diff options
Diffstat (limited to 'toolchain/gcc/patches/5.2.0/200-musl_config.patch')
| -rw-r--r-- | toolchain/gcc/patches/5.2.0/200-musl_config.patch | 176 |
1 files changed, 143 insertions, 33 deletions
diff --git a/toolchain/gcc/patches/5.2.0/200-musl_config.patch b/toolchain/gcc/patches/5.2.0/200-musl_config.patch index c6887a1bff..a2b41b3726 100644 --- a/toolchain/gcc/patches/5.2.0/200-musl_config.patch +++ b/toolchain/gcc/patches/5.2.0/200-musl_config.patch @@ -1,3 +1,30 @@ +From: ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Fri, 8 May 2015 08:25:47 +0000 (+0000) +Subject: [PATCH 2/13] musl libc config +X-Git-Url: https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff_plain;h=a9173ceabaf29c16f8ef226fbf98af373a4b2ceb + +[PATCH 2/13] musl libc config + +2015-05-08 Gregor Richards <gregor.richards@uwaterloo.ca> + Szabolcs Nagy <szabolcs.nagy@arm.com> + + * 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. + + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@222904 138bc75d-0d04-0410-961f-82ee72b054a4 +--- + --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -575,7 +575,7 @@ case ${target} in @@ -34,9 +61,15 @@ #endif #define GNU_USER_TARGET_OS_CPP_BUILTINS() \ -@@ -53,18 +55,21 @@ see the files COPYING3 and COPYING.RUNTI - uClibc or Bionic is the default C library and whether - -muclibc or -mglibc or -mbionic has been passed to change the default. */ +@@ -50,21 +52,25 @@ see the files COPYING3 and COPYING.RUNTI + } 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 "}}" @@ -64,7 +97,15 @@ #else #error "Unsupported DEFAULT_LIBC" #endif /* DEFAULT_LIBC */ -@@ -84,21 +89,92 @@ see the files COPYING3 and COPYING.RUNTI +@@ -81,24 +87,100 @@ see the files COPYING3 and COPYING.RUNTI + #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, \ @@ -163,37 +204,106 @@ versions, because doing so would require *uclinux* targets to include --- a/gcc/config/linux.opt +++ b/gcc/config/linux.opt -@@ -30,3 +30,7 @@ Use GNU C library +@@ -28,5 +28,9 @@ Target Report RejectNegative Var(linux_l + Use GNU C library + muclibc - Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mbionic) +-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(mglibc) ++Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mbionic) +Use musl C library ---- 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)) \ - || defined(__DragonFly__) \ - || defined(__FreeBSD_kernel__) -@@ -218,6 +220,7 @@ 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 */ +--- a/gcc/configure ++++ b/gcc/configure +@@ -27742,6 +27742,9 @@ if test "${gcc_cv_libc_provides_ssp+set} + else + gcc_cv_libc_provides_ssp=no + case "$target" in ++ *-*-musl*) ++ # All versions of musl provide stack protector ++ gcc_cv_libc_provides_ssp=yes;; + *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu) + # glibc 2.4 and later provides __stack_chk_fail and + # either __stack_chk_guard, or TLS access to stack guard canary. +@@ -27774,6 +27777,7 @@ fi + # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now + # simply assert that glibc does provide this, which is true for all + # realistically usable GNU/Hurd configurations. ++ # All supported versions of musl provide it as well + gcc_cv_libc_provides_ssp=yes;; + *-*-darwin* | *-*-freebsd*) + ac_fn_c_check_func "$LINENO" "__stack_chk_fail" "ac_cv_func___stack_chk_fail" +@@ -27870,6 +27874,9 @@ 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 +--- a/gcc/configure.ac ++++ b/gcc/configure.ac +@@ -5229,6 +5229,9 @@ AC_CACHE_CHECK(__stack_chk_fail in targe + gcc_cv_libc_provides_ssp, + [gcc_cv_libc_provides_ssp=no + case "$target" in ++ *-*-musl*) ++ # All versions of musl provide stack protector ++ gcc_cv_libc_provides_ssp=yes;; + *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu) + # glibc 2.4 and later provides __stack_chk_fail and + # either __stack_chk_guard, or TLS access to stack guard canary. +@@ -5255,6 +5258,7 @@ AC_CACHE_CHECK(__stack_chk_fail in targe + # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now + # simply assert that glibc does provide this, which is true for all + # realistically usable GNU/Hurd configurations. ++ # All supported versions of musl provide it as well + gcc_cv_libc_provides_ssp=yes;; + *-*-darwin* | *-*-freebsd*) + AC_CHECK_FUNC(__stack_chk_fail,[gcc_cv_libc_provides_ssp=yes], +@@ -5328,6 +5332,9 @@ case "$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 +--- a/gcc/doc/invoke.texi ++++ b/gcc/doc/invoke.texi +@@ -667,7 +667,7 @@ 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} +@@ -15324,13 +15324,19 @@ These @samp{-m} options are defined for + @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 |