[toolchain] gcc/4.5-linaro: backport musl patch

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34425 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 242 insertions, 0 deletions

diff --git a/toolchain/gcc/patches/4.5-linaro/200-musl.patch b/toolchain/gcc/patches/4.5-linaro/200-musl.patch
new file mode 100644
index 0000000000..f29097c8b6
--- /dev/null
+++ b/toolchain/gcc/patches/4.5-linaro/200-musl.patch
@@ -0,0 +1,242 @@
+diff -urN gcc-linaro-4.5-2012.03/config.sub gcc-linaro-4.5-2012.03.new/config.sub
+--- gcc-linaro-4.5-2012.03/config.sub	2012-03-12 12:29:55.000000000 +0100
++++ gcc-linaro-4.5-2012.03.new/config.sub	2012-11-29 15:45:43.802377940 +0100
+@@ -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* | \
+@@ -1310,6 +1311,7 @@
+ 	      | -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 -urN gcc-linaro-4.5-2012.03/gcc/config/arm/linux-eabi.h gcc-linaro-4.5-2012.03.new/gcc/config/arm/linux-eabi.h
+--- gcc-linaro-4.5-2012.03/gcc/config/arm/linux-eabi.h	2012-03-12 12:29:55.000000000 +0100
++++ gcc-linaro-4.5-2012.03.new/gcc/config/arm/linux-eabi.h	2012-11-29 15:45:43.802377940 +0100
+@@ -63,6 +63,10 @@
+ #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 -urN gcc-linaro-4.5-2012.03/gcc/config/i386/linux.h gcc-linaro-4.5-2012.03.new/gcc/config/i386/linux.h
+--- gcc-linaro-4.5-2012.03/gcc/config/i386/linux.h	2012-03-12 12:29:55.000000000 +0100
++++ gcc-linaro-4.5-2012.03.new/gcc/config/i386/linux.h	2012-11-29 15:45:43.802377940 +0100
+@@ -101,6 +101,7 @@
+ /* 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 -urN gcc-linaro-4.5-2012.03/gcc/config/i386/linux64.h gcc-linaro-4.5-2012.03.new/gcc/config/i386/linux64.h
+--- gcc-linaro-4.5-2012.03/gcc/config/i386/linux64.h	2012-03-12 12:29:55.000000000 +0100
++++ gcc-linaro-4.5-2012.03.new/gcc/config/i386/linux64.h	2012-11-29 15:45:43.802377940 +0100
+@@ -61,6 +61,9 @@
+ #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 -urN gcc-linaro-4.5-2012.03/gcc/config/linux.h gcc-linaro-4.5-2012.03.new/gcc/config/linux.h
+--- gcc-linaro-4.5-2012.03/gcc/config/linux.h	2012-03-12 12:29:55.000000000 +0100
++++ gcc-linaro-4.5-2012.03.new/gcc/config/linux.h	2012-11-29 15:46:48.982379607 +0100
+@@ -86,6 +86,7 @@
+ #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)
+ 
+ #define LINUX_TARGET_OS_CPP_BUILTINS()				\
+     do {							\
+@@ -120,18 +121,21 @@
+    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 */
+@@ -149,13 +153,13 @@
+ 
+ #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 -urN gcc-linaro-4.5-2012.03/gcc/config/linux.opt gcc-linaro-4.5-2012.03.new/gcc/config/linux.opt
+--- gcc-linaro-4.5-2012.03/gcc/config/linux.opt	2012-03-12 12:29:55.000000000 +0100
++++ gcc-linaro-4.5-2012.03.new/gcc/config/linux.opt	2012-11-29 15:45:43.802377940 +0100
+@@ -30,3 +30,7 @@
+ muclibc
+ Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) VarExists Negative(mbionic)
+ Use uClibc C library
++
++mmusl
++Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mglibc)
++Use musl C library
+diff -urN gcc-linaro-4.5-2012.03/gcc/config/mips/linux.h gcc-linaro-4.5-2012.03.new/gcc/config/mips/linux.h
+--- gcc-linaro-4.5-2012.03/gcc/config/mips/linux.h	2012-03-12 12:29:55.000000000 +0100
++++ gcc-linaro-4.5-2012.03.new/gcc/config/mips/linux.h	2012-11-29 15:45:43.802377940 +0100
+@@ -66,6 +66,8 @@
+ 
+ #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 -urN gcc-linaro-4.5-2012.03/gcc/config/mips/linux64.h gcc-linaro-4.5-2012.03.new/gcc/config/mips/linux64.h
+--- gcc-linaro-4.5-2012.03/gcc/config/mips/linux64.h	2012-03-12 12:29:55.000000000 +0100
++++ gcc-linaro-4.5-2012.03.new/gcc/config/mips/linux64.h	2012-11-29 15:48:10.542381697 +0100
+@@ -39,8 +39,11 @@
+ #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld.so.1"
+ #define GLIBC_DYNAMIC_LINKERN32 "/lib32/ld.so.1"
+ #define UCLIBC_DYNAMIC_LINKERN32 "/lib32/ld-uClibc.so.0"
++#define MUSL_DYNAMIC_LINKERN32 "/lib32/ld-musl-mips.so.1"
++#define MUSL_DYNAMIC_LINKER32 "/lib32/ld-musl-mips.so.1"
++#define MUSL_DYNAMIC_LINKER64 "/lib64/ld-musl-mips.so.1"
+ #define LINUX_DYNAMIC_LINKERN32 \
+-  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32)
++  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, MUSL_DYNAMIC_LINKERN32)
+ 
+ #undef LINK_SPEC
+ #define LINK_SPEC "\
+diff -urN gcc-linaro-4.5-2012.03/gcc/config.gcc gcc-linaro-4.5-2012.03.new/gcc/config.gcc
+--- gcc-linaro-4.5-2012.03/gcc/config.gcc	2012-03-12 12:29:55.000000000 +0100
++++ gcc-linaro-4.5-2012.03.new/gcc/config.gcc	2012-11-29 15:46:18.474378826 +0100
+@@ -514,7 +514,7 @@
+       tmake_file="$tmake_file t-gnu";;
+   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"
+   # glibc / uclibc / bionic switch.
+   # uclibc and bionic aren't usable for GNU/Hurd and neither for GNU/k*BSD.
+   case $target in
+@@ -530,6 +530,9 @@
+     *-*-*uclibc*)
+       tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC"
+       ;;
++    *-*-*musl*)
++      tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL"
++      ;;
+     *)
+       tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC"
+       ;;
+diff -urN gcc-linaro-4.5-2012.03/gcc/ginclude/stddef.h gcc-linaro-4.5-2012.03.new/gcc/ginclude/stddef.h
+--- gcc-linaro-4.5-2012.03/gcc/ginclude/stddef.h	2012-03-12 12:29:55.000000000 +0100
++++ gcc-linaro-4.5-2012.03.new/gcc/ginclude/stddef.h	2012-11-29 15:45:43.802377940 +0100
+@@ -183,6 +183,7 @@
+ #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
+@@ -199,6 +200,7 @@
+ #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
+@@ -213,6 +215,7 @@
+ 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 -urN gcc-linaro-4.5-2012.03/libgomp/config/posix/time.c gcc-linaro-4.5-2012.03.new/libgomp/config/posix/time.c
+--- gcc-linaro-4.5-2012.03/libgomp/config/posix/time.c	2012-03-12 12:29:55.000000000 +0100
++++ gcc-linaro-4.5-2012.03.new/libgomp/config/posix/time.c	2012-11-29 15:45:43.802377940 +0100
+@@ -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 -urN gcc-linaro-4.5-2012.03/libstdc++-v3/configure.host gcc-linaro-4.5-2012.03.new/libstdc++-v3/configure.host
+--- gcc-linaro-4.5-2012.03/libstdc++-v3/configure.host	2012-03-12 12:29:55.000000000 +0100
++++ gcc-linaro-4.5-2012.03.new/libstdc++-v3/configure.host	2012-11-29 15:45:43.806377939 +0100
+@@ -236,6 +236,13 @@
+     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
+@@ -244,6 +251,9 @@
+       os_include_dir="os/gnu-linux"
+     fi
+     ;;
++
++    esac
++    ;;
+   hpux*)
+     os_include_dir="os/hpux"
+     ;;