -@@ -27332,6 +27335,7 @@ - # ) and for now - # simply assert that glibc does provide this, which is true for all - # realistically usable GNU/Hurd configurations. -+ # All supported versions of musl provide it as well - gcc_cv_libc_provides_ssp=yes;; - *-*-darwin* | *-*-freebsd*) - ac_fn_c_check_func "$LINENO" "__stack_chk_fail" "ac_cv_func___stack_chk_fail" -@@ -27421,6 +27425,9 @@ - gcc_cv_target_dl_iterate_phdr=no - fi - ;; -+ *-linux-musl*) -+ gcc_cv_target_dl_iterate_phdr=yes -+ ;; - esac - - if test x$gcc_cv_target_dl_iterate_phdr = xyes; then -Index: b/gcc/configure.ac -=================================================================== ---- a/gcc/configure.ac -+++ b/gcc/configure.ac -@@ -5001,6 +5001,9 @@ - gcc_cv_libc_provides_ssp, - [gcc_cv_libc_provides_ssp=no - case "$target" in -+ *-*-musl*) -+ # All versions of musl provide stack protector -+ gcc_cv_libc_provides_ssp=yes;; - *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu) - # glibc 2.4 and later provides __stack_chk_fail and - # either __stack_chk_guard, or TLS access to stack guard canary. -@@ -5027,6 +5030,7 @@ - # ) and for now - # simply assert that glibc does provide this, which is true for all - # realistically usable GNU/Hurd configurations. -+ # All supported versions of musl provide it as well - gcc_cv_libc_provides_ssp=yes;; - *-*-darwin* | *-*-freebsd*) - AC_CHECK_FUNC(__stack_chk_fail,[gcc_cv_libc_provides_ssp=yes], -@@ -5093,6 +5097,9 @@ - gcc_cv_target_dl_iterate_phdr=no - fi - ;; -+ *-linux-musl*) -+ gcc_cv_target_dl_iterate_phdr=yes -+ ;; - esac - GCC_TARGET_TEMPLATE([TARGET_DL_ITERATE_PHDR]) - if test x$gcc_cv_target_dl_iterate_phdr = xyes; then -Index: b/gcc/ginclude/stddef.h -=================================================================== ---- a/gcc/ginclude/stddef.h -+++ b/gcc/ginclude/stddef.h -@@ -181,6 +181,7 @@ - #ifndef _GCC_SIZE_T - #ifndef _SIZET_ - #ifndef __size_t -+#ifndef __DEFINED_size_t /* musl */ - #define __size_t__ /* BeOS */ - #define __SIZE_T__ /* Cray Unicos/Mk */ - #define _SIZE_T -@@ -197,6 +198,7 @@ - #define ___int_size_t_h - #define _GCC_SIZE_T - #define _SIZET_ -+#define __DEFINED_size_t /* musl */ - #if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \ - || defined(__FreeBSD_kernel__) - /* __size_t is a typedef on FreeBSD 5, must not trash it. */ -@@ -214,6 +216,7 @@ - typedef long ssize_t; - #endif /* __BEOS__ */ - #endif /* !(defined (__GNUG__) && defined (size_t)) */ -+#endif /* __DEFINED_size_t */ - #endif /* __size_t */ - #endif /* _SIZET_ */ - #endif /* _GCC_SIZE_T */ -Index: b/libgcc/unwind-dw2-fde-dip.c -=================================================================== ---- a/libgcc/unwind-dw2-fde-dip.c -+++ b/libgcc/unwind-dw2-fde-dip.c -@@ -46,33 +46,13 @@ - #include "unwind-compat.h" - #include "gthr.h" - --#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ -- && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \ -- || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG))) --# define USE_PT_GNU_EH_FRAME --#endif -- --#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ -- && defined(__BIONIC__) --# define USE_PT_GNU_EH_FRAME --#endif -- --#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ -- && defined(__FreeBSD__) && __FreeBSD__ >= 7 --# define ElfW __ElfN --# define USE_PT_GNU_EH_FRAME --#endif -- --#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ -- && defined(__OpenBSD__) --# define ElfW(type) Elf_##type --# define USE_PT_GNU_EH_FRAME --#endif -- --#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ -- && defined(TARGET_DL_ITERATE_PHDR) \ -- && defined(__sun__) && defined(__svr4__) -+#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR) - # define USE_PT_GNU_EH_FRAME -+# ifdef __OpenBSD__ -+# define ElfW(type) Elf_##type -+# elif defined(__FreeBSD__) && __FreeBSD__ >= 7 -+# define ElfW __ElfN -+# endif - #endif - - #if defined(USE_PT_GNU_EH_FRAME) -Index: b/libgomp/config/posix/time.c -=================================================================== ---- a/libgomp/config/posix/time.c -+++ b/libgomp/config/posix/time.c -@@ -28,6 +28,8 @@ - The following implementation uses the most simple POSIX routines. - If present, POSIX 4 clocks should be used instead. */ - -+#define _POSIX_C_SOURCE 199309L /* for clocks */ -+ - #include "libgomp.h" - #include - #if TIME_WITH_SYS_TIME -Index: b/libitm/config/arm/hwcap.cc -=================================================================== ---- a/libitm/config/arm/hwcap.cc -+++ b/libitm/config/arm/hwcap.cc -@@ -40,7 +40,11 @@ - - #ifdef __linux__ - #include -+#ifdef __GLIBC__ - #include -+#else -+#include -+#endif - #include - - static void __attribute__((constructor)) -Index: b/libitm/config/linux/x86/tls.h -=================================================================== ---- a/libitm/config/linux/x86/tls.h -+++ b/libitm/config/linux/x86/tls.h -@@ -25,16 +25,19 @@ - #ifndef LIBITM_X86_TLS_H - #define LIBITM_X86_TLS_H 1 - --#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10) -+#if defined(__GLIBC_PREREQ) -+#if __GLIBC_PREREQ(2, 10) - /* Use slots in the TCB head rather than __thread lookups. - GLIBC has reserved words 10 through 13 for TM. */ - #define HAVE_ARCH_GTM_THREAD 1 - #define HAVE_ARCH_GTM_THREAD_DISP 1 - #endif -+#endif - - #include "config/generic/tls.h" - --#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10) -+#if defined(__GLIBC_PREREQ) -+#if __GLIBC_PREREQ(2, 10) - namespace GTM HIDDEN { - - #ifdef __x86_64__ -@@ -101,5 +104,6 @@ - - } // namespace GTM - #endif /* >= GLIBC 2.10 */ -+#endif - - #endif // LIBITM_X86_TLS_H -Index: b/libstdc++-v3/configure.host -=================================================================== ---- a/libstdc++-v3/configure.host -+++ b/libstdc++-v3/configure.host -@@ -264,6 +264,13 @@ - os_include_dir="os/bsd/freebsd" - ;; - gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) -+ # check for musl by target -+ case "${host_os}" in -+ *-musl*) -+ os_include_dir="os/generic" -+ ;; -+ *) -+ - if [ "$uclibc" = "yes" ]; then - os_include_dir="os/uclibc" - elif [ "$bionic" = "yes" ]; then -@@ -272,6 +279,9 @@ - os_include_dir="os/gnu-linux" - fi - ;; -+ -+ esac -+ ;; - hpux*) - os_include_dir="os/hpux" - ;; -Index: b/gcc/config/mips/linux64.h -=================================================================== ---- a/gcc/config/mips/linux64.h -+++ b/gcc/config/mips/linux64.h -@@ -41,4 +41,4 @@ - #define BIONIC_DYNAMIC_LINKERN32 "/system/bin/linker32" - #define GNU_USER_DYNAMIC_LINKERN32 \ - CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, \ -- BIONIC_DYNAMIC_LINKERN32) -+ BIONIC_DYNAMIC_LINKERN32, MUSL_DYNAMIC_LINKER) -Index: b/gcc/config/mips/linux.h -=================================================================== ---- a/gcc/config/mips/linux.h -+++ b/gcc/config/mips/linux.h -@@ -23,3 +23,11 @@ - #undef UCLIBC_DYNAMIC_LINKER - #define UCLIBC_DYNAMIC_LINKER \ - "%{mnan=2008:/lib/ld-uClibc-mipsn8.so.0;:/lib/ld-uClibc.so.0}" -+ -+#if TARGET_ENDIAN_DEFAULT == 0 /* LE */ -+#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}" -+#else -+#define MUSL_DYNAMIC_LINKER_E "%{EL:el}" -+#endif -+#undef MUSL_DYNAMIC_LINKER -+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips" MUSL_DYNAMIC_LINKER_E ".so.1" diff --git a/package/gcc/4.9.0/powerpc-link-with-math-lib.patch.conditional b/package/gcc/4.9.0/powerpc-link-with-math-lib.patch.conditional deleted file mode 100644 index b7094fe652..0000000000 --- a/package/gcc/4.9.0/powerpc-link-with-math-lib.patch.conditional +++ /dev/null @@ -1,122 +0,0 @@ -http://gcc.gnu.org/ml/gcc-patches/2008-10/msg00269.html - -On glibc the libc.so carries a copy of the math function copysignl() but -on uClibc math functions like copysignl() live in libm. Since libgcc_s -contains unresolved symbols, any attempt to link against libgcc_s -without explicitely specifying -lm fails, resulting in a broken -bootstrap of the compiler. - -Forward port to gcc 4.5.1 by Gustavo Zacarias - ---- - libgcc/Makefile.in | 4 +++- - libgcc/configure | 32 ++++++++++++++++++++++++++++++++ - libgcc/configure.ac | 21 +++++++++++++++++++++ - 3 files changed, 56 insertions(+), 1 deletion(-) - -Index: gcc-4.8.0/libgcc/Makefile.in -=================================================================== ---- gcc-4.8.0.orig/libgcc/Makefile.in 2013-02-04 20:06:20.000000000 +0100 -+++ gcc-4.8.0/libgcc/Makefile.in 2013-03-24 09:12:43.000000000 +0100 -@@ -41,6 +41,7 @@ - decimal_float = @decimal_float@ - enable_decimal_float = @enable_decimal_float@ - fixed_point = @fixed_point@ -+LIBGCC_LIBM = @LIBGCC_LIBM@ - - host_noncanonical = @host_noncanonical@ - target_noncanonical = @target_noncanonical@ -@@ -927,9 +928,10 @@ - @multilib_dir@,$(MULTIDIR),$(subst \ - @shlib_objs@,$(objects) libgcc.a,$(subst \ - @shlib_base_name@,libgcc_s,$(subst \ -+ @libgcc_libm@,$(LIBGCC_LIBM),$(subst \ - @shlib_map_file@,$(mapfile),$(subst \ - @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \ -- @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK)))))))) -+ @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))) - - libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts) - # @multilib_flags@ is still needed because this may use -Index: gcc-4.8.0/libgcc/configure -=================================================================== ---- gcc-4.8.0.orig/libgcc/configure 2012-11-05 00:08:42.000000000 +0100 -+++ gcc-4.8.0/libgcc/configure 2013-03-24 09:12:43.000000000 +0100 -@@ -564,6 +564,7 @@ - tmake_file - sfp_machine_header - set_use_emutls -+LIBGCC_LIBM - set_have_cc_tls - vis_hide - fixed_point -@@ -4481,6 +4482,37 @@ - fi - fi - -+# On powerpc libgcc_s references copysignl which is a libm function but -+# glibc apparently also provides it via libc as opposed to uClibc where -+# it lives in libm. -+echo "$as_me:$LINENO: checking for library containing copysignl" >&5 -+echo $ECHO_N "checking for library containing copysignl... $ECHO_C" >&6 -+if test "${libgcc_cv_copysignl_lib+set}" = set; then -+ echo $ECHO_N "(cached) $ECHO_C" >&6 -+else -+ -+ echo '#include ' > conftest.c -+ echo 'int the_libc = __UCLIBC__ + __powerpc__;' >> conftest.c -+ libgcc_cv_copysignl_lib="-lc" -+ if { ac_try='${CC-cc} -S conftest.c -o conftest.s 1>&5' -+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 -+ (eval $ac_try) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: \$? = $ac_status" >&5 -+ (exit $ac_status); }; } -+ then -+ libgcc_cv_copysignl_lib="-lm" -+ fi -+ rm -f conftest.* -+ -+fi -+echo "$as_me:$LINENO: result: $libgcc_cv_copysignl_lib" >&5 -+echo "${ECHO_T}$libgcc_cv_copysignl_lib" >&6 -+ -+case /${libgcc_cv_copysignl_lib}/ in -+ /-lm/) LIBGCC_LIBM="$LIBGCC_LIBM -lm" ;; -+ *) LIBGCC_LIBM= ;; -+esac - - # Conditionalize the makefile for this target machine. - tmake_file_= -Index: gcc-4.8.0/libgcc/configure.ac -=================================================================== ---- gcc-4.8.0.orig/libgcc/configure.ac 2012-10-15 15:10:30.000000000 +0200 -+++ gcc-4.8.0/libgcc/configure.ac 2013-03-24 09:12:43.000000000 +0100 -@@ -326,6 +326,27 @@ - fi - AC_SUBST(set_have_cc_tls) - -+# On powerpc libgcc_s references copysignl which is a libm function but -+# glibc apparently also provides it via libc as opposed to uClibc where -+# it lives in libm. -+AC_CACHE_CHECK -+ libgcc_cv_copysignl_lib, -+ echo '#include ' > conftest.c -+ echo 'int the_libc = __UCLIBC__ + __powerpc__;' >> conftest.c -+ libgcc_cv_copysignl_lib="-lc" -+ if AC_TRY_COMMAND(${CC-cc} -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD) -+ then -+ libgcc_cv_copysignl_lib="-lm" -+ fi -+ rm -f conftest.* -+ ]) -+ -+case /${libgcc_cv_copysignl_lib}/ in -+ /-lm/) LIBGCC_LIBM="$LIBGCC_LIBM -lm" ;; -+ *) LIBGCC_LIBM= ;; -+esac -+AC_SUBST(LIBGCC_LIBM) -+ - # See if we have emulated thread-local storage. - GCC_CHECK_EMUTLS - set_use_emutls= diff --git a/package/gcc/4.9.1/100-uclibc-conf.patch b/package/gcc/4.9.1/100-uclibc-conf.patch new file mode 100644 index 0000000000..d56bf0a194 --- /dev/null +++ b/package/gcc/4.9.1/100-uclibc-conf.patch @@ -0,0 +1,15 @@ +Index: gcc-4.8.0/contrib/regression/objs-gcc.sh +=================================================================== +--- gcc-4.8.0.orig/contrib/regression/objs-gcc.sh 2009-04-09 17:00:19.000000000 +0200 ++++ gcc-4.8.0/contrib/regression/objs-gcc.sh 2013-03-23 17:39:04.000000000 +0100 +@@ -106,6 +106,10 @@ + then + make all-gdb all-dejagnu all-ld || exit 1 + make install-gdb install-dejagnu install-ld || exit 1 ++elif [ $H_REAL_TARGET = $H_REAL_HOST -a $H_REAL_TARGET = i686-pc-linux-uclibc ] ++ then ++ make all-gdb all-dejagnu all-ld || exit 1 ++ make install-gdb install-dejagnu install-ld || exit 1 + elif [ $H_REAL_TARGET = $H_REAL_HOST ] ; then + make bootstrap || exit 1 + make install || exit 1 diff --git a/package/gcc/4.9.1/301-missing-execinfo_h.patch b/package/gcc/4.9.1/301-missing-execinfo_h.patch new file mode 100644 index 0000000000..00efda24aa --- /dev/null +++ b/package/gcc/4.9.1/301-missing-execinfo_h.patch @@ -0,0 +1,13 @@ +Index: gcc-4.8.0/boehm-gc/include/gc.h +=================================================================== +--- gcc-4.8.0.orig/boehm-gc/include/gc.h 2007-04-23 23:10:09.000000000 +0200 ++++ gcc-4.8.0/boehm-gc/include/gc.h 2013-03-23 17:39:20.000000000 +0100 +@@ -503,7 +503,7 @@ + #if defined(__linux__) || defined(__GLIBC__) + # include + # if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1 || __GLIBC__ > 2) \ +- && !defined(__ia64__) ++ && !defined(__ia64__) && !defined(__UCLIBC__) + # ifndef GC_HAVE_BUILTIN_BACKTRACE + # define GC_HAVE_BUILTIN_BACKTRACE + # endif diff --git a/package/gcc/4.9.1/302-c99-snprintf.patch b/package/gcc/4.9.1/302-c99-snprintf.patch new file mode 100644 index 0000000000..cd4d2ccfb6 --- /dev/null +++ b/package/gcc/4.9.1/302-c99-snprintf.patch @@ -0,0 +1,13 @@ +Index: gcc-4.8.0/libstdc++-v3/include/c_global/cstdio +=================================================================== +--- gcc-4.8.0.orig/libstdc++-v3/include/c_global/cstdio 2013-02-03 18:54:05.000000000 +0100 ++++ gcc-4.8.0/libstdc++-v3/include/c_global/cstdio 2013-03-23 17:39:32.000000000 +0100 +@@ -138,7 +138,7 @@ + using ::vsprintf; + } // namespace + +-#if _GLIBCXX_USE_C99 ++#if _GLIBCXX_USE_C99 || defined __UCLIBC__ + + #undef snprintf + #undef vfscanf diff --git a/package/gcc/4.9.1/810-arm-softfloat-libgcc.patch b/package/gcc/4.9.1/810-arm-softfloat-libgcc.patch new file mode 100644 index 0000000000..c8cb377d55 --- /dev/null +++ b/package/gcc/4.9.1/810-arm-softfloat-libgcc.patch @@ -0,0 +1,30 @@ +Index: gcc-4.8.0/gcc/config/arm/linux-elf.h +=================================================================== +--- gcc-4.8.0.orig/gcc/config/arm/linux-elf.h 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.0/gcc/config/arm/linux-elf.h 2013-03-23 17:40:00.000000000 +0100 +@@ -55,7 +55,7 @@ + %{shared:-lc} \ + %{!shared:%{profile:-lc_p}%{!profile:-lc}}" + +-#define LIBGCC_SPEC "%{mfloat-abi=soft*:-lfloat} -lgcc" ++#define LIBGCC_SPEC "-lgcc" + + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" + +Index: gcc-4.8.0/libgcc/config/arm/t-linux +=================================================================== +--- gcc-4.8.0.orig/libgcc/config/arm/t-linux 2012-03-22 16:14:46.000000000 +0100 ++++ gcc-4.8.0/libgcc/config/arm/t-linux 2013-03-23 17:40:54.000000000 +0100 +@@ -1,6 +1,11 @@ + LIB1ASMSRC = arm/lib1funcs.S + LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx _clzsi2 _clzdi2 \ +- _ctzsi2 _arm_addsubdf3 _arm_addsubsf3 ++ _ctzsi2 _arm_addsubdf3 _arm_addsubsf3 \ ++ _arm_addsubdf3 _arm_addsubsf3 \ ++ _arm_negdf2 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \ ++ _arm_fixdfsi _arm_fixunsdfsi _arm_truncdfsf2 \ ++ _arm_negsf2 _arm_muldivsf3 _arm_cmpsf2 _arm_unordsf2 \ ++ _arm_fixsfsi _arm_fixunssfsi + + # Just for these, we omit the frame pointer since it makes such a big + # difference. diff --git a/package/gcc/4.9.1/830-arm_unbreak_armv4t.patch b/package/gcc/4.9.1/830-arm_unbreak_armv4t.patch new file mode 100644 index 0000000000..37f8f2a54d --- /dev/null +++ b/package/gcc/4.9.1/830-arm_unbreak_armv4t.patch @@ -0,0 +1,13 @@ +http://sourceware.org/ml/crossgcc/2008-05/msg00009.html + +--- a/gcc/config/arm/linux-eabi.h ++++ b/gcc/config/arm/linux-eabi.h +@@ -45,7 +45,7 @@ + The ARM10TDMI core is the default for armv5t, so set + SUBTARGET_CPU_DEFAULT to achieve this. */ + #undef SUBTARGET_CPU_DEFAULT +-#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi ++#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi + + /* TARGET_BIG_ENDIAN_DEFAULT is set in + config.gcc for big endian configurations. */ diff --git a/package/gcc/4.9.1/840-microblaze-enable-dwarf-eh-support.patch b/package/gcc/4.9.1/840-microblaze-enable-dwarf-eh-support.patch new file mode 100644 index 0000000000..e116e2b24a --- /dev/null +++ b/package/gcc/4.9.1/840-microblaze-enable-dwarf-eh-support.patch @@ -0,0 +1,169 @@ +Fetched from Xilinx gcc git at https://github.com/Xilinx/gcc + +From 23c35173490ac2d6348a668dfc9c1a6eb62171f2 Mon Sep 17 00:00:00 2001 +From: "Edgar E. Iglesias" +Date: Mon, 18 Jun 2012 20:18:13 +0200 +Subject: [PATCH] [Patch, microblaze]: Enable DWARF exception handling support. + +Changelog + +2013-03-18 Edgar E. Iglesias + David Holsgrove + + * common/config/microblaze/microblaze-common.c: Remove + TARGET_EXCEPT_UNWIND_INFO definition. + * config/microblaze/microblaze-protos.h: Add + microblaze_eh_return prototype. + * gcc/config/microblaze/microblaze.c: (microblaze_must_save_register, + microblaze_expand_epilogue, microblaze_return_addr): Handle + calls_eh_return + (microblaze_eh_return): New function. + * gcc/config/microblaze/microblaze.h: Define RETURN_ADDR_OFFSET, + EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX, + ASM_PREFERRED_EH_DATA_FORMAT + * gcc/config/microblaze/microblaze.md: Define eh_return pattern. + +Signed-off-by: David Holsgrove +Signed-off-by: Edgar E. Iglesias +--- + gcc/common/config/microblaze/microblaze-common.c | 3 --- + gcc/config/microblaze/microblaze-protos.h | 1 + + gcc/config/microblaze/microblaze.c | 29 ++++++++++++++++++++---- + gcc/config/microblaze/microblaze.h | 15 ++++++++++++ + gcc/config/microblaze/microblaze.md | 11 +++++++++ + 5 files changed, 52 insertions(+), 7 deletions(-) + +diff --git a/gcc/common/config/microblaze/microblaze-common.c b/gcc/common/config/microblaze/microblaze-common.c +index 5835acc..85e6a53 100644 +--- a/gcc/common/config/microblaze/microblaze-common.c ++++ b/gcc/common/config/microblaze/microblaze-common.c +@@ -39,7 +39,4 @@ static const struct default_options microblaze_option_optimization_table[] = + #undef TARGET_OPTION_OPTIMIZATION_TABLE + #define TARGET_OPTION_OPTIMIZATION_TABLE microblaze_option_optimization_table + +-#undef TARGET_EXCEPT_UNWIND_INFO +-#define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info +- + struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; +diff --git a/gcc/config/microblaze/microblaze-protos.h b/gcc/config/microblaze/microblaze-protos.h +index c30ec72..260f4e4 100644 +--- a/gcc/config/microblaze/microblaze-protos.h ++++ b/gcc/config/microblaze/microblaze-protos.h +@@ -56,6 +56,7 @@ extern bool microblaze_tls_referenced_p (rtx); + extern int symbol_mentioned_p (rtx); + extern int label_mentioned_p (rtx); + extern bool microblaze_cannot_force_const_mem (enum machine_mode, rtx); ++extern void microblaze_eh_return (rtx op0); + #endif /* RTX_CODE */ + + /* Declare functions in microblaze-c.c. */ +diff --git a/gcc/config/microblaze/microblaze.c b/gcc/config/microblaze/microblaze.c +index fe61fce..15166d3 100644 +--- a/gcc/config/microblaze/microblaze.c ++++ b/gcc/config/microblaze/microblaze.c +@@ -1999,6 +1999,11 @@ microblaze_must_save_register (int regno) + if (frame_pointer_needed && (regno == HARD_FRAME_POINTER_REGNUM)) + return 1; + ++ if (crtl->calls_eh_return ++ && regno == MB_ABI_SUB_RETURN_ADDR_REGNUM) { ++ return 1; ++ } ++ + if (!crtl->is_leaf) + { + if (regno == MB_ABI_SUB_RETURN_ADDR_REGNUM) +@@ -2026,6 +2031,13 @@ microblaze_must_save_register (int regno) + return 1; + } + ++ if (crtl->calls_eh_return ++ && (regno == EH_RETURN_DATA_REGNO (0) ++ || regno == EH_RETURN_DATA_REGNO (1))) ++ { ++ return 1; ++ } ++ + return 0; + } + +@@ -3131,6 +3143,12 @@ microblaze_expand_epilogue (void) + emit_insn (gen_addsi3 (stack_pointer_rtx, stack_pointer_rtx, fsiz_rtx)); + } + ++ if (crtl->calls_eh_return) ++ emit_insn (gen_addsi3 (stack_pointer_rtx, ++ stack_pointer_rtx, ++ gen_rtx_raw_REG (SImode, ++ MB_EH_STACKADJ_REGNUM))); ++ + emit_jump_insn (gen_return_internal (gen_rtx_REG (Pmode, GP_REG_FIRST + + MB_ABI_SUB_RETURN_ADDR_REGNUM))); + } +@@ -3427,10 +3445,13 @@ microblaze_return_addr (int count, rtx frame ATTRIBUTE_UNUSED) + if (count != 0) + return NULL_RTX; + +- return gen_rtx_PLUS (Pmode, +- get_hard_reg_initial_val (Pmode, +- MB_ABI_SUB_RETURN_ADDR_REGNUM), +- GEN_INT (8)); ++ return get_hard_reg_initial_val (Pmode, ++ MB_ABI_SUB_RETURN_ADDR_REGNUM); ++} ++ ++void microblaze_eh_return (rtx op0) ++{ ++ emit_insn (gen_movsi(gen_rtx_MEM(Pmode, stack_pointer_rtx), op0)); + } + + /* Queue an .ident string in the queue of top-level asm statements. +diff --git a/gcc/config/microblaze/microblaze.h b/gcc/config/microblaze/microblaze.h +index 4072283..5e9f49c 100644 +--- a/gcc/config/microblaze/microblaze.h ++++ b/gcc/config/microblaze/microblaze.h +@@ -184,6 +184,21 @@ extern enum pipeline_type microblaze_pipe; + #define INCOMING_RETURN_ADDR_RTX \ + gen_rtx_REG (VOIDmode, GP_REG_FIRST + MB_ABI_SUB_RETURN_ADDR_REGNUM) + ++/* Specifies the offset from INCOMING_RETURN_ADDR_RTX and the actual return PC. */ ++#define RETURN_ADDR_OFFSET (8) ++ ++/* Describe how we implement __builtin_eh_return. */ ++#define EH_RETURN_DATA_REGNO(N) (((N) < 2) ? MB_ABI_FIRST_ARG_REGNUM + (N) : INVALID_REGNUM) ++ ++#define MB_EH_STACKADJ_REGNUM MB_ABI_INT_RETURN_VAL2_REGNUM ++#define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, MB_EH_STACKADJ_REGNUM) ++ ++/* Select a format to encode pointers in exception handling data. CODE ++ is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is ++ true if the symbol may be affected by dynamic relocations. */ ++#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ ++ ((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr) ++ + /* Use DWARF 2 debugging information by default. */ + #define DWARF2_DEBUGGING_INFO + #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG +diff --git a/gcc/config/microblaze/microblaze.md b/gcc/config/microblaze/microblaze.md +index ed6131a..dc2405f 100644 +--- a/gcc/config/microblaze/microblaze.md ++++ b/gcc/config/microblaze/microblaze.md +@@ -2327,4 +2327,15 @@ + (set_attr "mode" "SI") + (set_attr "length" "4")]) + ++; This is used in compiling the unwind routines. ++(define_expand "eh_return" ++ [(use (match_operand 0 "general_operand" ""))] ++ "" ++ " ++{ ++ microblaze_eh_return(operands[0]); ++ DONE; ++}") ++ + (include "sync.md") ++ +-- +1.8.3.2 + diff --git a/package/gcc/4.9.1/900-musl-support.patch b/package/gcc/4.9.1/900-musl-support.patch new file mode 100644 index 0000000000..5b3dfa51a6 --- /dev/null +++ b/package/gcc/4.9.1/900-musl-support.patch @@ -0,0 +1,696 @@ +Add musl support to gcc + +This patch comes from the musl-cross project at +https://bitbucket.org/GregorR/musl-cross/src. Compared to the upstream version: + + * the config.sub modifications have been removed, because Buildroot + already overwrites all config.sub with a more recent config.sub + that has musl support. + + * change to ensure that a dummy dynamic linker path + MUSL_DYNAMIC_LINKER is defined for all architectures, + otherwise building gcc for architectures not supported by musl was + causing build failure. Bug reported upstream at + https://bitbucket.org/GregorR/musl-gcc-patches/issue/4/musl-gcc-patches-break-the-build-on. + +[Gustavo: remove upstream applied gcc/config/sh/sh.c chunk for 4.9.1] +Signed-off-by: Thomas Petazzoni +--- + +Index: b/fixincludes/mkfixinc.sh +=================================================================== +--- a/fixincludes/mkfixinc.sh ++++ b/fixincludes/mkfixinc.sh +@@ -19,7 +19,8 @@ + powerpc-*-eabi* | \ + powerpc-*-rtems* | \ + powerpcle-*-eabisim* | \ +- powerpcle-*-eabi* ) ++ powerpcle-*-eabi* | \ ++ *-musl* ) + # IF there is no include fixing, + # THEN create a no-op fixer and exit + (echo "#! /bin/sh" ; echo "exit 0" ) > ${target} +Index: b/gcc/config.gcc +=================================================================== +--- a/gcc/config.gcc ++++ b/gcc/config.gcc +@@ -594,7 +594,7 @@ + esac + + # Common C libraries. +-tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3" ++tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4" + + # 32-bit x86 processors supported by --with-arch=. Each processor + # MUST be separated by exactly one space. +@@ -719,6 +719,9 @@ + *-*-*uclibc*) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC" + ;; ++ *-*-*musl*) ++ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL" ++ ;; + *) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC" + ;; +@@ -2323,6 +2326,10 @@ + powerpc*-*-linux*paired*) + tm_file="${tm_file} rs6000/750cl.h" ;; + esac ++ case ${target} in ++ *-linux*-musl*) ++ enable_secureplt=yes ;; ++ esac + if test x${enable_secureplt} = xyes; then + tm_file="rs6000/secureplt.h ${tm_file}" + fi +Index: b/gcc/config/aarch64/aarch64-linux.h +=================================================================== +--- a/gcc/config/aarch64/aarch64-linux.h ++++ b/gcc/config/aarch64/aarch64-linux.h +@@ -22,6 +22,8 @@ + #define GCC_AARCH64_LINUX_H + + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-aarch64%{mbig-endian:_be}.so.1" ++#undef MUSL_DYNAMIC_LINKER ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-aarch64.so.1" + + #define CPP_SPEC "%{pthread:-D_REENTRANT}" + +Index: b/gcc/config/arm/linux-eabi.h +=================================================================== +--- a/gcc/config/arm/linux-eabi.h ++++ b/gcc/config/arm/linux-eabi.h +@@ -77,6 +77,23 @@ + %{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \ + %{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}" + ++/* For ARM musl currently supports four dynamic linkers: ++ - ld-musl-arm.so.1 - for the EABI-derived soft-float ABI ++ - ld-musl-armhf.so.1 - for the EABI-derived hard-float ABI ++ - ld-musl-armeb.so.1 - for the EABI-derived soft-float ABI, EB ++ - ld-musl-armebhf.so.1 - for the EABI-derived hard-float ABI, EB ++ musl does not support the legacy OABI mode. ++ All the dynamic linkers live in /lib. ++ We default to soft-float, EL. */ ++#undef MUSL_DYNAMIC_LINKER ++#if TARGET_BIG_ENDIAN_DEFAULT ++#define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:;:eb}" ++#else ++#define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:eb}" ++#endif ++#define MUSL_DYNAMIC_LINKER \ ++ "/lib/ld-musl-arm" MUSL_DYNAMIC_LINKER_E "%{mfloat-abi=hard:hf}.so.1" ++ + /* At this point, bpabi.h will have clobbered LINK_SPEC. We want to + use the GNU/Linux version, not the generic BPABI version. */ + #undef LINK_SPEC +Index: b/gcc/config/i386/linux.h +=================================================================== +--- a/gcc/config/i386/linux.h ++++ b/gcc/config/i386/linux.h +@@ -21,3 +21,5 @@ + + #define GNU_USER_LINK_EMULATION "elf_i386" + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" ++#undef MUSL_DYNAMIC_LINKER ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1" +Index: b/gcc/config/i386/linux64.h +=================================================================== +--- a/gcc/config/i386/linux64.h ++++ b/gcc/config/i386/linux64.h +@@ -30,3 +30,10 @@ + #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" + #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2" + #define GLIBC_DYNAMIC_LINKERX32 "/libx32/ld-linux-x32.so.2" ++ ++#undef MUSL_DYNAMIC_LINKER32 ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1" ++#undef MUSL_DYNAMIC_LINKER64 ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1" ++#undef MUSL_DYNAMIC_LINKERX32 ++#define MUSL_DYNAMIC_LINKERX32 "/lib/ld-musl-x32.so.1" +Index: b/gcc/config/linux.h +=================================================================== +--- a/gcc/config/linux.h ++++ b/gcc/config/linux.h +@@ -32,10 +32,12 @@ + #define OPTION_GLIBC (DEFAULT_LIBC == LIBC_GLIBC) + #define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC) + #define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC) ++#define OPTION_MUSL (DEFAULT_LIBC == LIBC_MUSL) + #else + #define OPTION_GLIBC (linux_libc == LIBC_GLIBC) + #define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC) + #define OPTION_BIONIC (linux_libc == LIBC_BIONIC) ++#define OPTION_MUSL (linux_libc == LIBC_MUSL) + #endif + + #define GNU_USER_TARGET_OS_CPP_BUILTINS() \ +@@ -53,18 +55,21 @@ + uClibc or Bionic is the default C library and whether + -muclibc or -mglibc or -mbionic has been passed to change the default. */ + +-#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LD1, LD2, LD3) \ +- "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:" LD1 "}}" ++#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LIBC4, LD1, LD2, LD3, LD4) \ ++ "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:%{" LIBC4 ":" LD4 ";:" LD1 "}}}" + + #if DEFAULT_LIBC == LIBC_GLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \ +- CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", G, U, B) ++#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ ++ CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", "mmusl", G, U, B, M) + #elif DEFAULT_LIBC == LIBC_UCLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \ +- CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", U, G, B) ++#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ ++ CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", "mmusl", U, G, B, M) + #elif DEFAULT_LIBC == LIBC_BIONIC +-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \ +- CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", B, G, U) ++#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ ++ CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", "mmusl", B, G, U, M) ++#elif DEFAULT_LIBC == LIBC_MUSL ++#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ ++ CHOOSE_DYNAMIC_LINKER1 ("mmusl", "mglibc", "muclibc", "mbionic", M, G, U, B) + #else + #error "Unsupported DEFAULT_LIBC" + #endif /* DEFAULT_LIBC */ +@@ -82,23 +87,103 @@ + #define BIONIC_DYNAMIC_LINKER64 "/system/bin/linker64" + #define BIONIC_DYNAMIC_LINKERX32 "/system/bin/linkerx32" + ++/* Musl dynamic linker paths must be defined on a per-architecture ++ basis, for each architecture supported by Musl. However, in order ++ to let other architectures continue to build with other C ++ libraries, we provide a dummy definition of the following defines. */ ++#define MUSL_DYNAMIC_LINKER "invalid" ++#define MUSL_DYNAMIC_LINKER32 "invalid" ++#define MUSL_DYNAMIC_LINKER64 "invalid" ++#define MUSL_DYNAMIC_LINKERX32 "invalid" ++ + #define GNU_USER_DYNAMIC_LINKER \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \ +- BIONIC_DYNAMIC_LINKER) ++ BIONIC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER) + #define GNU_USER_DYNAMIC_LINKER32 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \ +- BIONIC_DYNAMIC_LINKER32) ++ BIONIC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32) + #define GNU_USER_DYNAMIC_LINKER64 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \ +- BIONIC_DYNAMIC_LINKER64) ++ BIONIC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64) + #define GNU_USER_DYNAMIC_LINKERX32 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERX32, UCLIBC_DYNAMIC_LINKERX32, \ +- BIONIC_DYNAMIC_LINKERX32) ++ BIONIC_DYNAMIC_LINKERX32, MUSL_DYNAMIC_LINKER32) + + /* Whether we have Bionic libc runtime */ + #undef TARGET_HAS_BIONIC + #define TARGET_HAS_BIONIC (OPTION_BIONIC) + ++/* musl avoids problematic includes by rearranging the include directories. ++ * Unfortunately, this is mostly duplicated from cppdefault.c */ ++#if DEFAULT_LIBC == LIBC_MUSL ++#define INCLUDE_DEFAULTS_MUSL_GPP \ ++ { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, \ ++ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, \ ++ { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, \ ++ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 }, \ ++ { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, \ ++ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, ++ ++#ifdef LOCAL_INCLUDE_DIR ++#define INCLUDE_DEFAULTS_MUSL_LOCAL \ ++ { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 }, \ ++ { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 }, ++#else ++#define INCLUDE_DEFAULTS_MUSL_LOCAL ++#endif ++ ++#ifdef PREFIX_INCLUDE_DIR ++#define INCLUDE_DEFAULTS_MUSL_PREFIX \ ++ { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0}, ++#else ++#define INCLUDE_DEFAULTS_MUSL_PREFIX ++#endif ++ ++#ifdef CROSS_INCLUDE_DIR ++#define INCLUDE_DEFAULTS_MUSL_CROSS \ ++ { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0}, ++#else ++#define INCLUDE_DEFAULTS_MUSL_CROSS ++#endif ++ ++#ifdef TOOL_INCLUDE_DIR ++#define INCLUDE_DEFAULTS_MUSL_TOOL \ ++ { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0}, ++#else ++#define INCLUDE_DEFAULTS_MUSL_TOOL ++#endif ++ ++#ifdef NATIVE_SYSTEM_HEADER_DIR ++#define INCLUDE_DEFAULTS_MUSL_NATIVE \ ++ { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 }, \ ++ { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 }, ++#else ++#define INCLUDE_DEFAULTS_MUSL_NATIVE ++#endif ++ ++#if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT) ++# undef INCLUDE_DEFAULTS_MUSL_LOCAL ++# define INCLUDE_DEFAULTS_MUSL_LOCAL ++# undef INCLUDE_DEFAULTS_MUSL_NATIVE ++# define INCLUDE_DEFAULTS_MUSL_NATIVE ++#else ++# undef INCLUDE_DEFAULTS_MUSL_CROSS ++# define INCLUDE_DEFAULTS_MUSL_CROSS ++#endif ++ ++#undef INCLUDE_DEFAULTS ++#define INCLUDE_DEFAULTS \ ++ { \ ++ INCLUDE_DEFAULTS_MUSL_GPP \ ++ INCLUDE_DEFAULTS_MUSL_PREFIX \ ++ INCLUDE_DEFAULTS_MUSL_CROSS \ ++ INCLUDE_DEFAULTS_MUSL_TOOL \ ++ INCLUDE_DEFAULTS_MUSL_NATIVE \ ++ { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \ ++ { 0, 0, 0, 0, 0, 0 } \ ++ } ++#endif ++ + #if (DEFAULT_LIBC == LIBC_UCLIBC) && defined (SINGLE_LIBC) /* uClinux */ + /* This is a *uclinux* target. We don't define below macros to normal linux + versions, because doing so would require *uclinux* targets to include +Index: b/gcc/config/linux.opt +=================================================================== +--- a/gcc/config/linux.opt ++++ b/gcc/config/linux.opt +@@ -30,3 +30,7 @@ + muclibc + Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mbionic) + Use uClibc C library ++ ++mmusl ++Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mglibc) ++Use musl C library +Index: b/gcc/config/microblaze/linux.h +=================================================================== +--- a/gcc/config/microblaze/linux.h ++++ b/gcc/config/microblaze/linux.h +@@ -25,7 +25,23 @@ + #undef TLS_NEEDS_GOT + #define TLS_NEEDS_GOT 1 + +-#define DYNAMIC_LINKER "/lib/ld.so.1" ++#if TARGET_BIG_ENDIAN_DEFAULT == 0 /* LE */ ++#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}" ++#else ++#define MUSL_DYNAMIC_LINKER_E "%{EL:el}" ++#endif ++ ++#undef MUSL_DYNAMIC_LINKER ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-microblaze" MUSL_DYNAMIC_LINKER_E ".so.1" ++#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" ++ ++#if DEFAULT_LIBC == LIBC_MUSL ++#define DYNAMIC_LINKER MUSL_DYNAMIC_LINKER ++#else ++#define DYNAMIC_LINKER GLIBC_DYNAMIC_LINKER ++#endif ++ ++ + #undef SUBTARGET_EXTRA_SPECS + #define SUBTARGET_EXTRA_SPECS \ + { "dynamic_linker", DYNAMIC_LINKER } +Index: b/gcc/config/rs6000/linux64.h +=================================================================== +--- a/gcc/config/rs6000/linux64.h ++++ b/gcc/config/rs6000/linux64.h +@@ -375,17 +375,23 @@ + #endif + #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0" + #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0" ++#undef MUSL_DYNAMIC_LINKER32 ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-powerpc.so.1" ++#undef MUSL_DYNAMIC_LINKER64 ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-powerpc64.so.1" + #if DEFAULT_LIBC == LIBC_UCLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}" ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}" + #elif DEFAULT_LIBC == LIBC_GLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}" ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}" ++#elif DEFAULT_LIBC == LIBC_MUSL ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}" + #else + #error "Unsupported DEFAULT_LIBC" + #endif + #define GNU_USER_DYNAMIC_LINKER32 \ +- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32) ++ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32) + #define GNU_USER_DYNAMIC_LINKER64 \ +- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64) ++ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64) + + #undef DEFAULT_ASM_ENDIAN + #if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN) +Index: b/gcc/config/rs6000/secureplt.h +=================================================================== +--- a/gcc/config/rs6000/secureplt.h ++++ b/gcc/config/rs6000/secureplt.h +@@ -18,3 +18,4 @@ + . */ + + #define CC1_SECURE_PLT_DEFAULT_SPEC "-msecure-plt" ++#define LINK_SECURE_PLT_DEFAULT_SPEC "--secure-plt" +Index: b/gcc/config/rs6000/sysv4.h +=================================================================== +--- a/gcc/config/rs6000/sysv4.h ++++ b/gcc/config/rs6000/sysv4.h +@@ -537,6 +537,9 @@ + #ifndef CC1_SECURE_PLT_DEFAULT_SPEC + #define CC1_SECURE_PLT_DEFAULT_SPEC "" + #endif ++#ifndef LINK_SECURE_PLT_DEFAULT_SPEC ++#define LINK_SECURE_PLT_DEFAULT_SPEC "" ++#endif + + /* Pass -G xxx to the compiler. */ + #define CC1_SPEC "%{G*} %(cc1_cpu)" \ +@@ -585,7 +588,8 @@ + + /* Override the default target of the linker. */ + #define LINK_TARGET_SPEC \ +- ENDIAN_SELECT("", " --oformat elf32-powerpcle", "") ++ ENDIAN_SELECT("", " --oformat elf32-powerpcle", "") \ ++ "%{!mbss-plt: %{!msecure-plt: %(link_secure_plt_default)}}" + + /* Any specific OS flags. */ + #define LINK_OS_SPEC "\ +@@ -763,15 +767,18 @@ + + #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" + #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-powerpc.so.1" + #if DEFAULT_LIBC == LIBC_UCLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}" ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}" ++#elif DEFAULT_LIBC == LIBC_MUSL ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}" + #elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}" ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}" + #else + #error "Unsupported DEFAULT_LIBC" + #endif + #define GNU_USER_DYNAMIC_LINKER \ +- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER) ++ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER) + + #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \ + %{rdynamic:-export-dynamic} \ +@@ -894,6 +901,7 @@ + { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \ + { "link_os_default", LINK_OS_DEFAULT_SPEC }, \ + { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \ ++ { "link_secure_plt_default", LINK_SECURE_PLT_DEFAULT_SPEC }, \ + { "cpp_os_ads", CPP_OS_ADS_SPEC }, \ + { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \ + { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \ +Index: b/gcc/config/sh/linux.h +=================================================================== +--- a/gcc/config/sh/linux.h ++++ b/gcc/config/sh/linux.h +@@ -43,7 +43,15 @@ + + #define TARGET_ASM_FILE_END file_end_indicate_exec_stack + ++#if TARGET_BIG_ENDIAN_DEFAULT /* BE */ ++#define MUSL_DYNAMIC_LINKER_E "eb" ++#else ++#define MUSL_DYNAMIC_LINKER_E ++#endif ++ + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" ++#undef MUSL_DYNAMIC_LINKER ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-sh" MUSL_DYNAMIC_LINKER_E ".so.1" + + #undef SUBTARGET_LINK_EMUL_SUFFIX + #define SUBTARGET_LINK_EMUL_SUFFIX "_linux" +Index: b/gcc/configure +=================================================================== +--- a/gcc/configure ++++ b/gcc/configure +@@ -27300,6 +27300,9 @@ + else + gcc_cv_libc_provides_ssp=no + case "$target" in ++ *-*-musl*) ++ # All versions of musl provide stack protector ++ gcc_cv_libc_provides_ssp=yes;; + *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu) + # glibc 2.4 and later provides __stack_chk_fail and + # either __stack_chk_guard, or TLS access to stack guard canary. +@@ -27332,6 +27335,7 @@ + # ) and for now + # simply assert that glibc does provide this, which is true for all + # realistically usable GNU/Hurd configurations. ++ # All supported versions of musl provide it as well + gcc_cv_libc_provides_ssp=yes;; + *-*-darwin* | *-*-freebsd*) + ac_fn_c_check_func "$LINENO" "__stack_chk_fail" "ac_cv_func___stack_chk_fail" +@@ -27421,6 +27425,9 @@ + gcc_cv_target_dl_iterate_phdr=no + fi + ;; ++ *-linux-musl*) ++ gcc_cv_target_dl_iterate_phdr=yes ++ ;; + esac + + if test x$gcc_cv_target_dl_iterate_phdr = xyes; then +Index: b/gcc/configure.ac +=================================================================== +--- a/gcc/configure.ac ++++ b/gcc/configure.ac +@@ -5001,6 +5001,9 @@ + gcc_cv_libc_provides_ssp, + [gcc_cv_libc_provides_ssp=no + case "$target" in ++ *-*-musl*) ++ # All versions of musl provide stack protector ++ gcc_cv_libc_provides_ssp=yes;; + *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu) + # glibc 2.4 and later provides __stack_chk_fail and + # either __stack_chk_guard, or TLS access to stack guard canary. +@@ -5027,6 +5030,7 @@ + # ) and for now + # simply assert that glibc does provide this, which is true for all + # realistically usable GNU/Hurd configurations. ++ # All supported versions of musl provide it as well + gcc_cv_libc_provides_ssp=yes;; + *-*-darwin* | *-*-freebsd*) + AC_CHECK_FUNC(__stack_chk_fail,[gcc_cv_libc_provides_ssp=yes], +@@ -5093,6 +5097,9 @@ + gcc_cv_target_dl_iterate_phdr=no + fi + ;; ++ *-linux-musl*) ++ gcc_cv_target_dl_iterate_phdr=yes ++ ;; + esac + GCC_TARGET_TEMPLATE([TARGET_DL_ITERATE_PHDR]) + if test x$gcc_cv_target_dl_iterate_phdr = xyes; then +Index: b/gcc/ginclude/stddef.h +=================================================================== +--- a/gcc/ginclude/stddef.h ++++ b/gcc/ginclude/stddef.h +@@ -181,6 +181,7 @@ + #ifndef _GCC_SIZE_T + #ifndef _SIZET_ + #ifndef __size_t ++#ifndef __DEFINED_size_t /* musl */ + #define __size_t__ /* BeOS */ + #define __SIZE_T__ /* Cray Unicos/Mk */ + #define _SIZE_T +@@ -197,6 +198,7 @@ + #define ___int_size_t_h + #define _GCC_SIZE_T + #define _SIZET_ ++#define __DEFINED_size_t /* musl */ + #if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \ + || defined(__FreeBSD_kernel__) + /* __size_t is a typedef on FreeBSD 5, must not trash it. */ +@@ -214,6 +216,7 @@ + typedef long ssize_t; + #endif /* __BEOS__ */ + #endif /* !(defined (__GNUG__) && defined (size_t)) */ ++#endif /* __DEFINED_size_t */ + #endif /* __size_t */ + #endif /* _SIZET_ */ + #endif /* _GCC_SIZE_T */ +Index: b/libgcc/unwind-dw2-fde-dip.c +=================================================================== +--- a/libgcc/unwind-dw2-fde-dip.c ++++ b/libgcc/unwind-dw2-fde-dip.c +@@ -46,33 +46,13 @@ + #include "unwind-compat.h" + #include "gthr.h" + +-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ +- && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \ +- || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG))) +-# define USE_PT_GNU_EH_FRAME +-#endif +- +-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ +- && defined(__BIONIC__) +-# define USE_PT_GNU_EH_FRAME +-#endif +- +-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ +- && defined(__FreeBSD__) && __FreeBSD__ >= 7 +-# define ElfW __ElfN +-# define USE_PT_GNU_EH_FRAME +-#endif +- +-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ +- && defined(__OpenBSD__) +-# define ElfW(type) Elf_##type +-# define USE_PT_GNU_EH_FRAME +-#endif +- +-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ +- && defined(TARGET_DL_ITERATE_PHDR) \ +- && defined(__sun__) && defined(__svr4__) ++#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR) + # define USE_PT_GNU_EH_FRAME ++# ifdef __OpenBSD__ ++# define ElfW(type) Elf_##type ++# elif defined(__FreeBSD__) && __FreeBSD__ >= 7 ++# define ElfW __ElfN ++# endif + #endif + + #if defined(USE_PT_GNU_EH_FRAME) +Index: b/libgomp/config/posix/time.c +=================================================================== +--- a/libgomp/config/posix/time.c ++++ b/libgomp/config/posix/time.c +@@ -28,6 +28,8 @@ + The following implementation uses the most simple POSIX routines. + If present, POSIX 4 clocks should be used instead. */ + ++#define _POSIX_C_SOURCE 199309L /* for clocks */ ++ + #include "libgomp.h" + #include + #if TIME_WITH_SYS_TIME +Index: b/libitm/config/arm/hwcap.cc +=================================================================== +--- a/libitm/config/arm/hwcap.cc ++++ b/libitm/config/arm/hwcap.cc +@@ -40,7 +40,11 @@ + + #ifdef __linux__ + #include ++#ifdef __GLIBC__ + #include ++#else ++#include ++#endif + #include + + static void __attribute__((constructor)) +Index: b/libitm/config/linux/x86/tls.h +=================================================================== +--- a/libitm/config/linux/x86/tls.h ++++ b/libitm/config/linux/x86/tls.h +@@ -25,16 +25,19 @@ + #ifndef LIBITM_X86_TLS_H + #define LIBITM_X86_TLS_H 1 + +-#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10) ++#if defined(__GLIBC_PREREQ) ++#if __GLIBC_PREREQ(2, 10) + /* Use slots in the TCB head rather than __thread lookups. + GLIBC has reserved words 10 through 13 for TM. */ + #define HAVE_ARCH_GTM_THREAD 1 + #define HAVE_ARCH_GTM_THREAD_DISP 1 + #endif ++#endif + + #include "config/generic/tls.h" + +-#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10) ++#if defined(__GLIBC_PREREQ) ++#if __GLIBC_PREREQ(2, 10) + namespace GTM HIDDEN { + + #ifdef __x86_64__ +@@ -101,5 +104,6 @@ + + } // namespace GTM + #endif /* >= GLIBC 2.10 */ ++#endif + + #endif // LIBITM_X86_TLS_H +Index: b/libstdc++-v3/configure.host +=================================================================== +--- a/libstdc++-v3/configure.host ++++ b/libstdc++-v3/configure.host +@@ -264,6 +264,13 @@ + os_include_dir="os/bsd/freebsd" + ;; + gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) ++ # check for musl by target ++ case "${host_os}" in ++ *-musl*) ++ os_include_dir="os/generic" ++ ;; ++ *) ++ + if [ "$uclibc" = "yes" ]; then + os_include_dir="os/uclibc" + elif [ "$bionic" = "yes" ]; then +@@ -272,6 +279,9 @@ + os_include_dir="os/gnu-linux" + fi + ;; ++ ++ esac ++ ;; + hpux*) + os_include_dir="os/hpux" + ;; +Index: b/gcc/config/mips/linux64.h +=================================================================== +--- a/gcc/config/mips/linux64.h ++++ b/gcc/config/mips/linux64.h +@@ -41,4 +41,4 @@ + #define BIONIC_DYNAMIC_LINKERN32 "/system/bin/linker32" + #define GNU_USER_DYNAMIC_LINKERN32 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, \ +- BIONIC_DYNAMIC_LINKERN32) ++ BIONIC_DYNAMIC_LINKERN32, MUSL_DYNAMIC_LINKER) +Index: b/gcc/config/mips/linux.h +=================================================================== +--- a/gcc/config/mips/linux.h ++++ b/gcc/config/mips/linux.h +@@ -23,3 +23,11 @@ + #undef UCLIBC_DYNAMIC_LINKER + #define UCLIBC_DYNAMIC_LINKER \ + "%{mnan=2008:/lib/ld-uClibc-mipsn8.so.0;:/lib/ld-uClibc.so.0}" ++ ++#if TARGET_ENDIAN_DEFAULT == 0 /* LE */ ++#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}" ++#else ++#define MUSL_DYNAMIC_LINKER_E "%{EL:el}" ++#endif ++#undef MUSL_DYNAMIC_LINKER ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips" MUSL_DYNAMIC_LINKER_E ".so.1" diff --git a/package/gcc/4.9.1/powerpc-link-with-math-lib.patch.conditional b/package/gcc/4.9.1/powerpc-link-with-math-lib.patch.conditional new file mode 100644 index 0000000000..b7094fe652 --- /dev/null +++ b/package/gcc/4.9.1/powerpc-link-with-math-lib.patch.conditional @@ -0,0 +1,122 @@ +http://gcc.gnu.org/ml/gcc-patches/2008-10/msg00269.html + +On glibc the libc.so carries a copy of the math function copysignl() but +on uClibc math functions like copysignl() live in libm. Since libgcc_s +contains unresolved symbols, any attempt to link against libgcc_s +without explicitely specifying -lm fails, resulting in a broken +bootstrap of the compiler. + +Forward port to gcc 4.5.1 by Gustavo Zacarias + +--- + libgcc/Makefile.in | 4 +++- + libgcc/configure | 32 ++++++++++++++++++++++++++++++++ + libgcc/configure.ac | 21 +++++++++++++++++++++ + 3 files changed, 56 insertions(+), 1 deletion(-) + +Index: gcc-4.8.0/libgcc/Makefile.in +=================================================================== +--- gcc-4.8.0.orig/libgcc/Makefile.in 2013-02-04 20:06:20.000000000 +0100 ++++ gcc-4.8.0/libgcc/Makefile.in 2013-03-24 09:12:43.000000000 +0100 +@@ -41,6 +41,7 @@ + decimal_float = @decimal_float@ + enable_decimal_float = @enable_decimal_float@ + fixed_point = @fixed_point@ ++LIBGCC_LIBM = @LIBGCC_LIBM@ + + host_noncanonical = @host_noncanonical@ + target_noncanonical = @target_noncanonical@ +@@ -927,9 +928,10 @@ + @multilib_dir@,$(MULTIDIR),$(subst \ + @shlib_objs@,$(objects) libgcc.a,$(subst \ + @shlib_base_name@,libgcc_s,$(subst \ ++ @libgcc_libm@,$(LIBGCC_LIBM),$(subst \ + @shlib_map_file@,$(mapfile),$(subst \ + @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \ +- @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK)))))))) ++ @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))) + + libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts) + # @multilib_flags@ is still needed because this may use +Index: gcc-4.8.0/libgcc/configure +=================================================================== +--- gcc-4.8.0.orig/libgcc/configure 2012-11-05 00:08:42.000000000 +0100 ++++ gcc-4.8.0/libgcc/configure 2013-03-24 09:12:43.000000000 +0100 +@@ -564,6 +564,7 @@ + tmake_file + sfp_machine_header + set_use_emutls ++LIBGCC_LIBM + set_have_cc_tls + vis_hide + fixed_point +@@ -4481,6 +4482,37 @@ + fi + fi + ++# On powerpc libgcc_s references copysignl which is a libm function but ++# glibc apparently also provides it via libc as opposed to uClibc where ++# it lives in libm. ++echo "$as_me:$LINENO: checking for library containing copysignl" >&5 ++echo $ECHO_N "checking for library containing copysignl... $ECHO_C" >&6 ++if test "${libgcc_cv_copysignl_lib+set}" = set; then ++ echo $ECHO_N "(cached) $ECHO_C" >&6 ++else ++ ++ echo '#include ' > conftest.c ++ echo 'int the_libc = __UCLIBC__ + __powerpc__;' >> conftest.c ++ libgcc_cv_copysignl_lib="-lc" ++ if { ac_try='${CC-cc} -S conftest.c -o conftest.s 1>&5' ++ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 ++ (eval $ac_try) 2>&5 ++ ac_status=$? ++ echo "$as_me:$LINENO: \$? = $ac_status" >&5 ++ (exit $ac_status); }; } ++ then ++ libgcc_cv_copysignl_lib="-lm" ++ fi ++ rm -f conftest.* ++ ++fi ++echo "$as_me:$LINENO: result: $libgcc_cv_copysignl_lib" >&5 ++echo "${ECHO_T}$libgcc_cv_copysignl_lib" >&6 ++ ++case /${libgcc_cv_copysignl_lib}/ in ++ /-lm/) LIBGCC_LIBM="$LIBGCC_LIBM -lm" ;; ++ *) LIBGCC_LIBM= ;; ++esac + + # Conditionalize the makefile for this target machine. + tmake_file_= +Index: gcc-4.8.0/libgcc/configure.ac +=================================================================== +--- gcc-4.8.0.orig/libgcc/configure.ac 2012-10-15 15:10:30.000000000 +0200 ++++ gcc-4.8.0/libgcc/configure.ac 2013-03-24 09:12:43.000000000 +0100 +@@ -326,6 +326,27 @@ + fi + AC_SUBST(set_have_cc_tls) + ++# On powerpc libgcc_s references copysignl which is a libm function but ++# glibc apparently also provides it via libc as opposed to uClibc where ++# it lives in libm. ++AC_CACHE_CHECK ++ libgcc_cv_copysignl_lib, ++ echo '#include ' > conftest.c ++ echo 'int the_libc = __UCLIBC__ + __powerpc__;' >> conftest.c ++ libgcc_cv_copysignl_lib="-lc" ++ if AC_TRY_COMMAND(${CC-cc} -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD) ++ then ++ libgcc_cv_copysignl_lib="-lm" ++ fi ++ rm -f conftest.* ++ ]) ++ ++case /${libgcc_cv_copysignl_lib}/ in ++ /-lm/) LIBGCC_LIBM="$LIBGCC_LIBM -lm" ;; ++ *) LIBGCC_LIBM= ;; ++esac ++AC_SUBST(LIBGCC_LIBM) ++ + # See if we have emulated thread-local storage. + GCC_CHECK_EMUTLS + set_use_emutls= diff --git a/package/gcc/Config.in.host b/package/gcc/Config.in.host index 8ec587cd7e..eaff929f7a 100644 --- a/package/gcc/Config.in.host +++ b/package/gcc/Config.in.host @@ -97,7 +97,7 @@ config BR2_GCC_VERSION default "4.5.4" if BR2_GCC_VERSION_4_5_X default "4.7.4" if BR2_GCC_VERSION_4_7_X default "4.8.3" if BR2_GCC_VERSION_4_8_X - default "4.9.0" if BR2_GCC_VERSION_4_9_X + default "4.9.1" if BR2_GCC_VERSION_4_9_X default "arc-4.8-R3" if BR2_GCC_VERSION_4_8_ARC default BR2_GCC_SNAP_DATE if BR2_GCC_VERSION_SNAP