diff options
Diffstat (limited to 'patches/gcc/4.9.3/900-musl-support.patch')
| -rw-r--r-- | patches/gcc/4.9.3/900-musl-support.patch | 640 |
1 files changed, 0 insertions, 640 deletions
diff --git a/patches/gcc/4.9.3/900-musl-support.patch b/patches/gcc/4.9.3/900-musl-support.patch deleted file mode 100644 index a711b068..00000000 --- a/patches/gcc/4.9.3/900-musl-support.patch +++ /dev/null @@ -1,640 +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<foo> 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. - - * change the USE_PT_GNU_EH_FRAME logic to keep the existing gcc logic - and only add the musl one as an addition, not as a replacement. Not - doing this breaks C++ exception handling with glibc, because - USE_PT_GNU_EH_FRAME doesn't get defined due to the configure script - not testing dl_iterate_phdr() on any system except Solaris. - -[Gustavo: remove upstream applied gcc/config/sh/sh.c chunk for 4.9.1] -Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> ---- - -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" - ;; -@@ -2322,6 +2325,10 @@ - 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 @@ - <http://www.gnu.org/licenses/>. */ - - #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 -@@ -27449,6 +27453,9 @@ - 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 -@@ -5108,6 +5112,9 @@ - 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 -@@ -73,6 +73,13 @@ - && defined(TARGET_DL_ITERATE_PHDR) \ - && defined(__sun__) && defined(__svr4__) - # define USE_PT_GNU_EH_FRAME -+ #endif -+ -+/* For musl libc, TARGET_DL_ITERATE_PHDR gets defined by the configure -+ script. */ -+#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ -+ && defined(TARGET_DL_ITERATE_PHDR) -+# define USE_PT_GNU_EH_FRAME - #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 <unistd.h> - #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 <unistd.h> -+#ifdef __GLIBC__ - #include <sys/fcntl.h> -+#else -+#include <fcntl.h> -+#endif - #include <elf.h> - - 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" |