diff options
Diffstat (limited to 'toolchain/gcc')
| -rw-r--r-- | toolchain/gcc/Config.in | 2 | ||||
| -rw-r--r-- | toolchain/gcc/patches/4.6-linaro/200-musl.patch | 231 | ||||
| -rw-r--r-- | toolchain/gcc/patches/4.6.2/200-musl.patch | 231 | ||||
| -rw-r--r-- | toolchain/gcc/patches/4.6.3/200-musl.patch | 231 | ||||
| -rw-r--r-- | toolchain/gcc/patches/4.7-linaro/200-musl.patch | 317 | ||||
| -rw-r--r-- | toolchain/gcc/patches/4.7.2/200-musl.patch | 336 |
6 files changed, 1347 insertions, 1 deletions
diff --git a/toolchain/gcc/Config.in b/toolchain/gcc/Config.in index 962dd9cf9d..5526b4be79 100644 --- a/toolchain/gcc/Config.in +++ b/toolchain/gcc/Config.in @@ -79,7 +79,7 @@ config SJLJ_EXCEPTIONS config INSTALL_LIBSTDCPP bool prompt "Build/install c++ compiler and libstdc++?" if TOOLCHAINOPTS - default y + default y if !USE_MUSL help Build/install c++ compiler and libstdc++? diff --git a/toolchain/gcc/patches/4.6-linaro/200-musl.patch b/toolchain/gcc/patches/4.6-linaro/200-musl.patch new file mode 100644 index 0000000000..cee994809c --- /dev/null +++ b/toolchain/gcc/patches/4.6-linaro/200-musl.patch @@ -0,0 +1,231 @@ +diff --git a/config.sub b/config.sub +--- a/config.sub ++++ b/config.sub +@@ -125,6 +125,7 @@ esac + maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` + case $maybe_os in + nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ ++ linux-musl* | \ + linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ + knetbsd*-gnu* | netbsd*-gnu* | \ + kopensolaris*-gnu* | \ +@@ -1310,6 +1311,7 @@ case $os in + | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ + | -mingw32* | -linux-gnu* | -linux-android* \ + | -linux-newlib* | -linux-uclibc* \ ++ | -linux-musl* \ + | -uxpv* | -beos* | -mpeix* | -udk* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ +diff --git a/gcc/config.gcc b/gcc/config.gcc +--- a/gcc/config.gcc ++++ b/gcc/config.gcc +@@ -478,7 +478,7 @@ case ${target} in + esac + + # Common C libraries. +-tm_defines="$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" + + # Common parts for widely ported systems. + case ${target} in +@@ -591,6 +591,9 @@ case ${target} in + *-*-*uclibc*) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC" + ;; ++ *-*-*musl*) ++ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL" ++ ;; + *) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC" + ;; +diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h +--- a/gcc/config/arm/linux-eabi.h ++++ b/gcc/config/arm/linux-eabi.h +@@ -64,6 +64,10 @@ + #undef GLIBC_DYNAMIC_LINKER + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3" + ++/* musl has no "classic" (i.e. broken) mode */ ++#undef MUSL_DYNAMIC_LINKER ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-arm.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 +diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h +--- a/gcc/config/i386/linux.h ++++ b/gcc/config/i386/linux.h +@@ -93,6 +93,7 @@ along with GCC; see the file COPYING3. If not see + /* These macros may be overridden in k*bsd-gnu.h and i386/k*bsd-gnu.h. */ + #define LINK_EMULATION "elf_i386" + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1" + + #undef ASM_SPEC + #define ASM_SPEC \ +diff --git a/gcc/config/i386/linux64.h b/gcc/config/i386/linux64.h +--- a/gcc/config/i386/linux64.h ++++ b/gcc/config/i386/linux64.h +@@ -65,6 +65,9 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" + #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2" + ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1" ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1" ++ + #if TARGET_64BIT_DEFAULT + #define SPEC_32 "m32" + #define SPEC_64 "!m32" +diff --git a/gcc/config/linux.h b/gcc/config/linux.h +--- a/gcc/config/linux.h ++++ b/gcc/config/linux.h +@@ -33,10 +33,12 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + #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 LINUX_TARGET_OS_CPP_BUILTINS() \ +@@ -54,18 +56,21 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + 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 */ +@@ -83,13 +88,13 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + + #define LINUX_DYNAMIC_LINKER \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \ +- BIONIC_DYNAMIC_LINKER) ++ BIONIC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER) + #define LINUX_DYNAMIC_LINKER32 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \ +- BIONIC_DYNAMIC_LINKER32) ++ BIONIC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32) + #define LINUX_DYNAMIC_LINKER64 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \ +- BIONIC_DYNAMIC_LINKER64) ++ BIONIC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64) + + /* Determine whether the entire c99 runtime + is present in the runtime library. */ +diff --git a/gcc/config/linux.opt b/gcc/config/linux.opt +--- a/gcc/config/linux.opt ++++ b/gcc/config/linux.opt +@@ -30,3 +30,7 @@ Use GNU C library + 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 +diff --git a/gcc/config/mips/linux.h b/gcc/config/mips/linux.h +--- a/gcc/config/mips/linux.h ++++ b/gcc/config/mips/linux.h +@@ -63,6 +63,8 @@ along with GCC; see the file COPYING3. If not see + + #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" + ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips.so.1" ++ + /* Borrowed from sparc/linux.h */ + #undef LINK_SPEC + #define LINK_SPEC \ +diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h +--- a/gcc/ginclude/stddef.h ++++ b/gcc/ginclude/stddef.h +@@ -184,6 +184,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t; + #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 +@@ -200,6 +201,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t; + #define ___int_size_t_h + #define _GCC_SIZE_T + #define _SIZET_ ++#define __DEFINED_size_t /* musl */ + #if defined (__FreeBSD__) && (__FreeBSD__ >= 5) + /* __size_t is a typedef on FreeBSD 5!, must not trash it. */ + #else +@@ -214,6 +216,7 @@ typedef __SIZE_TYPE__ size_t; + 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 */ +diff --git a/libgomp/config/posix/time.c 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 <unistd.h> + #if TIME_WITH_SYS_TIME +diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host +--- a/libstdc++-v3/configure.host ++++ b/libstdc++-v3/configure.host +@@ -237,6 +237,13 @@ case "${host_os}" in + os_include_dir="os/bsd/freebsd" + ;; + gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) ++ # check for musl by target ++ case "${host_os}" in ++ *-musl*) ++ os_include_dir="os/generic" ++ ;; ++ *) ++ + if [ "$uclibc" = "yes" ]; then + os_include_dir="os/uclibc" + elif [ "$bionic" = "yes" ]; then +@@ -245,6 +252,9 @@ case "${host_os}" in + os_include_dir="os/gnu-linux" + fi + ;; ++ ++ esac ++ ;; + hpux*) + os_include_dir="os/hpux" + ;; diff --git a/toolchain/gcc/patches/4.6.2/200-musl.patch b/toolchain/gcc/patches/4.6.2/200-musl.patch new file mode 100644 index 0000000000..cee994809c --- /dev/null +++ b/toolchain/gcc/patches/4.6.2/200-musl.patch @@ -0,0 +1,231 @@ +diff --git a/config.sub b/config.sub +--- a/config.sub ++++ b/config.sub +@@ -125,6 +125,7 @@ esac + maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` + case $maybe_os in + nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ ++ linux-musl* | \ + linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ + knetbsd*-gnu* | netbsd*-gnu* | \ + kopensolaris*-gnu* | \ +@@ -1310,6 +1311,7 @@ case $os in + | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ + | -mingw32* | -linux-gnu* | -linux-android* \ + | -linux-newlib* | -linux-uclibc* \ ++ | -linux-musl* \ + | -uxpv* | -beos* | -mpeix* | -udk* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ +diff --git a/gcc/config.gcc b/gcc/config.gcc +--- a/gcc/config.gcc ++++ b/gcc/config.gcc +@@ -478,7 +478,7 @@ case ${target} in + esac + + # Common C libraries. +-tm_defines="$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" + + # Common parts for widely ported systems. + case ${target} in +@@ -591,6 +591,9 @@ case ${target} in + *-*-*uclibc*) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC" + ;; ++ *-*-*musl*) ++ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL" ++ ;; + *) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC" + ;; +diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h +--- a/gcc/config/arm/linux-eabi.h ++++ b/gcc/config/arm/linux-eabi.h +@@ -64,6 +64,10 @@ + #undef GLIBC_DYNAMIC_LINKER + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3" + ++/* musl has no "classic" (i.e. broken) mode */ ++#undef MUSL_DYNAMIC_LINKER ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-arm.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 +diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h +--- a/gcc/config/i386/linux.h ++++ b/gcc/config/i386/linux.h +@@ -93,6 +93,7 @@ along with GCC; see the file COPYING3. If not see + /* These macros may be overridden in k*bsd-gnu.h and i386/k*bsd-gnu.h. */ + #define LINK_EMULATION "elf_i386" + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1" + + #undef ASM_SPEC + #define ASM_SPEC \ +diff --git a/gcc/config/i386/linux64.h b/gcc/config/i386/linux64.h +--- a/gcc/config/i386/linux64.h ++++ b/gcc/config/i386/linux64.h +@@ -65,6 +65,9 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" + #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2" + ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1" ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1" ++ + #if TARGET_64BIT_DEFAULT + #define SPEC_32 "m32" + #define SPEC_64 "!m32" +diff --git a/gcc/config/linux.h b/gcc/config/linux.h +--- a/gcc/config/linux.h ++++ b/gcc/config/linux.h +@@ -33,10 +33,12 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + #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 LINUX_TARGET_OS_CPP_BUILTINS() \ +@@ -54,18 +56,21 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + 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 */ +@@ -83,13 +88,13 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + + #define LINUX_DYNAMIC_LINKER \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \ +- BIONIC_DYNAMIC_LINKER) ++ BIONIC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER) + #define LINUX_DYNAMIC_LINKER32 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \ +- BIONIC_DYNAMIC_LINKER32) ++ BIONIC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32) + #define LINUX_DYNAMIC_LINKER64 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \ +- BIONIC_DYNAMIC_LINKER64) ++ BIONIC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64) + + /* Determine whether the entire c99 runtime + is present in the runtime library. */ +diff --git a/gcc/config/linux.opt b/gcc/config/linux.opt +--- a/gcc/config/linux.opt ++++ b/gcc/config/linux.opt +@@ -30,3 +30,7 @@ Use GNU C library + 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 +diff --git a/gcc/config/mips/linux.h b/gcc/config/mips/linux.h +--- a/gcc/config/mips/linux.h ++++ b/gcc/config/mips/linux.h +@@ -63,6 +63,8 @@ along with GCC; see the file COPYING3. If not see + + #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" + ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips.so.1" ++ + /* Borrowed from sparc/linux.h */ + #undef LINK_SPEC + #define LINK_SPEC \ +diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h +--- a/gcc/ginclude/stddef.h ++++ b/gcc/ginclude/stddef.h +@@ -184,6 +184,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t; + #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 +@@ -200,6 +201,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t; + #define ___int_size_t_h + #define _GCC_SIZE_T + #define _SIZET_ ++#define __DEFINED_size_t /* musl */ + #if defined (__FreeBSD__) && (__FreeBSD__ >= 5) + /* __size_t is a typedef on FreeBSD 5!, must not trash it. */ + #else +@@ -214,6 +216,7 @@ typedef __SIZE_TYPE__ size_t; + 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 */ +diff --git a/libgomp/config/posix/time.c 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 <unistd.h> + #if TIME_WITH_SYS_TIME +diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host +--- a/libstdc++-v3/configure.host ++++ b/libstdc++-v3/configure.host +@@ -237,6 +237,13 @@ case "${host_os}" in + os_include_dir="os/bsd/freebsd" + ;; + gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) ++ # check for musl by target ++ case "${host_os}" in ++ *-musl*) ++ os_include_dir="os/generic" ++ ;; ++ *) ++ + if [ "$uclibc" = "yes" ]; then + os_include_dir="os/uclibc" + elif [ "$bionic" = "yes" ]; then +@@ -245,6 +252,9 @@ case "${host_os}" in + os_include_dir="os/gnu-linux" + fi + ;; ++ ++ esac ++ ;; + hpux*) + os_include_dir="os/hpux" + ;; diff --git a/toolchain/gcc/patches/4.6.3/200-musl.patch b/toolchain/gcc/patches/4.6.3/200-musl.patch new file mode 100644 index 0000000000..cee994809c --- /dev/null +++ b/toolchain/gcc/patches/4.6.3/200-musl.patch @@ -0,0 +1,231 @@ +diff --git a/config.sub b/config.sub +--- a/config.sub ++++ b/config.sub +@@ -125,6 +125,7 @@ esac + maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` + case $maybe_os in + nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ ++ linux-musl* | \ + linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ + knetbsd*-gnu* | netbsd*-gnu* | \ + kopensolaris*-gnu* | \ +@@ -1310,6 +1311,7 @@ case $os in + | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ + | -mingw32* | -linux-gnu* | -linux-android* \ + | -linux-newlib* | -linux-uclibc* \ ++ | -linux-musl* \ + | -uxpv* | -beos* | -mpeix* | -udk* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ +diff --git a/gcc/config.gcc b/gcc/config.gcc +--- a/gcc/config.gcc ++++ b/gcc/config.gcc +@@ -478,7 +478,7 @@ case ${target} in + esac + + # Common C libraries. +-tm_defines="$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" + + # Common parts for widely ported systems. + case ${target} in +@@ -591,6 +591,9 @@ case ${target} in + *-*-*uclibc*) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC" + ;; ++ *-*-*musl*) ++ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL" ++ ;; + *) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC" + ;; +diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h +--- a/gcc/config/arm/linux-eabi.h ++++ b/gcc/config/arm/linux-eabi.h +@@ -64,6 +64,10 @@ + #undef GLIBC_DYNAMIC_LINKER + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3" + ++/* musl has no "classic" (i.e. broken) mode */ ++#undef MUSL_DYNAMIC_LINKER ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-arm.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 +diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h +--- a/gcc/config/i386/linux.h ++++ b/gcc/config/i386/linux.h +@@ -93,6 +93,7 @@ along with GCC; see the file COPYING3. If not see + /* These macros may be overridden in k*bsd-gnu.h and i386/k*bsd-gnu.h. */ + #define LINK_EMULATION "elf_i386" + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1" + + #undef ASM_SPEC + #define ASM_SPEC \ +diff --git a/gcc/config/i386/linux64.h b/gcc/config/i386/linux64.h +--- a/gcc/config/i386/linux64.h ++++ b/gcc/config/i386/linux64.h +@@ -65,6 +65,9 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" + #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2" + ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1" ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1" ++ + #if TARGET_64BIT_DEFAULT + #define SPEC_32 "m32" + #define SPEC_64 "!m32" +diff --git a/gcc/config/linux.h b/gcc/config/linux.h +--- a/gcc/config/linux.h ++++ b/gcc/config/linux.h +@@ -33,10 +33,12 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + #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 LINUX_TARGET_OS_CPP_BUILTINS() \ +@@ -54,18 +56,21 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + 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 */ +@@ -83,13 +88,13 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + + #define LINUX_DYNAMIC_LINKER \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \ +- BIONIC_DYNAMIC_LINKER) ++ BIONIC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER) + #define LINUX_DYNAMIC_LINKER32 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \ +- BIONIC_DYNAMIC_LINKER32) ++ BIONIC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32) + #define LINUX_DYNAMIC_LINKER64 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \ +- BIONIC_DYNAMIC_LINKER64) ++ BIONIC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64) + + /* Determine whether the entire c99 runtime + is present in the runtime library. */ +diff --git a/gcc/config/linux.opt b/gcc/config/linux.opt +--- a/gcc/config/linux.opt ++++ b/gcc/config/linux.opt +@@ -30,3 +30,7 @@ Use GNU C library + 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 +diff --git a/gcc/config/mips/linux.h b/gcc/config/mips/linux.h +--- a/gcc/config/mips/linux.h ++++ b/gcc/config/mips/linux.h +@@ -63,6 +63,8 @@ along with GCC; see the file COPYING3. If not see + + #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" + ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips.so.1" ++ + /* Borrowed from sparc/linux.h */ + #undef LINK_SPEC + #define LINK_SPEC \ +diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h +--- a/gcc/ginclude/stddef.h ++++ b/gcc/ginclude/stddef.h +@@ -184,6 +184,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t; + #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 +@@ -200,6 +201,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t; + #define ___int_size_t_h + #define _GCC_SIZE_T + #define _SIZET_ ++#define __DEFINED_size_t /* musl */ + #if defined (__FreeBSD__) && (__FreeBSD__ >= 5) + /* __size_t is a typedef on FreeBSD 5!, must not trash it. */ + #else +@@ -214,6 +216,7 @@ typedef __SIZE_TYPE__ size_t; + 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 */ +diff --git a/libgomp/config/posix/time.c 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 <unistd.h> + #if TIME_WITH_SYS_TIME +diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host +--- a/libstdc++-v3/configure.host ++++ b/libstdc++-v3/configure.host +@@ -237,6 +237,13 @@ case "${host_os}" in + os_include_dir="os/bsd/freebsd" + ;; + gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) ++ # check for musl by target ++ case "${host_os}" in ++ *-musl*) ++ os_include_dir="os/generic" ++ ;; ++ *) ++ + if [ "$uclibc" = "yes" ]; then + os_include_dir="os/uclibc" + elif [ "$bionic" = "yes" ]; then +@@ -245,6 +252,9 @@ case "${host_os}" in + os_include_dir="os/gnu-linux" + fi + ;; ++ ++ esac ++ ;; + hpux*) + os_include_dir="os/hpux" + ;; diff --git a/toolchain/gcc/patches/4.7-linaro/200-musl.patch b/toolchain/gcc/patches/4.7-linaro/200-musl.patch new file mode 100644 index 0000000000..a3f0757f22 --- /dev/null +++ b/toolchain/gcc/patches/4.7-linaro/200-musl.patch @@ -0,0 +1,317 @@ +diff --git a/gcc/config.gcc b/gcc/config.gcc +--- a/gcc/config.gcc ++++ b/gcc/config.gcc +@@ -522,7 +522,7 @@ + esac + + # Common C libraries. +-tm_defines="$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" + + # Common parts for widely ported systems. + case ${target} in +@@ -625,6 +625,9 @@ + *-*-*uclibc*) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC" + ;; ++ *-*-*musl*) ++ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL" ++ ;; + *) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC" + ;; +@@ -1722,6 +1725,7 @@ + tm_file="${tm_file} dbxelf.h gnu-user.h linux.h microblaze/linux.h" + c_target_objs="${c_target_objs} microblaze-c.o" + cxx_target_objs="${cxx_target_objs} microblaze-c.o" ++ tmake_file="${tmake_file} microblaze/t-microblaze" + ;; + microblaze*-*-*) + tm_file="${tm_file} dbxelf.h" +diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h +--- a/gcc/config/arm/linux-eabi.h ++++ b/gcc/config/arm/linux-eabi.h +@@ -64,6 +64,10 @@ + #undef GLIBC_DYNAMIC_LINKER + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3" + ++/* musl has no "classic" (i.e. broken) mode */ ++#undef MUSL_DYNAMIC_LINKER ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-arm.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 +diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h +--- a/gcc/config/i386/linux.h ++++ b/gcc/config/i386/linux.h +@@ -22,3 +22,4 @@ + + #define GNU_USER_LINK_EMULATION "elf_i386" + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1" +diff --git a/gcc/config/i386/linux64.h b/gcc/config/i386/linux64.h +--- a/gcc/config/i386/linux64.h ++++ b/gcc/config/i386/linux64.h +@@ -31,3 +31,7 @@ + #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" ++ ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1" ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1" ++#define MUSL_DYNAMIC_LINKERX32 "/lib/ld-musl-x32.so.1" +diff --git a/gcc/config/linux.h b/gcc/config/linux.h +--- a/gcc/config/linux.h ++++ b/gcc/config/linux.h +@@ -33,10 +33,12 @@ + #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() \ +@@ -54,18 +56,21 @@ + 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 */ +@@ -85,16 +90,16 @@ + + #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_LINKERX32) + + /* Determine whether the entire c99 runtime + is present in the runtime library. */ +diff --git a/gcc/config/linux.opt 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 +diff --git a/gcc/config/mips/linux.h b/gcc/config/mips/linux.h +--- a/gcc/config/mips/linux.h ++++ b/gcc/config/mips/linux.h +@@ -19,3 +19,5 @@ + <http://www.gnu.org/licenses/>. */ + + #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" ++ ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips.so.1" +diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h +--- a/gcc/config/rs6000/linux64.h ++++ b/gcc/config/rs6000/linux64.h +@@ -362,17 +362,21 @@ + #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld64.so.1" + #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0" + #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0" ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-powerpc.so.1" ++#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) + + + #define LINK_OS_LINUX_SPEC32 "-m elf32ppclinux %{!shared: %{!static: \ +diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h +--- a/gcc/config/rs6000/sysv4.h ++++ b/gcc/config/rs6000/sysv4.h +@@ -804,15 +804,18 @@ + + #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} \ +diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h +--- a/gcc/ginclude/stddef.h ++++ b/gcc/ginclude/stddef.h +@@ -184,6 +184,7 @@ + #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 +@@ -200,6 +201,7 @@ + #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. */ +@@ -215,6 +217,7 @@ + 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 */ +diff --git a/libgomp/config/posix/time.c 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 <unistd.h> + #if TIME_WITH_SYS_TIME +diff --git a/libitm/config/arm/hwcap.cc 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 <unistd.h> ++#ifdef __GLIBC__ + #include <sys/fcntl.h> ++#else ++#include <fcntl.h> ++#endif + #include <elf.h> + + static void __attribute__((constructor)) +diff --git a/libitm/config/linux/x86/tls.h 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 +diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host +--- a/libstdc++-v3/configure.host ++++ b/libstdc++-v3/configure.host +@@ -243,6 +243,13 @@ + 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 +@@ -251,6 +258,9 @@ + os_include_dir="os/gnu-linux" + fi + ;; ++ ++ esac ++ ;; + hpux*) + os_include_dir="os/hpux" + ;; diff --git a/toolchain/gcc/patches/4.7.2/200-musl.patch b/toolchain/gcc/patches/4.7.2/200-musl.patch new file mode 100644 index 0000000000..5d0d49ba6d --- /dev/null +++ b/toolchain/gcc/patches/4.7.2/200-musl.patch @@ -0,0 +1,336 @@ +diff --git a/config.sub b/config.sub +--- a/config.sub ++++ b/config.sub +@@ -125,6 +125,7 @@ + maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` + case $maybe_os in + nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ ++ linux-musl* | \ + linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ + knetbsd*-gnu* | netbsd*-gnu* | \ + kopensolaris*-gnu* | \ +@@ -1346,6 +1347,7 @@ + | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ + | -mingw32* | -linux-gnu* | -linux-android* \ + | -linux-newlib* | -linux-uclibc* \ ++ | -linux-musl* \ + | -uxpv* | -beos* | -mpeix* | -udk* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ +diff --git a/gcc/config.gcc b/gcc/config.gcc +--- a/gcc/config.gcc ++++ b/gcc/config.gcc +@@ -522,7 +522,7 @@ + esac + + # Common C libraries. +-tm_defines="$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" + + # Common parts for widely ported systems. + case ${target} in +@@ -625,6 +625,9 @@ + *-*-*uclibc*) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC" + ;; ++ *-*-*musl*) ++ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL" ++ ;; + *) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC" + ;; +@@ -1722,6 +1725,7 @@ + tm_file="${tm_file} dbxelf.h gnu-user.h linux.h microblaze/linux.h" + c_target_objs="${c_target_objs} microblaze-c.o" + cxx_target_objs="${cxx_target_objs} microblaze-c.o" ++ tmake_file="${tmake_file} microblaze/t-microblaze" + ;; + microblaze*-*-*) + tm_file="${tm_file} dbxelf.h" +diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h +--- a/gcc/config/arm/linux-eabi.h ++++ b/gcc/config/arm/linux-eabi.h +@@ -64,6 +64,10 @@ + #undef GLIBC_DYNAMIC_LINKER + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3" + ++/* musl has no "classic" (i.e. broken) mode */ ++#undef MUSL_DYNAMIC_LINKER ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-arm.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 +diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h +--- a/gcc/config/i386/linux.h ++++ b/gcc/config/i386/linux.h +@@ -22,3 +22,4 @@ + + #define GNU_USER_LINK_EMULATION "elf_i386" + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1" +diff --git a/gcc/config/i386/linux64.h b/gcc/config/i386/linux64.h +--- a/gcc/config/i386/linux64.h ++++ b/gcc/config/i386/linux64.h +@@ -31,3 +31,7 @@ + #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" ++ ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1" ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1" ++#define MUSL_DYNAMIC_LINKERX32 "/lib/ld-musl-x32.so.1" +diff --git a/gcc/config/linux.h b/gcc/config/linux.h +--- a/gcc/config/linux.h ++++ b/gcc/config/linux.h +@@ -33,10 +33,12 @@ + #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() \ +@@ -54,18 +56,21 @@ + 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 */ +@@ -85,16 +90,16 @@ + + #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_LINKERX32) + + /* Determine whether the entire c99 runtime + is present in the runtime library. */ +diff --git a/gcc/config/linux.opt 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 +diff --git a/gcc/config/mips/linux.h b/gcc/config/mips/linux.h +--- a/gcc/config/mips/linux.h ++++ b/gcc/config/mips/linux.h +@@ -19,3 +19,5 @@ + <http://www.gnu.org/licenses/>. */ + + #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" ++ ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips.so.1" +diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h +--- a/gcc/config/rs6000/linux64.h ++++ b/gcc/config/rs6000/linux64.h +@@ -362,17 +362,21 @@ + #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld64.so.1" + #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0" + #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0" ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-powerpc.so.1" ++#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) + + + #define LINK_OS_LINUX_SPEC32 "-m elf32ppclinux %{!shared: %{!static: \ +diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h +--- a/gcc/config/rs6000/sysv4.h ++++ b/gcc/config/rs6000/sysv4.h +@@ -804,15 +804,18 @@ + + #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} \ +diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h +--- a/gcc/ginclude/stddef.h ++++ b/gcc/ginclude/stddef.h +@@ -184,6 +184,7 @@ + #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 +@@ -200,6 +201,7 @@ + #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. */ +@@ -215,6 +217,7 @@ + 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 */ +diff --git a/libgomp/config/posix/time.c 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 <unistd.h> + #if TIME_WITH_SYS_TIME +diff --git a/libitm/config/arm/hwcap.cc 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 <unistd.h> ++#ifdef __GLIBC__ + #include <sys/fcntl.h> ++#else ++#include <fcntl.h> ++#endif + #include <elf.h> + + static void __attribute__((constructor)) +diff --git a/libitm/config/linux/x86/tls.h 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 +diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host +--- a/libstdc++-v3/configure.host ++++ b/libstdc++-v3/configure.host +@@ -243,6 +243,13 @@ + 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 +@@ -251,6 +258,9 @@ + os_include_dir="os/gnu-linux" + fi + ;; ++ ++ esac ++ ;; + hpux*) + os_include_dir="os/hpux" + ;; |