diff options
Diffstat (limited to 'etc/patches/gcc-4.7.4/musl-support')
8 files changed, 822 insertions, 0 deletions
diff --git a/etc/patches/gcc-4.7.4/musl-support/0001-config.sub-add-musl-support-for-gmp-mpc-mpfr.patch b/etc/patches/gcc-4.7.4/musl-support/0001-config.sub-add-musl-support-for-gmp-mpc-mpfr.patch new file mode 100644 index 0000000..0dd1b0d --- /dev/null +++ b/etc/patches/gcc-4.7.4/musl-support/0001-config.sub-add-musl-support-for-gmp-mpc-mpfr.patch @@ -0,0 +1,80 @@ +From 491a585201160692ac8683aeb16e884e2537a685 Mon Sep 17 00:00:00 2001 +From: Oliver Reiche <oliver.reiche@huawei.com> +Date: Thu, 29 Jun 2023 18:20:38 +0200 +Subject: [PATCH 1/7] config.sub: Add musl support for gmp/mpc/mpfr + +--- + gmp/configfsf.sub | 4 ++-- + mpc/config.sub | 4 ++-- + mpfr/config.sub | 4 ++-- + 3 files changed, 6 insertions(+), 6 deletions(-) + +diff --git a/gmp/configfsf.sub b/gmp/configfsf.sub +index a649350a6..b08476d3f 100755 +--- a/gmp/configfsf.sub ++++ b/gmp/configfsf.sub +@@ -120,7 +120,7 @@ esac + # Here we must recognize all the valid KERNEL-OS combinations. + maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` + case $maybe_os in +- nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \ ++ nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-musl* | linux-uclibc* | \ + uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \ + storm-chaos* | os2-emx* | rtmk-nova*) + os=-$maybe_os +@@ -1262,7 +1262,7 @@ case $os in + | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \ + | -chorusos* | -chorusrdb* | -cegcc* \ + | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ +- | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \ ++ | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-musl* | -linux-uclibc* \ + | -uxpv* | -beos* | -mpeix* | -udk* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ +diff --git a/mpc/config.sub b/mpc/config.sub +index 6759825a5..0057add97 100755 +--- a/mpc/config.sub ++++ b/mpc/config.sub +@@ -120,7 +120,7 @@ esac + # Here we must recognize all the valid KERNEL-OS combinations. + maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` + case $maybe_os in +- nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \ ++ nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-musl* | linux-uclibc* | \ + uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \ + storm-chaos* | os2-emx* | rtmk-nova*) + os=-$maybe_os +@@ -1250,7 +1250,7 @@ case $os in + | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \ + | -chorusos* | -chorusrdb* \ + | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ +- | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \ ++ | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-musl* | -linux-uclibc* \ + | -uxpv* | -beos* | -mpeix* | -udk* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ +diff --git a/mpfr/config.sub b/mpfr/config.sub +index 1761d8bdf..aeb4ba340 100755 +--- a/mpfr/config.sub ++++ b/mpfr/config.sub +@@ -120,7 +120,7 @@ esac + # Here we must recognize all the valid KERNEL-OS combinations. + maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` + case $maybe_os in +- nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \ ++ nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-musl* | linux-uclibc* | \ + uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \ + storm-chaos* | os2-emx* | rtmk-nova*) + os=-$maybe_os +@@ -1218,7 +1218,7 @@ case $os in + | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \ + | -chorusos* | -chorusrdb* \ + | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ +- | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \ ++ | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-musl* | -linux-uclibc* \ + | -uxpv* | -beos* | -mpeix* | -udk* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ +-- +2.30.2 + diff --git a/etc/patches/gcc-4.7.4/musl-support/0002-config.sub-add-musl-support-for-gcc.patch b/etc/patches/gcc-4.7.4/musl-support/0002-config.sub-add-musl-support-for-gcc.patch new file mode 100644 index 0000000..0c1682c --- /dev/null +++ b/etc/patches/gcc-4.7.4/musl-support/0002-config.sub-add-musl-support-for-gcc.patch @@ -0,0 +1,39 @@ +From c3922f0d82ab03e4702eba4c3359d25fd2139bcf Mon Sep 17 00:00:00 2001 +From: Oliver Reiche <oliver.reiche@huawei.com> +Date: Thu, 29 Jun 2023 18:04:32 +0200 +Subject: [PATCH 2/7] config.sub: Add musl support for gcc + +Backport from GCC 4.8.0 + Git commit: f08bdd699385e0c8cc3c841da3f4f72d9141f68c + Subversion revision: r194449 + +Co-authored-by: Jan-Benedict Glaw <jbglaw@lug-owl.de> +--- + config.sub | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/config.sub b/config.sub +index 78176a440..deebfcee7 100755 +--- a/config.sub ++++ b/config.sub +@@ -125,7 +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-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ ++ linux-musl | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ + knetbsd*-gnu* | netbsd*-gnu* | \ + kopensolaris*-gnu* | \ + storm-chaos* | os2-emx* | rtmk-nova*) +@@ -1345,7 +1345,7 @@ case $os in + | -chorusos* | -chorusrdb* | -cegcc* \ + | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ + | -mingw32* | -linux-gnu* | -linux-android* \ +- | -linux-newlib* | -linux-uclibc* \ ++ | -linux-newlib* | -linux-musl* | -linux-uclibc* \ + | -uxpv* | -beos* | -mpeix* | -udk* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ +-- +2.30.2 + diff --git a/etc/patches/gcc-4.7.4/musl-support/0003-musl-libc-config.patch b/etc/patches/gcc-4.7.4/musl-support/0003-musl-libc-config.patch new file mode 100644 index 0000000..fc3d5b0 --- /dev/null +++ b/etc/patches/gcc-4.7.4/musl-support/0003-musl-libc-config.patch @@ -0,0 +1,330 @@ +From 2568562d330c29bf2b487a85677cd319d78630bf Mon Sep 17 00:00:00 2001 +From: Oliver Reiche <oliver.reiche@huawei.com> +Date: Thu, 29 Jun 2023 16:52:26 +0200 +Subject: [PATCH 3/7] musl libc config + +Backport from GCC 6.1.0 + Git commit: 755658a56b57beca14b5fb70afdf1e588a058f7f + Subversion revision: r222904 + +Original description: + * config.gcc (LIBC_MUSL): New tm_defines macro. + * config/linux.h (OPTION_MUSL): Define. + (MUSL_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER32,) + (MUSL_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKERX32,) + (INCLUDE_DEFAULTS_MUSL_GPP, INCLUDE_DEFAULTS_MUSL_LOCAL,) + (INCLUDE_DEFAULTS_MUSL_PREFIX, INCLUDE_DEFAULTS_MUSL_CROSS,) + (INCLUDE_DEFAULTS_MUSL_TOOL, INCLUDE_DEFAULTS_MUSL_NATIVE): Define. + * config/linux.opt (mmusl): New option. + * doc/invoke.texi (GNU/Linux Options): Document -mmusl. + * configure.ac (gcc_cv_libc_provides_ssp): Add *-*-musl*. + (gcc_cv_target_dl_iterate_phdr): Add *-linux-musl*. + * configure: Regenerate. + +Co-authored-by: Szabolcs Nagy <szabolcs.nagy@arm.com> +Co-authored-by: Gregor Richards <gregor.richards@uwaterloo.ca> +--- + gcc/config.gcc | 5 +- + gcc/config/linux.h | 110 +++++++++++++++++++++++++++++++++++++------ + gcc/config/linux.opt | 6 ++- + gcc/configure | 7 +++ + gcc/configure.ac | 7 +++ + gcc/doc/invoke.texi | 10 +++- + 6 files changed, 127 insertions(+), 18 deletions(-) + +diff --git a/gcc/config.gcc b/gcc/config.gcc +index 9503b96cf..96ddb1a92 100644 +--- a/gcc/config.gcc ++++ b/gcc/config.gcc +@@ -522,7 +522,7 @@ 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 +@@ -625,6 +625,9 @@ 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/linux.h b/gcc/config/linux.h +index fb459e680..064c6067d 100644 +--- 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 GNU_USER_TARGET_OS_CPP_BUILTINS() \ +@@ -51,21 +53,25 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + } while (0) + + /* Determine which dynamic linker to use depending on whether GLIBC or +- uClibc or Bionic is the default C library and whether +- -muclibc or -mglibc or -mbionic has been passed to change the default. */ ++ uClibc or Bionic or musl is the default C library and whether ++ -muclibc or -mglibc or -mbionic or -mmusl 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 */ +@@ -82,19 +88,24 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + #define BIONIC_DYNAMIC_LINKER32 "/system/bin/linker" + #define BIONIC_DYNAMIC_LINKER64 "/system/bin/linker64" + #define BIONIC_DYNAMIC_LINKERX32 "/system/bin/linkerx32" ++/* Should be redefined for each target that supports musl. */ ++#define MUSL_DYNAMIC_LINKER "/dev/null" ++#define MUSL_DYNAMIC_LINKER32 "/dev/null" ++#define MUSL_DYNAMIC_LINKER64 "/dev/null" ++#define MUSL_DYNAMIC_LINKERX32 "/dev/null" + + #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. */ +@@ -108,3 +119,74 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + /* 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 +diff --git a/gcc/config/linux.opt b/gcc/config/linux.opt +index ba6b9f83e..f5e94a9b1 100644 +--- a/gcc/config/linux.opt ++++ b/gcc/config/linux.opt +@@ -28,5 +28,9 @@ Target Report RejectNegative Var(linux_libc,LIBC_GLIBC) Negative(muclibc) + Use GNU C library + + muclibc +-Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mbionic) ++Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mmusl) + Use uClibc C library ++ ++mmusl ++Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mbionic) ++Use musl C library +diff --git a/gcc/configure b/gcc/configure +index 0d8c5e71d..695e7c415 100755 +--- a/gcc/configure ++++ b/gcc/configure +@@ -26791,6 +26791,9 @@ if test "${gcc_cv_libc_provides_ssp+set}" = set; then : + else + gcc_cv_libc_provides_ssp=no + case "$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. +@@ -26824,6 +26827,7 @@ else + # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) 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 "$LINENO" "__stack_chk_fail" "ac_cv_func___stack_chk_fail" +@@ -26906,6 +26910,9 @@ case "$target" in + gcc_cv_target_dl_iterate_phdr=no + fi + ;; ++ *-linux-musl*) ++ gcc_cv_target_dl_iterate_phdr=yes ++ ;; + esac + + if test x$gcc_cv_target_dl_iterate_phdr = xyes; then +diff --git a/gcc/configure.ac b/gcc/configure.ac +index a78a1d76d..b6425efb4 100644 +--- a/gcc/configure.ac ++++ b/gcc/configure.ac +@@ -4669,6 +4669,9 @@ AC_CACHE_CHECK(__stack_chk_fail in target C library, + gcc_cv_libc_provides_ssp, + [gcc_cv_libc_provides_ssp=no + case "$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. +@@ -4702,6 +4705,7 @@ AC_CACHE_CHECK(__stack_chk_fail in target C library, + # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) 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], +@@ -4767,6 +4771,9 @@ case "$target" in + gcc_cv_target_dl_iterate_phdr=no + fi + ;; ++ *-linux-musl*) ++ gcc_cv_target_dl_iterate_phdr=yes ++ ;; + esac + GCC_TARGET_TEMPLATE([TARGET_DL_ITERATE_PHDR]) + if test x$gcc_cv_target_dl_iterate_phdr = xyes; then +diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi +index 625fef25a..159615fe4 100644 +--- a/gcc/doc/invoke.texi ++++ b/gcc/doc/invoke.texi +@@ -595,7 +595,7 @@ Objective-C and Objective-C++ Dialects}. + -mcpu=@var{cpu}} + + @emph{GNU/Linux Options} +-@gccoptlist{-mglibc -muclibc -mbionic -mandroid @gol ++@gccoptlist{-mglibc -muclibc -mmusl -mbionic -mandroid @gol + -tno-android-cc -tno-android-ld} + + @emph{H8/300 Options} +@@ -12879,13 +12879,19 @@ These @samp{-m} options are defined for GNU/Linux targets: + @item -mglibc + @opindex mglibc + Use the GNU C library. This is the default except +-on @samp{*-*-linux-*uclibc*} and @samp{*-*-linux-*android*} targets. ++on @samp{*-*-linux-*uclibc*}, @samp{*-*-linux-*musl*} and ++@samp{*-*-linux-*android*} targets. + + @item -muclibc + @opindex muclibc + Use uClibc C library. This is the default on + @samp{*-*-linux-*uclibc*} targets. + ++@item -mmusl ++@opindex mmusl ++Use the musl C library. This is the default on ++@samp{*-*-linux-*musl*} targets. ++ + @item -mbionic + @opindex mbionic + Use Bionic C library. This is the default on +-- +2.30.2 + diff --git a/etc/patches/gcc-4.7.4/musl-support/0004-x86-musl-support.patch b/etc/patches/gcc-4.7.4/musl-support/0004-x86-musl-support.patch new file mode 100644 index 0000000..012abea --- /dev/null +++ b/etc/patches/gcc-4.7.4/musl-support/0004-x86-musl-support.patch @@ -0,0 +1,50 @@ +From dd5e082250ca7b45ed22f713e10f0ba78b10b798 Mon Sep 17 00:00:00 2001 +From: Oliver Reiche <oliver.reiche@huawei.com> +Date: Thu, 29 Jun 2023 16:53:50 +0200 +Subject: [PATCH 4/7] x86 musl support + +Backport from GCC 6.1.0 + Git commit: cf57e99350d0b44876979c71986d8ca29c361f83 + Subversion revision: r223218 + +Original description: + * config/i386/linux.h (MUSL_DYNAMIC_LINKER): Define. + * config/i386/linux64.h (MUSL_DYNAMIC_LINKER32): Define. + (MUSL_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKERX32): Define. + +Co-authored-by: Szabolcs Nagy <szabolcs.nagy@arm.com> +Co-authored-by: Gregor Richards <gregor.richards@uwaterloo.ca> +--- + gcc/config/i386/linux.h | 3 +++ + gcc/config/i386/linux64.h | 7 +++++++ + 2 files changed, 10 insertions(+) + +diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h +index 73681fe82..f907adfb1 100644 +--- a/gcc/config/i386/linux.h ++++ b/gcc/config/i386/linux.h +@@ -22,3 +22,6 @@ along with GCC; see the file COPYING3. If not see + + #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" +diff --git a/gcc/config/i386/linux64.h b/gcc/config/i386/linux64.h +index 5b0a212ce..cf361b264 100644 +--- a/gcc/config/i386/linux64.h ++++ b/gcc/config/i386/linux64.h +@@ -31,3 +31,10 @@ 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 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" +-- +2.30.2 + diff --git a/etc/patches/gcc-4.7.4/musl-support/0005-libstdc-workaround-for-musl.patch b/etc/patches/gcc-4.7.4/musl-support/0005-libstdc-workaround-for-musl.patch new file mode 100644 index 0000000..0b862e0 --- /dev/null +++ b/etc/patches/gcc-4.7.4/musl-support/0005-libstdc-workaround-for-musl.patch @@ -0,0 +1,50 @@ +From 6f30aa9b58c145331da46adad18dc38926252547 Mon Sep 17 00:00:00 2001 +From: Oliver Reiche <oliver.reiche@huawei.com> +Date: Thu, 29 Jun 2023 17:02:18 +0200 +Subject: [PATCH 5/7] libstdc++ workaround for musl + +Backport from GCC 6.1.0 + Git commit: 85da5c3024f731e719c4093314da8edcd1056527 + Subversion revision: r222329 + +Original description: + * config/os/generic/os_defines.h (_GLIBCXX_GTHREAD_USE_WEAK): Define. + * configure.host (os_include_dir): Set to "os/generic" for linux-musl*. + +Co-authored-by: Szabolcs Nagy <szabolcs.nagy@arm.com> +--- + libstdc++-v3/config/os/generic/os_defines.h | 5 +++++ + libstdc++-v3/configure.host | 3 +++ + 2 files changed, 8 insertions(+) + +diff --git a/libstdc++-v3/config/os/generic/os_defines.h b/libstdc++-v3/config/os/generic/os_defines.h +index 3199bf30b..b8d7c1636 100644 +--- a/libstdc++-v3/config/os/generic/os_defines.h ++++ b/libstdc++-v3/config/os/generic/os_defines.h +@@ -33,4 +33,9 @@ + // System-specific #define, typedefs, corrections, etc, go here. This + // file will come before all others. + ++// Disable the weak reference logic in gthr.h for os/generic because it ++// is broken on every platform unless there is implementation specific ++// workaround in gthr-posix.h and at link-time for static linking. ++#define _GLIBCXX_GTHREAD_USE_WEAK 0 ++ + #endif +diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host +index b0e2cd9ea..df7977151 100644 +--- a/libstdc++-v3/configure.host ++++ b/libstdc++-v3/configure.host +@@ -242,6 +242,9 @@ case "${host_os}" in + freebsd*) + os_include_dir="os/bsd/freebsd" + ;; ++ linux-musl*) ++ os_include_dir="os/generic" ++ ;; + gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) + if [ "$uclibc" = "yes" ]; then + os_include_dir="os/uclibc" +-- +2.30.2 + diff --git a/etc/patches/gcc-4.7.4/musl-support/0006-config.guess-add-musl-support.patch b/etc/patches/gcc-4.7.4/musl-support/0006-config.guess-add-musl-support.patch new file mode 100644 index 0000000..675ec49 --- /dev/null +++ b/etc/patches/gcc-4.7.4/musl-support/0006-config.guess-add-musl-support.patch @@ -0,0 +1,196 @@ +From 3c7b2147778b44abe947fb645074fed0545905ac Mon Sep 17 00:00:00 2001 +From: Oliver Reiche <oliver.reiche@huawei.com> +Date: Thu, 29 Jun 2023 16:43:25 +0200 +Subject: [PATCH 6/7] config.guess: Add musl support + +Backport from GCC 9.1.0 + Git commit: 29305f6018483963fa79b072cf8e95128f3e2cd8 + Subversion revision: r261675 + +Co-authored-by: Ben Elliston <bje@gnu.org> +--- + config.guess | 92 ++++++++++++++++++++++++++++++++-------------------- + 1 file changed, 56 insertions(+), 36 deletions(-) + +diff --git a/config.guess b/config.guess +index b02565c7b..081f4c8b7 100755 +--- a/config.guess ++++ b/config.guess +@@ -142,6 +142,34 @@ UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown + + # Note: order is significant - the case branches are not exclusive. + ++case "$UNAME_SYSTEM" in ++Linux|GNU|GNU/*) ++ # If the system lacks a compiler, then just pick glibc. ++ # We could probably try harder. ++ LIBC=gnu ++ ++ eval $set_cc_for_build ++ cat <<-EOF > "$dummy.c" ++ #include <features.h> ++ #if defined(__UCLIBC__) ++ LIBC=uclibc ++ #elif defined(__dietlibc__) ++ LIBC=dietlibc ++ #else ++ LIBC=gnu ++ #endif ++ EOF ++ eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`" ++ ++ # If ldd exists, use it to detect musl libc. ++ if command -v ldd >/dev/null && \ ++ ldd --version 2>&1 | grep -q ^musl ++ then ++ LIBC=musl ++ fi ++ ;; ++esac ++ + case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in + *:NetBSD:*:*) + # NetBSD (nbsd) targets should (where applicable) match one or +@@ -872,56 +900,48 @@ EOF + EV68*) UNAME_MACHINE=alphaev68 ;; + esac + objdump --private-headers /bin/sh | grep -q ld.so.1 +- if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi +- echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} ++ if test "$?" = 0 ; then LIBC="gnulibc1" ; fi ++ echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + arm*:Linux:*:*) + eval $set_cc_for_build + if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_EABI__ + then +- echo ${UNAME_MACHINE}-unknown-linux-gnu ++ echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + else + if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_PCS_VFP + then +- echo ${UNAME_MACHINE}-unknown-linux-gnueabi ++ echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi + else +- echo ${UNAME_MACHINE}-unknown-linux-gnueabihf ++ echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf + fi + fi + exit ;; + avr32*:Linux:*:*) +- echo ${UNAME_MACHINE}-unknown-linux-gnu ++ echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + cris:Linux:*:*) +- echo cris-axis-linux-gnu ++ echo cris-axis-linux-${LIBC} + exit ;; + crisv32:Linux:*:*) +- echo crisv32-axis-linux-gnu ++ echo crisv32-axis-linux-${LIBC} + exit ;; + frv:Linux:*:*) +- echo frv-unknown-linux-gnu ++ echo frv-unknown-linux-${LIBC} + exit ;; + i*86:Linux:*:*) +- LIBC=gnu +- eval $set_cc_for_build +- sed 's/^ //' << EOF >$dummy.c +- #ifdef __dietlibc__ +- LIBC=dietlibc +- #endif +-EOF +- eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'` + echo "${UNAME_MACHINE}-pc-linux-${LIBC}" + exit ;; + ia64:Linux:*:*) +- echo ${UNAME_MACHINE}-unknown-linux-gnu ++ echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + m32r*:Linux:*:*) +- echo ${UNAME_MACHINE}-unknown-linux-gnu ++ echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + m68*:Linux:*:*) +- echo ${UNAME_MACHINE}-unknown-linux-gnu ++ echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + mips:Linux:*:* | mips64:Linux:*:*) + eval $set_cc_for_build +@@ -940,54 +960,54 @@ EOF + #endif + EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` +- test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } ++ test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; } + ;; + or32:Linux:*:*) +- echo or32-unknown-linux-gnu ++ echo or32-unknown-linux-${LIBC} + exit ;; + padre:Linux:*:*) +- echo sparc-unknown-linux-gnu ++ echo sparc-unknown-linux-${LIBC} + exit ;; + parisc64:Linux:*:* | hppa64:Linux:*:*) +- echo hppa64-unknown-linux-gnu ++ echo hppa64-unknown-linux-${LIBC} + exit ;; + parisc:Linux:*:* | hppa:Linux:*:*) + # Look for CPU level + case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in +- PA7*) echo hppa1.1-unknown-linux-gnu ;; +- PA8*) echo hppa2.0-unknown-linux-gnu ;; +- *) echo hppa-unknown-linux-gnu ;; ++ PA7*) echo hppa1.1-unknown-linux-${LIBC} ;; ++ PA8*) echo hppa2.0-unknown-linux-${LIBC} ;; ++ *) echo hppa-unknown-linux-${LIBC} ;; + esac + exit ;; + ppc64:Linux:*:*) +- echo powerpc64-unknown-linux-gnu ++ echo powerpc64-unknown-linux-${LIBC} + exit ;; + ppc:Linux:*:*) +- echo powerpc-unknown-linux-gnu ++ echo powerpc-unknown-linux-${LIBC} + exit ;; + s390:Linux:*:* | s390x:Linux:*:*) + echo ${UNAME_MACHINE}-ibm-linux + exit ;; + sh64*:Linux:*:*) +- echo ${UNAME_MACHINE}-unknown-linux-gnu ++ echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + sh*:Linux:*:*) +- echo ${UNAME_MACHINE}-unknown-linux-gnu ++ echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + sparc:Linux:*:* | sparc64:Linux:*:*) +- echo ${UNAME_MACHINE}-unknown-linux-gnu ++ echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + tile*:Linux:*:*) +- echo ${UNAME_MACHINE}-unknown-linux-gnu ++ echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + vax:Linux:*:*) +- echo ${UNAME_MACHINE}-dec-linux-gnu ++ echo ${UNAME_MACHINE}-dec-linux-${LIBC} + exit ;; + x86_64:Linux:*:*) +- echo x86_64-unknown-linux-gnu ++ echo x86_64-unknown-linux-${LIBC} + exit ;; + xtensa*:Linux:*:*) +- echo ${UNAME_MACHINE}-unknown-linux-gnu ++ echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + i*86:DYNIX/ptx:4*:*) + # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. +-- +2.30.2 + diff --git a/etc/patches/gcc-4.7.4/musl-support/0007-config.guess-detect-glibc-via-__GLIBC__.patch b/etc/patches/gcc-4.7.4/musl-support/0007-config.guess-detect-glibc-via-__GLIBC__.patch new file mode 100644 index 0000000..ea62d6b --- /dev/null +++ b/etc/patches/gcc-4.7.4/musl-support/0007-config.guess-detect-glibc-via-__GLIBC__.patch @@ -0,0 +1,70 @@ +From 32088af3619e49aecec44260d594fdcf590bfe00 Mon Sep 17 00:00:00 2001 +From: Oliver Reiche <oliver.reiche@huawei.com> +Date: Wed, 19 Jul 2023 11:55:37 +0200 +Subject: [PATCH] config.guess: Detect glibc via __GLIBC__ + +Backport from GCC 11.1.0 + Git commit: 53a90650663e59948f86505660604b5769cf808c and + 74af13c174714dd3b9f1ded4b39955f003c16361 + +Co-authored-by: Iain Sandoe <iain@sandoe.co.uk> +Co-authored-by: Kito Cheng <kito.cheng@sifive.com> +--- + config.guess | 30 ++++++++++++++++++++---------- + 1 file changed, 20 insertions(+), 10 deletions(-) + +diff --git a/config.guess b/config.guess +index 081f4c8b7..3d378a144 100755 +--- a/config.guess ++++ b/config.guess +@@ -144,9 +144,7 @@ UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown + + case "$UNAME_SYSTEM" in + Linux|GNU|GNU/*) +- # If the system lacks a compiler, then just pick glibc. +- # We could probably try harder. +- LIBC=gnu ++ LIBC=unknown + + eval $set_cc_for_build + cat <<-EOF > "$dummy.c" +@@ -155,17 +153,29 @@ Linux|GNU|GNU/*) + LIBC=uclibc + #elif defined(__dietlibc__) + LIBC=dietlibc +- #else ++ #elif defined(__GLIBC__) + LIBC=gnu ++ #else ++ #include <stdarg.h> ++ /* First heuristic to detect musl libc. */ ++ #ifdef __DEFINED_va_list ++ LIBC=musl ++ #endif + #endif + EOF +- eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`" ++ eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`" + +- # If ldd exists, use it to detect musl libc. +- if command -v ldd >/dev/null && \ +- ldd --version 2>&1 | grep -q ^musl +- then +- LIBC=musl ++ # Second heuristic to detect musl libc. ++ if [ "$LIBC" = unknown ] && ++ command -v ldd >/dev/null && ++ ldd --version 2>&1 | grep -q ^musl; then ++ LIBC=musl ++ fi ++ ++ # If the system lacks a compiler, then just pick glibc. ++ # We could probably try harder. ++ if [ "$LIBC" = unknown ]; then ++ LIBC=gnu + fi + ;; + esac +-- +2.30.2 + diff --git a/etc/patches/gcc-4.7.4/musl-support/series b/etc/patches/gcc-4.7.4/musl-support/series new file mode 100644 index 0000000..00daf30 --- /dev/null +++ b/etc/patches/gcc-4.7.4/musl-support/series @@ -0,0 +1,7 @@ +0001-config.sub-add-musl-support-for-gmp-mpc-mpfr.patch +0002-config.sub-add-musl-support-for-gcc.patch +0003-musl-libc-config.patch +0004-x86-musl-support.patch +0005-libstdc-workaround-for-musl.patch +0006-config.guess-add-musl-support.patch +0007-config.guess-detect-glibc-via-__GLIBC__.patch |