fix gcc subpackage

7 files changed, 1051 insertions, 0 deletions

diff --git a/package/gcc/patches/musl-cris.patch b/package/gcc/patches/musl-cris.patch
new file mode 100644
index 000000000..4889263a1
--- /dev/null
+++ b/package/gcc/patches/musl-cris.patch
@@ -0,0 +1,11 @@
+diff -Nur gcc-4.7.3.orig/gcc/config/cris/linux.h gcc-4.7.3/gcc/config/cris/linux.h
+--- gcc-4.7.3.orig/gcc/config/cris/linux.h	2011-04-11 20:46:05.000000000 +0200
++++ gcc-4.7.3/gcc/config/cris/linux.h	2013-10-11 10:01:51.000000000 +0200
+@@ -104,6 +104,7 @@
+ #define CRIS_DEFAULT_CPU_VERSION CRIS_CPU_NG
+ 
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-cris.1"
+ 
+ #undef CRIS_LINK_SUBTARGET_SPEC
+ #define CRIS_LINK_SUBTARGET_SPEC \
diff --git a/package/gcc/patches/musl-cross.patch b/package/gcc/patches/musl-cross.patch
new file mode 100644
index 000000000..453ba9aec
--- /dev/null
+++ b/package/gcc/patches/musl-cross.patch
@@ -0,0 +1,825 @@
+diff -Nur gcc-4.7.3.orig/config.sub gcc-4.7.3/config.sub
+--- gcc-4.7.3.orig/config.sub	2012-08-06 16:34:27.000000000 +0200
++++ gcc-4.7.3/config.sub	2013-09-16 15:39:42.000000000 +0200
+@@ -4,7 +4,7 @@
+ #   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+ #   2011 Free Software Foundation, Inc.
+ 
+-timestamp='2011-10-29'
++timestamp='2011-03-23'
+ 
+ # This file is (in principle) common to ALL GNU software.
+ # The presence of a machine in this file suggests that SOME GNU software
+@@ -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* | \
+@@ -251,17 +252,13 @@
+ 	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
+ 	| am33_2.0 \
+ 	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
+-        | be32 | be64 \
+ 	| bfin \
+ 	| c4x | clipper \
+ 	| d10v | d30v | dlx | dsp16xx \
+-	| epiphany \
+ 	| fido | fr30 | frv \
+ 	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+-	| hexagon \
+ 	| i370 | i860 | i960 | ia64 \
+ 	| ip2k | iq2000 \
+-	| le32 | le64 \
+ 	| lm32 \
+ 	| m32c | m32r | m32rle | m68000 | m68k | m88k \
+ 	| maxq | mb | microblaze | mcore | mep | metag \
+@@ -295,7 +292,7 @@
+ 	| pdp10 | pdp11 | pj | pjl \
+ 	| powerpc | powerpc64 | powerpc64le | powerpcle \
+ 	| pyramid \
+-	| rl78 | rx \
++	| rx \
+ 	| score \
+ 	| sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
+ 	| sh64 | sh64le \
+@@ -304,7 +301,7 @@
+ 	| spu \
+ 	| tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
+ 	| ubicom32 \
+-	| v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
++	| v850 | v850e \
+ 	| we32k \
+ 	| x86 | xc16x | xstormy16 | xtensa \
+ 	| z8k | z80)
+@@ -361,7 +358,6 @@
+ 	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
+ 	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
+ 	| avr-* | avr32-* \
+-	| be32-* | be64-* \
+ 	| bfin-* | bs2000-* \
+ 	| c[123]* | c30-* | [cjt]90-* | c4x-* \
+ 	| clipper-* | craynv-* | cydra-* \
+@@ -370,10 +366,8 @@
+ 	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
+ 	| h8300-* | h8500-* \
+ 	| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
+-	| hexagon-* \
+ 	| i*86-* | i860-* | i960-* | ia64-* \
+ 	| ip2k-* | iq2000-* \
+-	| le32-* | le64-* \
+ 	| lm32-* \
+ 	| m32c-* | m32r-* | m32rle-* \
+ 	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
+@@ -407,7 +401,7 @@
+ 	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
+ 	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
+ 	| pyramid-* \
+-	| rl78-* | romp-* | rs6000-* | rx-* \
++	| romp-* | rs6000-* | rx-* \
+ 	| sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
+ 	| shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
+ 	| sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
+@@ -415,11 +409,10 @@
+ 	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \
+ 	| tahoe-* \
+ 	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
+-	| tile*-* \
++	| tile-* | tilegx-* \
+ 	| tron-* \
+ 	| ubicom32-* \
+-	| v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
+-	| vax-* \
++	| v850-* | v850e-* | vax-* \
+ 	| we32k-* \
+ 	| x86-* | x86_64-* | xc16x-* | xps100-* \
+ 	| xstormy16-* | xtensa*-* \
+@@ -820,10 +813,6 @@
+ 		basic_machine=i370-ibm
+ 		os=-mvs
+ 		;;
+-	nacl)
+-		basic_machine=le32-unknown
+-		os=-nacl
+-		;;
+ 	ncr3000)
+ 		basic_machine=i486-ncr
+ 		os=-sysv4
+@@ -1132,8 +1121,13 @@
+ 		basic_machine=t90-cray
+ 		os=-unicos
+ 		;;
++	# This must be matched before tile*.
++	tilegx*)
++		basic_machine=tilegx-unknown
++		os=-linux-gnu
++		;;
+ 	tile*)
+-		basic_machine=$basic_machine-unknown
++		basic_machine=tile-unknown
+ 		os=-linux-gnu
+ 		;;
+ 	tx39)
+@@ -1346,6 +1340,7 @@
+ 	      | -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 -Nur gcc-4.7.3.orig/fixincludes/mkfixinc.sh gcc-4.7.3/fixincludes/mkfixinc.sh
+--- gcc-4.7.3.orig/fixincludes/mkfixinc.sh	2011-09-22 16:00:17.000000000 +0200
++++ gcc-4.7.3/fixincludes/mkfixinc.sh	2013-09-16 15:39:42.000000000 +0200
+@@ -20,7 +20,8 @@
+     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}
+diff -Nur gcc-4.7.3.orig/gcc/config/arm/linux-eabi.h gcc-4.7.3/gcc/config/arm/linux-eabi.h
+--- gcc-4.7.3.orig/gcc/config/arm/linux-eabi.h	2011-11-02 16:03:19.000000000 +0100
++++ gcc-4.7.3/gcc/config/arm/linux-eabi.h	2013-09-16 15:39:42.000000000 +0200
+@@ -64,6 +64,23 @@
+ #undef  GLIBC_DYNAMIC_LINKER
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3"
+ 
++/* For ARM musl currently supports two 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.
++   musl does not support the legacy OABI (i.e. broken) mode.
++   All the dynamic linkers live in /lib.
++   We default to soft-float, but this can be overridden by changing both
++   MUSL_DYNAMIC_LINKER_DEFAULT and TARGET_DEFAULT_FLOAT_ABI.  */
++#undef  MUSL_DYNAMIC_LINKER
++#define MUSL_DYNAMIC_LINKER_SOFT_FLOAT "/lib/ld-musl-arm.so.1"
++#define MUSL_DYNAMIC_LINKER_HARD_FLOAT "/lib/ld-musl-armhf.so.1"
++#define MUSL_DYNAMIC_LINKER_DEFAULT MUSL_DYNAMIC_LINKER_SOFT_FLOAT
++
++#define MUSL_DYNAMIC_LINKER \
++  "%{mfloat-abi=hard:" MUSL_DYNAMIC_LINKER_HARD_FLOAT "} \
++   %{mfloat-abi=soft*:" MUSL_DYNAMIC_LINKER_SOFT_FLOAT "} \
++   %{!mfloat-abi=*:" MUSL_DYNAMIC_LINKER_DEFAULT "}"
++
+ /* 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 -Nur gcc-4.7.3.orig/gcc/config/i386/linux64.h gcc-4.7.3/gcc/config/i386/linux64.h
+--- gcc-4.7.3.orig/gcc/config/i386/linux64.h	2011-07-07 17:38:34.000000000 +0200
++++ gcc-4.7.3/gcc/config/i386/linux64.h	2013-09-16 15:39:42.000000000 +0200
+@@ -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 -Nur gcc-4.7.3.orig/gcc/config/i386/linux.h gcc-4.7.3/gcc/config/i386/linux.h
+--- gcc-4.7.3.orig/gcc/config/i386/linux.h	2011-06-03 20:30:39.000000000 +0200
++++ gcc-4.7.3/gcc/config/i386/linux.h	2013-09-16 15:39:42.000000000 +0200
+@@ -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 -Nur gcc-4.7.3.orig/gcc/config/linux.h gcc-4.7.3/gcc/config/linux.h
+--- gcc-4.7.3.orig/gcc/config/linux.h	2012-08-14 15:59:04.000000000 +0200
++++ gcc-4.7.3/gcc/config/linux.h	2013-09-16 15:39:42.000000000 +0200
+@@ -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 */
+@@ -85,21 +90,21 @@
+ 
+ #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.  */
+ #undef TARGET_C99_FUNCTIONS
+-#define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
++#define TARGET_C99_FUNCTIONS (OPTION_GLIBC || OPTION_MUSL)
+ 
+ /* Whether we have sincos that follows the GNU extension.  */
+ #undef TARGET_HAS_SINCOS
+@@ -108,3 +113,74 @@
+ /* 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 -Nur gcc-4.7.3.orig/gcc/config/linux.opt gcc-4.7.3/gcc/config/linux.opt
+--- gcc-4.7.3.orig/gcc/config/linux.opt	2010-09-29 16:51:52.000000000 +0200
++++ gcc-4.7.3/gcc/config/linux.opt	2013-09-16 15:39:42.000000000 +0200
+@@ -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 -Nur gcc-4.7.3.orig/gcc/config/mips/linux.h gcc-4.7.3/gcc/config/mips/linux.h
+--- gcc-4.7.3.orig/gcc/config/mips/linux.h	2011-07-19 20:00:27.000000000 +0200
++++ gcc-4.7.3/gcc/config/mips/linux.h	2013-09-16 15:39:43.000000000 +0200
+@@ -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 -Nur gcc-4.7.3.orig/gcc/config/rs6000/linux64.h gcc-4.7.3/gcc/config/rs6000/linux64.h
+--- gcc-4.7.3.orig/gcc/config/rs6000/linux64.h	2012-03-12 17:16:51.000000000 +0100
++++ gcc-4.7.3/gcc/config/rs6000/linux64.h	2013-09-16 15:39:43.000000000 +0200
+@@ -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 -Nur gcc-4.7.3.orig/gcc/config/rs6000/sysv4.h gcc-4.7.3/gcc/config/rs6000/sysv4.h
+--- gcc-4.7.3.orig/gcc/config/rs6000/sysv4.h	2012-04-30 19:39:01.000000000 +0200
++++ gcc-4.7.3/gcc/config/rs6000/sysv4.h	2013-09-16 15:39:43.000000000 +0200
+@@ -804,15 +808,18 @@
+ 
+ #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 -Nur gcc-4.7.3.orig/gcc/config.gcc gcc-4.7.3/gcc/config.gcc
+--- gcc-4.7.3.orig/gcc/config.gcc	2013-03-06 23:54:11.000000000 +0100
++++ gcc-4.7.3/gcc/config.gcc	2013-09-16 15:39:43.000000000 +0200
+@@ -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"
+       ;;
+@@ -2092,6 +2095,10 @@
+ 	    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 ${tm_file}"
+ 	fi
+diff -Nur gcc-4.7.3.orig/gcc/configure gcc-4.7.3/gcc/configure
+--- gcc-4.7.3.orig/gcc/configure	2013-02-06 16:23:55.000000000 +0100
++++ gcc-4.7.3/gcc/configure	2013-09-16 15:39:43.000000000 +0200
+@@ -26815,7 +26815,8 @@
+          gcc_cv_libc_provides_ssp=yes
+       fi
+ 	;;
+-       *-*-gnu*)
++       *-*-gnu* | \
++       *-linux-musl*)
+ 	 # Avoid complicated tests (see
+ 	 # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now
+ 	 # simply assert that glibc does provide this, which is true for all
+@@ -26902,6 +26903,9 @@
+       gcc_cv_target_dl_iterate_phdr=no
+     fi
+     ;;
++  *-linux-musl*)
++    gcc_cv_target_dl_iterate_phdr=yes
++    ;;
+ esac
+ 
+ if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
+diff -Nur gcc-4.7.3.orig/gcc/configure.ac gcc-4.7.3/gcc/configure.ac
+--- gcc-4.7.3.orig/gcc/configure.ac	2013-02-06 16:23:55.000000000 +0100
++++ gcc-4.7.3/gcc/configure.ac	2013-09-16 15:39:43.000000000 +0200
+@@ -4692,7 +4692,8 @@
+          gcc_cv_libc_provides_ssp=yes
+       fi]
+ 	;;
+-       *-*-gnu*)
++       *-*-gnu* | \
++       *-linux-musl*)
+ 	 # Avoid complicated tests (see
+ 	 # <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
+@@ -4762,6 +4763,9 @@
+       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
+diff -Nur gcc-4.7.3.orig/gcc/ginclude/stddef.h gcc-4.7.3/gcc/ginclude/stddef.h
+--- gcc-4.7.3.orig/gcc/ginclude/stddef.h	2012-02-12 02:06:04.000000000 +0100
++++ gcc-4.7.3/gcc/ginclude/stddef.h	2013-09-16 15:39:43.000000000 +0200
+@@ -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 -Nur gcc-4.7.3.orig/libgcc/unwind-dw2-fde-dip.c gcc-4.7.3/libgcc/unwind-dw2-fde-dip.c
+--- gcc-4.7.3.orig/libgcc/unwind-dw2-fde-dip.c	2012-10-06 23:55:06.000000000 +0200
++++ gcc-4.7.3/libgcc/unwind-dw2-fde-dip.c	2013-09-16 15:39:43.000000000 +0200
+@@ -47,28 +47,13 @@
+ #include "unwind-compat.h"
+ #include "gthr.h"
+ 
+-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+-    && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
+-	|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
+-# define USE_PT_GNU_EH_FRAME
+-#endif
+-
+-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+-    && defined(__FreeBSD__) && __FreeBSD__ >= 7
+-# define ElfW __ElfN
+-# define USE_PT_GNU_EH_FRAME
+-#endif
+-
+-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+-    && defined(__OpenBSD__)
+-# define ElfW(type) Elf_##type
+-# define USE_PT_GNU_EH_FRAME
+-#endif
+-
+-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+-    && defined(TARGET_DL_ITERATE_PHDR) \
+-    && defined(__sun__) && defined(__svr4__)
++#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR)
+ # define USE_PT_GNU_EH_FRAME
++# ifdef __OpenBSD__
++#  define ElfW(type) Elf_##typ
++# elif defined(__FreeBSD__) && __FreeBSD__ >= 7
++#  define ElfW __ElfN
++# endif
+ #endif
+ 
+ #if defined(USE_PT_GNU_EH_FRAME)
+diff -Nur gcc-4.7.3.orig/libgomp/config/posix/time.c gcc-4.7.3/libgomp/config/posix/time.c
+--- gcc-4.7.3.orig/libgomp/config/posix/time.c	2009-04-09 17:00:19.000000000 +0200
++++ gcc-4.7.3/libgomp/config/posix/time.c	2013-09-16 15:39:43.000000000 +0200
+@@ -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 -Nur gcc-4.7.3.orig/libitm/config/arm/hwcap.cc gcc-4.7.3/libitm/config/arm/hwcap.cc
+--- gcc-4.7.3.orig/libitm/config/arm/hwcap.cc	2011-12-15 04:24:05.000000000 +0100
++++ gcc-4.7.3/libitm/config/arm/hwcap.cc	2013-09-16 15:39:43.000000000 +0200
+@@ -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 -Nur gcc-4.7.3.orig/libitm/config/linux/x86/tls.h gcc-4.7.3/libitm/config/linux/x86/tls.h
+--- gcc-4.7.3.orig/libitm/config/linux/x86/tls.h	2011-11-08 12:13:41.000000000 +0100
++++ gcc-4.7.3/libitm/config/linux/x86/tls.h	2013-09-16 15:39:43.000000000 +0200
+@@ -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 -Nur gcc-4.7.3.orig/libssp/configure gcc-4.7.3/libssp/configure
+--- gcc-4.7.3.orig/libssp/configure	2012-08-06 16:34:27.000000000 +0200
++++ gcc-4.7.3/libssp/configure	2013-09-16 15:39:43.000000000 +0200
+@@ -626,6 +626,8 @@
+ ssp_have_usable_vsnprintf
+ EGREP
+ GREP
++LIBSSP_IN_LIBC_FALSE
++LIBSSP_IN_LIBC_TRUE
+ LIBSSP_USE_SYMVER_SUN_FALSE
+ LIBSSP_USE_SYMVER_SUN_TRUE
+ LIBSSP_USE_SYMVER_GNU_FALSE
+@@ -735,6 +737,7 @@
+ enable_multilib
+ enable_dependency_tracking
+ enable_symvers
++enable_ssp_in_libc
+ enable_shared
+ enable_static
+ with_pic
+@@ -1374,6 +1377,7 @@
+   --disable-dependency-tracking  speeds up one-time build
+   --enable-dependency-tracking   do not reject slow dependency extractors
+   --disable-symvers       disable symbol versioning for libssp
++  --enable-ssp-in-libc    do not build SSP, as it is in libc
+   --enable-shared[=PKGS]  build shared libraries [default=yes]
+   --enable-static[=PKGS]  build static libraries [default=yes]
+   --enable-fast-install[=PKGS]
+@@ -4206,6 +4210,36 @@
+ fi
+ 
+ 
++# musl provides libssp in libc
++{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether libssp is provided in libc" >&5
++$as_echo_n "checking whether libssp is provided in libc... " >&6; }
++# Check whether --enable-ssp_in_libc was given.
++if test "${enable_ssp_in_libc+set}" = set; then :
++  enableval=$enable_ssp_in_libc; ssp_in_libc=$enableval
++else
++  ssp_in_libc=check
++fi
++
++if test "x$ssp_in_libc" = "xcheck"; then
++  case "$host" in
++    *-musl*)
++      ssp_in_libc=yes
++      ;;
++
++    *)
++      ssp_in_libc=no
++      ;;
++  esac
++fi
++ if test "x$ssp_in_libc" = xyes; then
++  LIBSSP_IN_LIBC_TRUE=
++  LIBSSP_IN_LIBC_FALSE='#'
++else
++  LIBSSP_IN_LIBC_TRUE='#'
++  LIBSSP_IN_LIBC_FALSE=
++fi
++
++
+ 
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+ $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+@@ -10650,7 +10684,7 @@
+   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+   lt_status=$lt_dlunknown
+   cat > conftest.$ac_ext <<_LT_EOF
+-#line 10653 "configure"
++#line 10687 "configure"
+ #include "confdefs.h"
+ 
+ #if HAVE_DLFCN_H
+@@ -10756,7 +10790,7 @@
+   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+   lt_status=$lt_dlunknown
+   cat > conftest.$ac_ext <<_LT_EOF
+-#line 10759 "configure"
++#line 10793 "configure"
+ #include "confdefs.h"
+ 
+ #if HAVE_DLFCN_H
+@@ -11185,6 +11219,10 @@
+   as_fn_error "conditional \"LIBSSP_USE_SYMVER_SUN\" was never defined.
+ Usually this means the macro was only invoked conditionally." "$LINENO" 5
+ fi
++if test -z "${LIBSSP_IN_LIBC_TRUE}" && test -z "${LIBSSP_IN_LIBC_FALSE}"; then
++  as_fn_error "conditional \"LIBSSP_IN_LIBC\" was never defined.
++Usually this means the macro was only invoked conditionally." "$LINENO" 5
++fi
+ 
+ : ${CONFIG_STATUS=./config.status}
+ ac_write_fail=0
+diff -Nur gcc-4.7.3.orig/libssp/configure.ac gcc-4.7.3/libssp/configure.ac
+--- gcc-4.7.3.orig/libssp/configure.ac	2012-05-31 20:59:34.000000000 +0200
++++ gcc-4.7.3/libssp/configure.ac	2013-09-16 15:39:43.000000000 +0200
+@@ -114,6 +114,26 @@
+ AM_CONDITIONAL(LIBSSP_USE_SYMVER_GNU, [test "x$ssp_use_symver" = xgnu])
+ AM_CONDITIONAL(LIBSSP_USE_SYMVER_SUN, [test "x$ssp_use_symver" = xsun])
+ 
++# musl provides libssp in libc
++AC_MSG_CHECKING([whether libssp is provided in libc])
++AC_ARG_ENABLE(ssp_in_libc,
++AC_HELP_STRING([--enable-ssp-in-libc],
++  [do not build SSP, as it is in libc]),
++ssp_in_libc=$enableval,
++ssp_in_libc=check)
++if test "x$ssp_in_libc" = "xcheck"; then
++  case "$host" in
++    *-musl*)
++      ssp_in_libc=yes
++      ;;
++
++    *)
++      ssp_in_libc=no
++      ;;
++  esac
++fi
++AM_CONDITIONAL(LIBSSP_IN_LIBC, [test "x$ssp_in_libc" = xyes])
++
+ AC_CHECK_HEADERS(alloca.h malloc.h paths.h syslog.h string.h unistd.h fcntl.h stdio.h limits.h)
+ 
+ if test x$gcc_no_link = xyes; then
+diff -Nur gcc-4.7.3.orig/libssp/Makefile.am gcc-4.7.3/libssp/Makefile.am
+--- gcc-4.7.3.orig/libssp/Makefile.am	2010-12-06 01:50:04.000000000 +0100
++++ gcc-4.7.3/libssp/Makefile.am	2013-09-16 15:39:43.000000000 +0200
+@@ -36,7 +36,11 @@
+ 
+ AM_CFLAGS = -Wall
+ 
++if LIBSSP_IN_LIBC
++toolexeclib_LTLIBRARIES = libssp_nonshared.la
++else
+ toolexeclib_LTLIBRARIES = libssp.la libssp_nonshared.la
++endif
+ 
+ target_noncanonical = @target_noncanonical@
+ libsubincludedir = $(libdir)/gcc/$(target_noncanonical)/$(gcc_version)/include
+diff -Nur gcc-4.7.3.orig/libssp/Makefile.in gcc-4.7.3/libssp/Makefile.in
+--- gcc-4.7.3.orig/libssp/Makefile.in	2011-02-13 12:45:53.000000000 +0100
++++ gcc-4.7.3/libssp/Makefile.in	2013-09-16 15:39:43.000000000 +0200
+@@ -93,12 +93,17 @@
+ libssp_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+ 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ 	$(libssp_la_LDFLAGS) $(LDFLAGS) -o $@
++@LIBSSP_IN_LIBC_FALSE@am_libssp_la_rpath = -rpath $(toolexeclibdir)
+ am_libssp_nonshared_la_OBJECTS = libssp_nonshared_la-ssp-local.lo
+ libssp_nonshared_la_OBJECTS = $(am_libssp_nonshared_la_OBJECTS)
+ libssp_nonshared_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+ 	$(LIBTOOLFLAGS) --mode=link $(CCLD) \
+ 	$(libssp_nonshared_la_CFLAGS) $(CFLAGS) \
+ 	$(libssp_nonshared_la_LDFLAGS) $(LDFLAGS) -o $@
++@LIBSSP_IN_LIBC_FALSE@am_libssp_nonshared_la_rpath = -rpath \
++@LIBSSP_IN_LIBC_FALSE@	$(toolexeclibdir)
++@LIBSSP_IN_LIBC_TRUE@am_libssp_nonshared_la_rpath = -rpath \
++@LIBSSP_IN_LIBC_TRUE@	$(toolexeclibdir)
+ DEFAULT_INCLUDES = -I.@am__isrc@
+ depcomp = $(SHELL) $(top_srcdir)/../depcomp
+ am__depfiles_maybe = depfiles
+@@ -258,7 +263,8 @@
+ @LIBSSP_USE_SYMVER_GNU_TRUE@@LIBSSP_USE_SYMVER_TRUE@version_dep = $(srcdir)/ssp.map
+ @LIBSSP_USE_SYMVER_SUN_TRUE@@LIBSSP_USE_SYMVER_TRUE@version_dep = ssp.map-sun
+ AM_CFLAGS = -Wall
+-toolexeclib_LTLIBRARIES = libssp.la libssp_nonshared.la
++@LIBSSP_IN_LIBC_FALSE@toolexeclib_LTLIBRARIES = libssp.la libssp_nonshared.la
++@LIBSSP_IN_LIBC_TRUE@toolexeclib_LTLIBRARIES = libssp_nonshared.la
+ libsubincludedir = $(libdir)/gcc/$(target_noncanonical)/$(gcc_version)/include
+ nobase_libsubinclude_HEADERS = ssp/ssp.h ssp/string.h ssp/stdio.h ssp/unistd.h
+ libssp_la_SOURCES = \
+@@ -414,9 +420,9 @@
+ 	  rm -f "$${dir}/so_locations"; \
+ 	done
+ libssp.la: $(libssp_la_OBJECTS) $(libssp_la_DEPENDENCIES) 
+-	$(libssp_la_LINK) -rpath $(toolexeclibdir) $(libssp_la_OBJECTS) $(libssp_la_LIBADD) $(LIBS)
++	$(libssp_la_LINK) $(am_libssp_la_rpath) $(libssp_la_OBJECTS) $(libssp_la_LIBADD) $(LIBS)
+ libssp_nonshared.la: $(libssp_nonshared_la_OBJECTS) $(libssp_nonshared_la_DEPENDENCIES) 
+-	$(libssp_nonshared_la_LINK) -rpath $(toolexeclibdir) $(libssp_nonshared_la_OBJECTS) $(libssp_nonshared_la_LIBADD) $(LIBS)
++	$(libssp_nonshared_la_LINK) $(am_libssp_nonshared_la_rpath) $(libssp_nonshared_la_OBJECTS) $(libssp_nonshared_la_LIBADD) $(LIBS)
+ 
+ mostlyclean-compile:
+ 	-rm -f *.$(OBJEXT)
+diff -Nur gcc-4.7.3.orig/libstdc++-v3/configure.host gcc-4.7.3/libstdc++-v3/configure.host
+--- gcc-4.7.3.orig/libstdc++-v3/configure.host	2012-12-18 15:27:14.000000000 +0100
++++ gcc-4.7.3/libstdc++-v3/configure.host	2013-09-16 15:39:43.000000000 +0200
+@@ -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/package/gcc/patches/musl-m68k.patch b/package/gcc/patches/musl-m68k.patch
new file mode 100644
index 000000000..54c7e0eef
--- /dev/null
+++ b/package/gcc/patches/musl-m68k.patch
@@ -0,0 +1,11 @@
+diff -Nur gcc-4.7.3.orig/gcc/config/m68k/linux.h gcc-4.7.3/gcc/config/m68k/linux.h
+--- gcc-4.7.3.orig/gcc/config/m68k/linux.h	2011-11-27 00:57:37.000000000 +0100
++++ gcc-4.7.3/gcc/config/m68k/linux.h	2013-09-28 22:37:22.000000000 +0200
+@@ -73,6 +73,7 @@
+    done.  */
+ 
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-m68k.so.1"
+ 
+ #undef LINK_SPEC
+ #define LINK_SPEC "-m m68kelf %{shared} \
diff --git a/package/gcc/patches/musl-mips64.patch b/package/gcc/patches/musl-mips64.patch
new file mode 100644
index 000000000..671ba9f28
--- /dev/null
+++ b/package/gcc/patches/musl-mips64.patch
@@ -0,0 +1,14 @@
+diff -Nur gcc-4.7.3.orig/gcc/config/mips/linux64.h gcc-4.7.3/gcc/config/mips/linux64.h
+--- gcc-4.7.3.orig/gcc/config/mips/linux64.h	2011-07-19 20:00:27.000000000 +0200
++++ gcc-4.7.3/gcc/config/mips/linux64.h	2013-09-17 09:24:36.000000000 +0200
+@@ -28,6 +28,9 @@
+ #define GLIBC_DYNAMIC_LINKERN32 "/lib32/ld.so.1"
+ #define UCLIBC_DYNAMIC_LINKERN32 "/lib32/ld-uClibc.so.0"
+ #define BIONIC_DYNAMIC_LINKERN32 "/system/bin/linker32"
++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-mips.so.1"
++#define MUSL_DYNAMIC_LINKERN32 "/lib/ld-musl-mips.so.1"
++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-mips.so.1"
+ #define GNU_USER_DYNAMIC_LINKERN32 \
+   CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, \
+-			 BIONIC_DYNAMIC_LINKERN32)
++			 BIONIC_DYNAMIC_LINKERN32, MUSL_DYNAMIC_LINKERN32)
diff --git a/package/gcc/patches/musl-ppc.patch b/package/gcc/patches/musl-ppc.patch
new file mode 100644
index 000000000..f4211ee73
--- /dev/null
+++ b/package/gcc/patches/musl-ppc.patch
@@ -0,0 +1,155 @@
+diff -Nur gcc-4.7.3.orig/libgcc/config/rs6000/linux-unwind.h gcc-4.7.3/libgcc/config/rs6000/linux-unwind.h
+--- gcc-4.7.3.orig/libgcc/config/rs6000/linux-unwind.h	2011-11-12 18:20:58.000000000 +0100
++++ gcc-4.7.3/libgcc/config/rs6000/linux-unwind.h	2013-09-15 18:29:20.000000000 +0200
+@@ -27,7 +27,6 @@
+ #define R_CR2		70
+ #define R_VR0		77
+ #define R_VRSAVE	109
+-#define R_VSCR		110
+ 
+ struct gcc_vregs
+ {
+@@ -176,38 +175,6 @@
+ }
+ #endif
+ 
+-/* Find an entry in the process auxiliary vector.  The canonical way to
+-   test for VMX is to look at AT_HWCAP.  */
+-
+-static long
+-ppc_linux_aux_vector (long which)
+-{
+-  /* __libc_stack_end holds the original stack passed to a process.  */
+-  extern long *__libc_stack_end;
+-  long argc;
+-  char **argv;
+-  char **envp;
+-  struct auxv
+-  {
+-    long a_type;
+-    long a_val;
+-  } *auxp;
+-
+-  /* The Linux kernel puts argc first on the stack.  */
+-  argc = __libc_stack_end[0];
+-  /* Followed by argv, NULL terminated.  */
+-  argv = (char **) __libc_stack_end + 1;
+-  /* Followed by environment string pointers, NULL terminated. */
+-  envp = argv + argc + 1;
+-  while (*envp++)
+-    continue;
+-  /* Followed by the aux vector, zero terminated.  */
+-  for (auxp = (struct auxv *) envp; auxp->a_type != 0; ++auxp)
+-    if (auxp->a_type == which)
+-      return auxp->a_val;
+-  return 0;
+-}
+-
+ /* Do code reading to identify a signal frame, and set the frame
+    state data appropriately.  See unwind-dw2.c for the structs.  */
+ 
+@@ -217,8 +184,8 @@
+ ppc_fallback_frame_state (struct _Unwind_Context *context,
+ 			  _Unwind_FrameState *fs)
+ {
+-  static long hwcap = 0;
+   struct gcc_regs *regs = get_regs (context);
++  struct gcc_vregs *vregs;
+   long new_cfa;
+   int i;
+ 
+@@ -230,12 +197,15 @@
+   fs->regs.cfa_reg = STACK_POINTER_REGNUM;
+   fs->regs.cfa_offset = new_cfa - (long) context->cfa;
+ 
+-  for (i = 0; i < 32; i++)
+-    if (i != STACK_POINTER_REGNUM)
+-      {
+-	fs->regs.reg[i].how = REG_SAVED_OFFSET;
+-	fs->regs.reg[i].loc.offset = (long) &regs->gpr[i] - new_cfa;
+-      }
++#ifdef __powerpc64__
++  fs->regs.reg[2].how = REG_SAVED_OFFSET;
++  fs->regs.reg[2].loc.offset = (long) &regs->gpr[2] - new_cfa;
++#endif
++  for (i = 14; i < 32; i++)
++    {
++      fs->regs.reg[i].how = REG_SAVED_OFFSET;
++      fs->regs.reg[i].loc.offset = (long) &regs->gpr[i] - new_cfa;
++    }
+ 
+   fs->regs.reg[R_CR2].how = REG_SAVED_OFFSET;
+   /* CR? regs are always 32-bit and PPC is big-endian, so in 64-bit
+@@ -251,57 +221,35 @@
+   fs->retaddr_column = ARG_POINTER_REGNUM;
+   fs->signal_frame = 1;
+ 
+-  if (hwcap == 0)
++  /* If we have a FPU...  */
++  for (i = 14; i < 32; i++)
+     {
+-      hwcap = ppc_linux_aux_vector (16);
+-      /* These will already be set if we found AT_HWCAP.  A nonzero
+-	 value stops us looking again if for some reason we couldn't
+-	 find AT_HWCAP.  */
+-#ifdef __powerpc64__
+-      hwcap |= 0xc0000000;
+-#else
+-      hwcap |= 0x80000000;
+-#endif
++      fs->regs.reg[i + 32].how = REG_SAVED_OFFSET;
++      fs->regs.reg[i + 32].loc.offset = (long) &regs->fpr[i] - new_cfa;
+     }
+ 
+-  /* If we have a FPU...  */
+-  if (hwcap & 0x08000000)
+-    for (i = 0; i < 32; i++)
+-      {
+-	fs->regs.reg[i + 32].how = REG_SAVED_OFFSET;
+-	fs->regs.reg[i + 32].loc.offset = (long) &regs->fpr[i] - new_cfa;
+-      }
+-
+   /* If we have a VMX unit...  */
+-  if (hwcap & 0x10000000)
+-    {
+-      struct gcc_vregs *vregs;
+ #ifdef __powerpc64__
+-      vregs = regs->vp;
++  vregs = regs->vp;
+ #else
+-      vregs = &regs->vregs;
++  vregs = &regs->vregs;
+ #endif
+-      if (regs->msr & (1 << 25))
++  if (regs->msr & (1 << 25))
++    {
++      for (i = 20; i < 32; i++)
+ 	{
+-	  for (i = 0; i < 32; i++)
+-	    {
+-	      fs->regs.reg[i + R_VR0].how = REG_SAVED_OFFSET;
+-	      fs->regs.reg[i + R_VR0].loc.offset
+-		= (long) &vregs->vr[i] - new_cfa;
+-	    }
+-
+-	  fs->regs.reg[R_VSCR].how = REG_SAVED_OFFSET;
+-	  fs->regs.reg[R_VSCR].loc.offset = (long) &vregs->vscr - new_cfa;
++	  fs->regs.reg[i + R_VR0].how = REG_SAVED_OFFSET;
++	  fs->regs.reg[i + R_VR0].loc.offset = (long) &vregs->vr[i] - new_cfa;
+ 	}
+-
+-      fs->regs.reg[R_VRSAVE].how = REG_SAVED_OFFSET;
+-      fs->regs.reg[R_VRSAVE].loc.offset = (long) &vregs->vsave - new_cfa;
+     }
+ 
++  fs->regs.reg[R_VRSAVE].how = REG_SAVED_OFFSET;
++  fs->regs.reg[R_VRSAVE].loc.offset = (long) &vregs->vsave - new_cfa;
++
+   /* If we have SPE register high-parts... we check at compile-time to
+      avoid expanding the code for all other PowerPC.  */
+ #ifdef __SPE__
+-  for (i = 0; i < 32; i++)
++  for (i = 14; i < 32; i++)
+     {
+       fs->regs.reg[i + FIRST_PSEUDO_REGISTER - 1].how = REG_SAVED_OFFSET;
+       fs->regs.reg[i + FIRST_PSEUDO_REGISTER - 1].loc.offset
diff --git a/package/gcc/patches/musl-sh.patch b/package/gcc/patches/musl-sh.patch
new file mode 100644
index 000000000..7738f266e
--- /dev/null
+++ b/package/gcc/patches/musl-sh.patch
@@ -0,0 +1,11 @@
+diff -Nur gcc-4.7.3.orig/gcc/config/sh/linux.h gcc-4.7.3/gcc/config/sh/linux.h
+--- gcc-4.7.3.orig/gcc/config/sh/linux.h	2013-03-25 23:55:56.000000000 +0100
++++ gcc-4.7.3/gcc/config/sh/linux.h	2013-09-26 21:16:39.000000000 +0200
+@@ -46,6 +46,7 @@
+ #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
+ 
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-sh.1"
+ 
+ #undef SUBTARGET_LINK_EMUL_SUFFIX
+ #define SUBTARGET_LINK_EMUL_SUFFIX "_linux"
diff --git a/package/gcc/patches/musl-sparc.patch b/package/gcc/patches/musl-sparc.patch
new file mode 100644
index 000000000..228b8522d
--- /dev/null
+++ b/package/gcc/patches/musl-sparc.patch
@@ -0,0 +1,24 @@
+diff -Nur gcc-4.7.3.orig/gcc/config/sparc/linux64.h gcc-4.7.3/gcc/config/sparc/linux64.h
+--- gcc-4.7.3.orig/gcc/config/sparc/linux64.h	2011-11-12 02:05:07.000000000 +0100
++++ gcc-4.7.3/gcc/config/sparc/linux64.h	2013-09-19 11:37:50.000000000 +0200
+@@ -95,6 +95,9 @@
+ 
+ #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
+ #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux.so.2"
++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-sparc.1"
++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-sparc.1"
++
+ 
+ #ifdef SPARC_BI_ARCH
+ 
+diff -Nur gcc-4.7.3.orig/gcc/config/sparc/linux.h gcc-4.7.3/gcc/config/sparc/linux.h
+--- gcc-4.7.3.orig/gcc/config/sparc/linux.h	2011-11-12 02:05:07.000000000 +0100
++++ gcc-4.7.3/gcc/config/sparc/linux.h	2013-09-19 11:37:12.000000000 +0200
+@@ -85,6 +85,7 @@
+    done.  */
+ 
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-sparc.1"
+ 
+ #undef  LINK_SPEC
+ #define LINK_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \