update kinetis k70 sample, remove gcc 4.x

15 files changed, 0 insertions, 72554 deletions

diff --git a/toolchain/gcc/patches/4.9.4/disable-atomics.patch b/toolchain/gcc/patches/4.9.4/disable-atomics.patch
deleted file mode 100644
index 4ab553218..000000000
--- a/toolchain/gcc/patches/4.9.4/disable-atomics.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -Nur gcc-4.8.3.orig/libgcc/config.host gcc-4.8.3/libgcc/config.host
---- gcc-4.8.3.orig/libgcc/config.host	2014-03-20 17:12:30.000000000 +0100
-+++ gcc-4.8.3/libgcc/config.host	2014-07-26 13:15:06.359463368 +0200
-@@ -689,7 +689,7 @@
- m68k*-*-openbsd*)
- 	;;
- m68k-*-uclinux*)	# Motorola m68k/ColdFire running uClinux with uClibc
--	tmake_file="$tmake_file m68k/t-floatlib m68k/t-linux"
-+	tmake_file="$tmake_file m68k/t-floatlib"
- 	md_unwind_header=m68k/linux-unwind.h
- 	;;
- m68k-*-linux*)			# Motorola m68k's running GNU/Linux
diff --git a/toolchain/gcc/patches/4.9.4/disable-dwarf.bfin b/toolchain/gcc/patches/4.9.4/disable-dwarf.bfin
deleted file mode 100644
index c11baec92..000000000
--- a/toolchain/gcc/patches/4.9.4/disable-dwarf.bfin
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -Nur gcc-git.orig/libgcc/config.host gcc-git/libgcc/config.host
---- gcc-git.orig/libgcc/config.host	2015-10-23 21:12:52.000000000 +0200
-+++ gcc-git/libgcc/config.host	2015-11-15 21:17:38.385745887 +0100
-@@ -231,7 +231,7 @@
-   esac
-   ;;
- *-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu)
--  tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-eh-dw2-dip t-slibgcc t-slibgcc-gld t-slibgcc-elf-ver t-linux"
-+  tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-slibgcc t-slibgcc-gld t-slibgcc-elf-ver t-linux"
-   extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
-   if test x$enable_vtable_verify = xyes; then
-     extra_parts="$extra_parts vtv_start.o vtv_end.o vtv_start_preinit.o vtv_end_preinit.o"
diff --git a/toolchain/gcc/patches/4.9.4/disable-dwarf.frv b/toolchain/gcc/patches/4.9.4/disable-dwarf.frv
deleted file mode 100644
index c11baec92..000000000
--- a/toolchain/gcc/patches/4.9.4/disable-dwarf.frv
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -Nur gcc-git.orig/libgcc/config.host gcc-git/libgcc/config.host
---- gcc-git.orig/libgcc/config.host	2015-10-23 21:12:52.000000000 +0200
-+++ gcc-git/libgcc/config.host	2015-11-15 21:17:38.385745887 +0100
-@@ -231,7 +231,7 @@
-   esac
-   ;;
- *-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu)
--  tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-eh-dw2-dip t-slibgcc t-slibgcc-gld t-slibgcc-elf-ver t-linux"
-+  tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-slibgcc t-slibgcc-gld t-slibgcc-elf-ver t-linux"
-   extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
-   if test x$enable_vtable_verify = xyes; then
-     extra_parts="$extra_parts vtv_start.o vtv_end.o vtv_start_preinit.o vtv_end_preinit.o"
diff --git a/toolchain/gcc/patches/4.9.4/disable-split-stack-nothread.patch b/toolchain/gcc/patches/4.9.4/disable-split-stack-nothread.patch
deleted file mode 100644
index f78f93d8e..000000000
--- a/toolchain/gcc/patches/4.9.4/disable-split-stack-nothread.patch
+++ /dev/null
@@ -1,10 +0,0 @@
-diff -Nur gcc-4.9.3.orig/libgcc/config/t-stack gcc-4.9.3/libgcc/config/t-stack
---- gcc-4.9.3.orig/libgcc/config/t-stack	2010-10-01 21:31:49.000000000 +0200
-+++ gcc-4.9.3/libgcc/config/t-stack	2016-03-07 03:07:56.773442671 +0100
-@@ -1,4 +1,6 @@
- # Makefile fragment to provide generic support for -fsplit-stack.
- # This should be used in config.host for any host which supports
- # -fsplit-stack.
-+ifeq ($(enable_threads),yes)
- LIB2ADD_ST += $(srcdir)/generic-morestack.c $(srcdir)/generic-morestack-thread.c
-+endif
diff --git a/toolchain/gcc/patches/4.9.4/disable-tm.patch b/toolchain/gcc/patches/4.9.4/disable-tm.patch
deleted file mode 100644
index 02b5cb854..000000000
--- a/toolchain/gcc/patches/4.9.4/disable-tm.patch
+++ /dev/null
@@ -1,14 +0,0 @@
-diff -Nur gcc-4.8.3.orig/gcc/config/m68k/uclinux.h gcc-4.8.3/gcc/config/m68k/uclinux.h
---- gcc-4.8.3.orig/gcc/config/m68k/uclinux.h	2013-01-10 21:38:27.000000000 +0100
-+++ gcc-4.8.3/gcc/config/m68k/uclinux.h	2014-08-25 17:03:59.543127685 +0200
-@@ -20,6 +20,10 @@
- along with GCC; see the file COPYING3.  If not see
- <http://www.gnu.org/licenses/>.  */
- 
-+/* Do not use TM clone registry.  It breaks -msep-data (-fPIC) code. */
-+/* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54584 */
-+#define USE_TM_CLONE_REGISTRY 0
-+
- #undef STARTFILE_SPEC
- #define STARTFILE_SPEC \
- "%{mshared-library-id=0|!mshared-library-id=*: crt1.o%s ;: Scrt1.o%s} \
diff --git a/toolchain/gcc/patches/4.9.4/fix-m86k-libgcc.patch b/toolchain/gcc/patches/4.9.4/fix-m86k-libgcc.patch
deleted file mode 100644
index e8481d549..000000000
--- a/toolchain/gcc/patches/4.9.4/fix-m86k-libgcc.patch
+++ /dev/null
@@ -1,11 +0,0 @@
-diff -Nur gcc-4.9.3.orig/libgcc/config/m68k/linux-atomic.c gcc-4.9.3/libgcc/config/m68k/linux-atomic.c
---- gcc-4.9.3.orig/libgcc/config/m68k/linux-atomic.c	2014-01-02 23:25:22.000000000 +0100
-+++ gcc-4.9.3/libgcc/config/m68k/linux-atomic.c	2015-11-29 14:42:10.566143595 +0100
-@@ -33,7 +33,6 @@
-    using the kernel helper defined below.  There is no support for
-    64-bit operations yet.  */
- 
--#include <asm/unistd.h>
- #include <stdbool.h>
- 
- #ifndef __NR_atomic_cmpxchg_32
diff --git a/toolchain/gcc/patches/4.9.4/gcc.bfin b/toolchain/gcc/patches/4.9.4/gcc.bfin
deleted file mode 100644
index a0643f5fc..000000000
--- a/toolchain/gcc/patches/4.9.4/gcc.bfin
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -Nur gcc-4.9.3.orig/gcc/config.gcc gcc-4.9.3/gcc/config.gcc
---- gcc-4.9.3.orig/gcc/config.gcc	2015-05-21 22:50:59.000000000 +0200
-+++ gcc-4.9.3/gcc/config.gcc	2015-11-23 22:51:58.686375134 +0100
-@@ -1101,7 +1101,7 @@
- 	;;
- bfin*-linux-uclibc*)
- 	tm_file="${tm_file} dbxelf.h elfos.h bfin/elf.h gnu-user.h linux.h glibc-stdint.h bfin/linux.h ./linux-sysroot-suffix.h"
--	tmake_file="bfin/t-bfin-linux t-slibgcc t-linux"
-+	tmake_file="${tmake_file} bfin/t-bfin-linux t-slibgcc t-linux"
- 	use_collect2=no
- 	;;
- bfin*-rtems*)
diff --git a/toolchain/gcc/patches/4.9.4/gcc.musl b/toolchain/gcc/patches/4.9.4/gcc.musl
deleted file mode 100644
index 2005cd0e9..000000000
--- a/toolchain/gcc/patches/4.9.4/gcc.musl
+++ /dev/null
@@ -1,669 +0,0 @@
-diff -Nur gcc-4.9.2.orig/fixincludes/mkfixinc.sh gcc-4.9.2/fixincludes/mkfixinc.sh
---- gcc-4.9.2.orig/fixincludes/mkfixinc.sh	2012-10-28 16:42:48.000000000 -0500
-+++ gcc-4.9.2/fixincludes/mkfixinc.sh	2015-02-16 13:39:52.738182319 -0600
-@@ -19,7 +19,8 @@
-     powerpc-*-eabi*    | \
-     powerpc-*-rtems*   | \
-     powerpcle-*-eabisim* | \
--    powerpcle-*-eabi* )
-+    powerpcle-*-eabi* | \
-+    *-musl* )
- 	#  IF there is no include fixing,
- 	#  THEN create a no-op fixer and exit
- 	(echo "#! /bin/sh" ; echo "exit 0" ) > ${target}
-diff -Nur gcc-4.9.2.orig/gcc/config/aarch64/aarch64-linux.h gcc-4.9.2/gcc/config/aarch64/aarch64-linux.h
---- gcc-4.9.2.orig/gcc/config/aarch64/aarch64-linux.h	2014-07-24 13:30:44.000000000 -0500
-+++ gcc-4.9.2/gcc/config/aarch64/aarch64-linux.h	2015-02-16 13:39:52.662182319 -0600
-@@ -23,6 +23,8 @@
- 
- #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-aarch64%{mbig-endian:_be}.so.1"
- 
-+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-aarch64.so.1"
-+
- #define CPP_SPEC "%{pthread:-D_REENTRANT}"
- 
- #define LINUX_TARGET_LINK_SPEC  "%{h*}		\
-diff -Nur gcc-4.9.2.orig/gcc/config/arm/linux-eabi.h gcc-4.9.2/gcc/config/arm/linux-eabi.h
---- gcc-4.9.2.orig/gcc/config/arm/linux-eabi.h	2014-01-02 16:23:26.000000000 -0600
-+++ gcc-4.9.2/gcc/config/arm/linux-eabi.h	2015-02-16 13:39:52.678182319 -0600
-@@ -77,6 +77,23 @@
-     %{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \
-     %{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}"
- 
-+/* For ARM musl currently supports four dynamic linkers:
-+   - ld-musl-arm.so.1 - for the EABI-derived soft-float ABI
-+   - ld-musl-armhf.so.1 - for the EABI-derived hard-float ABI
-+   - ld-musl-armeb.so.1 - for the EABI-derived soft-float ABI, EB
-+   - ld-musl-armebhf.so.1 - for the EABI-derived hard-float ABI, EB
-+   musl does not support the legacy OABI mode.
-+   All the dynamic linkers live in /lib.
-+   We default to soft-float, EL. */
-+#undef  MUSL_DYNAMIC_LINKER
-+#if TARGET_BIG_ENDIAN_DEFAULT
-+#define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:;:eb}"
-+#else
-+#define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:eb}"
-+#endif
-+#define MUSL_DYNAMIC_LINKER \
-+  "/lib/ld-musl-arm" MUSL_DYNAMIC_LINKER_E "%{mfloat-abi=hard:hf}.so.1"
-+
- /* At this point, bpabi.h will have clobbered LINK_SPEC.  We want to
-    use the GNU/Linux version, not the generic BPABI version.  */
- #undef  LINK_SPEC
-diff -Nur gcc-4.9.2.orig/gcc/config/i386/linux64.h gcc-4.9.2/gcc/config/i386/linux64.h
---- gcc-4.9.2.orig/gcc/config/i386/linux64.h	2014-01-02 16:23:26.000000000 -0600
-+++ gcc-4.9.2/gcc/config/i386/linux64.h	2015-02-16 13:39:52.866182317 -0600
-@@ -30,3 +30,7 @@
- #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-4.9.2.orig/gcc/config/i386/linux.h gcc-4.9.2/gcc/config/i386/linux.h
---- gcc-4.9.2.orig/gcc/config/i386/linux.h	2014-01-02 16:23:26.000000000 -0600
-+++ gcc-4.9.2/gcc/config/i386/linux.h	2015-02-16 13:39:52.866182317 -0600
-@@ -21,3 +21,4 @@
- 
- #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-4.9.2.orig/gcc/config/linux.h gcc-4.9.2/gcc/config/linux.h
---- gcc-4.9.2.orig/gcc/config/linux.h	2014-01-02 16:23:26.000000000 -0600
-+++ gcc-4.9.2/gcc/config/linux.h	2015-02-16 13:39:52.706182319 -0600
-@@ -32,10 +32,12 @@
- #define OPTION_GLIBC  (DEFAULT_LIBC == LIBC_GLIBC)
- #define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC)
- #define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC)
-+#define OPTION_MUSL   (DEFAULT_LIBC == LIBC_MUSL)
- #else
- #define OPTION_GLIBC  (linux_libc == LIBC_GLIBC)
- #define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC)
- #define OPTION_BIONIC (linux_libc == LIBC_BIONIC)
-+#define OPTION_MUSL   (linux_libc == LIBC_MUSL)
- #endif
- 
- #define GNU_USER_TARGET_OS_CPP_BUILTINS()			\
-@@ -53,18 +55,21 @@
-    uClibc or Bionic is the default C library and whether
-    -muclibc or -mglibc or -mbionic has been passed to change the default.  */
- 
--#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LD1, LD2, LD3)	\
--  "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:" LD1 "}}"
-+#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LIBC4, LD1, LD2, LD3, LD4)	\
-+  "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:%{" LIBC4 ":" LD4 ";:" LD1 "}}}"
- 
- #if DEFAULT_LIBC == LIBC_GLIBC
--#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
--  CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", G, U, B)
-+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
-+  CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", "mmusl", G, U, B, M)
- #elif DEFAULT_LIBC == LIBC_UCLIBC
--#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
--  CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", U, G, B)
-+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
-+  CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", "mmusl", U, G, B, M)
- #elif DEFAULT_LIBC == LIBC_BIONIC
--#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
--  CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", B, G, U)
-+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
-+  CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", "mmusl", B, G, U, M)
-+#elif DEFAULT_LIBC == LIBC_MUSL
-+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
-+  CHOOSE_DYNAMIC_LINKER1 ("mmusl", "mglibc", "muclibc", "mbionic", M, G, U, B)
- #else
- #error "Unsupported DEFAULT_LIBC"
- #endif /* DEFAULT_LIBC */
-@@ -84,21 +89,92 @@
- 
- #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)
- 
- /* Whether we have Bionic libc runtime */
- #undef TARGET_HAS_BIONIC
- #define TARGET_HAS_BIONIC (OPTION_BIONIC)
- 
-+/* musl avoids problematic includes by rearranging the include directories.
-+ * Unfortunately, this is mostly duplicated from cppdefault.c */
-+#if DEFAULT_LIBC == LIBC_MUSL
-+#define INCLUDE_DEFAULTS_MUSL_GPP			\
-+    { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1,		\
-+      GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 },		\
-+    { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1,		\
-+      GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 },		\
-+    { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1,	\
-+      GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 },
-+
-+#ifdef LOCAL_INCLUDE_DIR
-+#define INCLUDE_DEFAULTS_MUSL_LOCAL			\
-+    { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 },		\
-+    { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 },
-+#else
-+#define INCLUDE_DEFAULTS_MUSL_LOCAL
-+#endif
-+
-+#ifdef PREFIX_INCLUDE_DIR
-+#define INCLUDE_DEFAULTS_MUSL_PREFIX			\
-+    { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0},
-+#else
-+#define INCLUDE_DEFAULTS_MUSL_PREFIX
-+#endif
-+
-+#ifdef CROSS_INCLUDE_DIR
-+#define INCLUDE_DEFAULTS_MUSL_CROSS			\
-+    { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0},
-+#else
-+#define INCLUDE_DEFAULTS_MUSL_CROSS
-+#endif
-+
-+#ifdef TOOL_INCLUDE_DIR
-+#define INCLUDE_DEFAULTS_MUSL_TOOL			\
-+    { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0},
-+#else
-+#define INCLUDE_DEFAULTS_MUSL_TOOL
-+#endif
-+
-+#ifdef NATIVE_SYSTEM_HEADER_DIR
-+#define INCLUDE_DEFAULTS_MUSL_NATIVE			\
-+    { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 },	\
-+    { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 },
-+#else
-+#define INCLUDE_DEFAULTS_MUSL_NATIVE
-+#endif
-+
-+#if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT)
-+# undef INCLUDE_DEFAULTS_MUSL_LOCAL
-+# define INCLUDE_DEFAULTS_MUSL_LOCAL
-+# undef INCLUDE_DEFAULTS_MUSL_NATIVE
-+# define INCLUDE_DEFAULTS_MUSL_NATIVE
-+#else
-+# undef INCLUDE_DEFAULTS_MUSL_CROSS
-+# define INCLUDE_DEFAULTS_MUSL_CROSS
-+#endif
-+
-+#undef INCLUDE_DEFAULTS
-+#define INCLUDE_DEFAULTS				\
-+  {							\
-+    INCLUDE_DEFAULTS_MUSL_GPP				\
-+    INCLUDE_DEFAULTS_MUSL_PREFIX			\
-+    INCLUDE_DEFAULTS_MUSL_CROSS				\
-+    INCLUDE_DEFAULTS_MUSL_TOOL				\
-+    INCLUDE_DEFAULTS_MUSL_NATIVE			\
-+    { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 },		\
-+    { 0, 0, 0, 0, 0, 0 }				\
-+  }
-+#endif
-+
- #if (DEFAULT_LIBC == LIBC_UCLIBC) && defined (SINGLE_LIBC) /* uClinux */
- /* This is a *uclinux* target.  We don't define below macros to normal linux
-    versions, because doing so would require *uclinux* targets to include
-diff -Nur gcc-4.9.2.orig/gcc/config/linux.opt gcc-4.9.2/gcc/config/linux.opt
---- gcc-4.9.2.orig/gcc/config/linux.opt	2014-01-02 16:23:26.000000000 -0600
-+++ gcc-4.9.2/gcc/config/linux.opt	2015-02-16 13:39:52.706182319 -0600
-@@ -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-4.9.2.orig/gcc/config/microblaze/linux.h gcc-4.9.2/gcc/config/microblaze/linux.h
---- gcc-4.9.2.orig/gcc/config/microblaze/linux.h	2014-01-02 16:23:26.000000000 -0600
-+++ gcc-4.9.2/gcc/config/microblaze/linux.h	2015-02-16 13:39:52.766182318 -0600
-@@ -25,7 +25,22 @@
- #undef TLS_NEEDS_GOT
- #define TLS_NEEDS_GOT 1
- 
--#define DYNAMIC_LINKER "/lib/ld.so.1"
-+#if TARGET_BIG_ENDIAN_DEFAULT == 0 /* LE */
-+#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}"
-+#else
-+#define MUSL_DYNAMIC_LINKER_E "%{EL:el}"
-+#endif
-+
-+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-microblaze" MUSL_DYNAMIC_LINKER_E ".so.1"
-+#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
-+
-+#if DEFAULT_LIBC == LIBC_MUSL
-+#define DYNAMIC_LINKER MUSL_DYNAMIC_LINKER
-+#else
-+#define DYNAMIC_LINKER GLIBC_DYNAMIC_LINKER
-+#endif
-+
-+
- #undef  SUBTARGET_EXTRA_SPECS
- #define SUBTARGET_EXTRA_SPECS \
-   { "dynamic_linker", DYNAMIC_LINKER }
-diff -Nur gcc-4.9.2.orig/gcc/config/microblaze/microblaze.h gcc-4.9.2/gcc/config/microblaze/microblaze.h
---- gcc-4.9.2.orig/gcc/config/microblaze/microblaze.h	2014-02-23 12:53:47.000000000 -0600
-+++ gcc-4.9.2/gcc/config/microblaze/microblaze.h	2015-02-16 13:39:52.782182318 -0600
-@@ -218,6 +218,12 @@
- #undef PTRDIFF_TYPE
- #define PTRDIFF_TYPE "int"
- 
-+#undef SIZE_TYPE
-+#define SIZE_TYPE "unsigned int"
-+
-+#undef PTRDIFF_TYPE
-+#define PTRDIFF_TYPE "int"
-+
- #define CONSTANT_ALIGNMENT(EXP, ALIGN)					\
-   ((TREE_CODE (EXP) == STRING_CST  || TREE_CODE (EXP) == CONSTRUCTOR)	\
-    && (ALIGN) < BITS_PER_WORD						\
-diff -Nur gcc-4.9.2.orig/gcc/config/mips/linux.h gcc-4.9.2/gcc/config/mips/linux.h
---- gcc-4.9.2.orig/gcc/config/mips/linux.h	2014-01-02 16:23:26.000000000 -0600
-+++ gcc-4.9.2/gcc/config/mips/linux.h	2015-02-16 13:39:52.782182318 -0600
-@@ -23,3 +23,10 @@
- #undef UCLIBC_DYNAMIC_LINKER
- #define UCLIBC_DYNAMIC_LINKER \
-   "%{mnan=2008:/lib/ld-uClibc-mipsn8.so.0;:/lib/ld-uClibc.so.0}"
-+
-+#if TARGET_ENDIAN_DEFAULT == 0 /* LE */
-+#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}"
-+#else
-+#define MUSL_DYNAMIC_LINKER_E "%{EL:el}"
-+#endif
-+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips" MUSL_DYNAMIC_LINKER_E ".so.1"
-diff -Nur gcc-4.9.2.orig/gcc/config/rs6000/linux64.h gcc-4.9.2/gcc/config/rs6000/linux64.h
---- gcc-4.9.2.orig/gcc/config/rs6000/linux64.h	2014-07-24 12:25:19.000000000 -0500
-+++ gcc-4.9.2/gcc/config/rs6000/linux64.h	2015-02-16 13:39:52.794182318 -0600
-@@ -375,17 +375,21 @@
- #endif
- #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)
- 
- #undef  DEFAULT_ASM_ENDIAN
- #if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN)
-diff -Nur gcc-4.9.2.orig/gcc/config/rs6000/secureplt.h gcc-4.9.2/gcc/config/rs6000/secureplt.h
---- gcc-4.9.2.orig/gcc/config/rs6000/secureplt.h	2014-01-02 16:23:26.000000000 -0600
-+++ gcc-4.9.2/gcc/config/rs6000/secureplt.h	2015-02-16 13:39:52.794182318 -0600
-@@ -18,3 +18,4 @@
- <http://www.gnu.org/licenses/>.  */
- 
- #define CC1_SECURE_PLT_DEFAULT_SPEC "-msecure-plt"
-+#define LINK_SECURE_PLT_DEFAULT_SPEC "--secure-plt"
-diff -Nur gcc-4.9.2.orig/gcc/config/rs6000/sysv4.h gcc-4.9.2/gcc/config/rs6000/sysv4.h
---- gcc-4.9.2.orig/gcc/config/rs6000/sysv4.h	2014-07-24 12:25:19.000000000 -0500
-+++ gcc-4.9.2/gcc/config/rs6000/sysv4.h	2015-02-16 13:39:52.794182318 -0600
-@@ -537,6 +537,9 @@
- #ifndef CC1_SECURE_PLT_DEFAULT_SPEC
- #define CC1_SECURE_PLT_DEFAULT_SPEC ""
- #endif
-+#ifndef LINK_SECURE_PLT_DEFAULT_SPEC
-+#define LINK_SECURE_PLT_DEFAULT_SPEC ""
-+#endif
- 
- /* Pass -G xxx to the compiler.  */
- #define	CC1_SPEC "%{G*} %(cc1_cpu)" \
-@@ -585,7 +588,8 @@
- 
- /* Override the default target of the linker.  */
- #define	LINK_TARGET_SPEC \
--  ENDIAN_SELECT("", " --oformat elf32-powerpcle", "")
-+  ENDIAN_SELECT("", " --oformat elf32-powerpcle", "") \
-+  "%{!mbss-plt: %{!msecure-plt: %(link_secure_plt_default)}}"
- 
- /* Any specific OS flags.  */
- #define LINK_OS_SPEC "\
-@@ -763,15 +767,18 @@
- 
- #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
- #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
-+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-powerpc.so.1"
- #if DEFAULT_LIBC == LIBC_UCLIBC
--#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
-+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}"
-+#elif DEFAULT_LIBC == LIBC_MUSL
-+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}"
- #elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC
--#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
-+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}"
- #else
- #error "Unsupported DEFAULT_LIBC"
- #endif
- #define GNU_USER_DYNAMIC_LINKER \
--  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
-+  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER)
- 
- #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
-   %{rdynamic:-export-dynamic} \
-@@ -894,6 +901,7 @@
-   { "link_os_openbsd",		LINK_OS_OPENBSD_SPEC },			\
-   { "link_os_default",		LINK_OS_DEFAULT_SPEC },			\
-   { "cc1_secure_plt_default",	CC1_SECURE_PLT_DEFAULT_SPEC },		\
-+  { "link_secure_plt_default",	LINK_SECURE_PLT_DEFAULT_SPEC },		\
-   { "cpp_os_ads",		CPP_OS_ADS_SPEC },			\
-   { "cpp_os_yellowknife",	CPP_OS_YELLOWKNIFE_SPEC },		\
-   { "cpp_os_mvme",		CPP_OS_MVME_SPEC },			\
-diff -Nur gcc-4.9.2.orig/gcc/config/sh/linux.h gcc-4.9.2/gcc/config/sh/linux.h
---- gcc-4.9.2.orig/gcc/config/sh/linux.h	2014-01-02 16:23:26.000000000 -0600
-+++ gcc-4.9.2/gcc/config/sh/linux.h	2015-02-16 13:39:52.818182318 -0600
-@@ -43,7 +43,14 @@
- 
- #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
- 
-+#if TARGET_BIG_ENDIAN_DEFAULT /* BE */
-+#define MUSL_DYNAMIC_LINKER_E "eb"
-+#else
-+#define MUSL_DYNAMIC_LINKER_E
-+#endif
-+
- #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
-+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-sh" MUSL_DYNAMIC_LINKER_E ".so.1"
- 
- #undef SUBTARGET_LINK_EMUL_SUFFIX
- #define SUBTARGET_LINK_EMUL_SUFFIX "_linux"
-diff -Nur gcc-4.9.2.orig/gcc/config.gcc gcc-4.9.2/gcc/config.gcc
---- gcc-4.9.2.orig/gcc/config.gcc	2014-09-17 09:16:02.000000000 -0500
-+++ gcc-4.9.2/gcc/config.gcc	2015-02-16 13:39:52.794182318 -0600
-@@ -594,7 +594,7 @@
- esac
- 
- # Common C libraries.
--tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3"
-+tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4"
- 
- # 32-bit x86 processors supported by --with-arch=.  Each processor
- # MUST be separated by exactly one space.
-@@ -719,6 +719,9 @@
-     *-*-*uclibc*)
-       tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC"
-       ;;
-+    *-*-*musl*)
-+      tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL"
-+      ;;
-     *)
-       tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC"
-       ;;
-@@ -2331,6 +2334,10 @@
- 	    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 ${tm_file}"
- 	fi
-diff -Nur gcc-4.9.2.orig/gcc/configure gcc-4.9.2/gcc/configure
---- gcc-4.9.2.orig/gcc/configure	2014-10-10 07:51:28.000000000 -0500
-+++ gcc-4.9.2/gcc/configure	2015-02-16 13:39:52.690182319 -0600
-@@ -27356,6 +27356,9 @@
- else
-   gcc_cv_libc_provides_ssp=no
-     case "$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.
-@@ -27388,6 +27391,7 @@
- 	 # <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 "$LINENO" "__stack_chk_fail" "ac_cv_func___stack_chk_fail"
-@@ -27477,6 +27481,9 @@
-       gcc_cv_target_dl_iterate_phdr=no
-     fi
-     ;;
-+  *-linux-musl*)
-+    gcc_cv_target_dl_iterate_phdr=yes
-+    ;;
- esac
- 
- if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
-diff -Nur gcc-4.9.2.orig/gcc/configure.ac gcc-4.9.2/gcc/configure.ac
---- gcc-4.9.2.orig/gcc/configure.ac	2014-10-10 07:51:28.000000000 -0500
-+++ gcc-4.9.2/gcc/configure.ac	2015-02-16 13:39:52.694182319 -0600
-@@ -5039,6 +5039,9 @@
-       gcc_cv_libc_provides_ssp,
-       [gcc_cv_libc_provides_ssp=no
-     case "$target" in
-+       *-*-musl*)
-+         # All versions of musl provide stack protector
-+	 gcc_cv_libc_provides_ssp=yes;;
-        *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu)
-       # glibc 2.4 and later provides __stack_chk_fail and
-       # either __stack_chk_guard, or TLS access to stack guard canary.
-@@ -5065,6 +5068,7 @@
- 	 # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now
- 	 # simply assert that glibc does provide this, which is true for all
- 	 # realistically usable GNU/Hurd configurations.
-+	 # All supported versions of musl provide it as well
- 	 gcc_cv_libc_provides_ssp=yes;;
-        *-*-darwin* | *-*-freebsd*)
- 	 AC_CHECK_FUNC(__stack_chk_fail,[gcc_cv_libc_provides_ssp=yes],
-@@ -5131,6 +5135,9 @@
-       gcc_cv_target_dl_iterate_phdr=no
-     fi
-     ;;
-+  *-linux-musl*)
-+    gcc_cv_target_dl_iterate_phdr=yes
-+    ;;
- esac
- GCC_TARGET_TEMPLATE([TARGET_DL_ITERATE_PHDR])
- if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
-diff -Nur gcc-4.9.2.orig/gcc/ginclude/stddef.h gcc-4.9.2/gcc/ginclude/stddef.h
---- gcc-4.9.2.orig/gcc/ginclude/stddef.h	2014-01-02 16:23:26.000000000 -0600
-+++ gcc-4.9.2/gcc/ginclude/stddef.h	2015-02-16 13:39:52.706182319 -0600
-@@ -181,6 +181,7 @@
- #ifndef _GCC_SIZE_T
- #ifndef _SIZET_
- #ifndef __size_t
-+#ifndef __DEFINED_size_t /* musl */
- #define __size_t__	/* BeOS */
- #define __SIZE_T__	/* Cray Unicos/Mk */
- #define _SIZE_T
-@@ -197,6 +198,7 @@
- #define ___int_size_t_h
- #define _GCC_SIZE_T
- #define _SIZET_
-+#define __DEFINED_size_t /* musl */
- #if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \
-   || defined(__FreeBSD_kernel__)
- /* __size_t is a typedef on FreeBSD 5, must not trash it. */
-@@ -214,6 +216,7 @@
- typedef long ssize_t;
- #endif /* __BEOS__ */
- #endif /* !(defined (__GNUG__) && defined (size_t)) */
-+#endif /* __DEFINED_size_t */
- #endif /* __size_t */
- #endif /* _SIZET_ */
- #endif /* _GCC_SIZE_T */
-diff -Nur gcc-4.9.2.orig/libgcc/gthr.h gcc-4.9.2/libgcc/gthr.h
---- gcc-4.9.2.orig/libgcc/gthr.h	2014-01-02 16:25:22.000000000 -0600
-+++ gcc-4.9.2/libgcc/gthr.h	2015-02-16 13:39:52.726182319 -0600
-@@ -136,10 +136,8 @@
- /* The pe-coff weak support isn't fully compatible to ELF's weak.
-    For static libraries it might would work, but as we need to deal
-    with shared versions too, we disable it for mingw-targets.  */
--#ifdef __MINGW32__
- #undef GTHREAD_USE_WEAK
- #define GTHREAD_USE_WEAK 0
--#endif
- 
- #ifndef GTHREAD_USE_WEAK
- #define GTHREAD_USE_WEAK 1
-diff -Nur gcc-4.9.2.orig/libgcc/unwind-dw2-fde-dip.c gcc-4.9.2/libgcc/unwind-dw2-fde-dip.c
---- gcc-4.9.2.orig/libgcc/unwind-dw2-fde-dip.c	2014-01-02 16:25:22.000000000 -0600
-+++ gcc-4.9.2/libgcc/unwind-dw2-fde-dip.c	2015-02-16 13:39:52.846182318 -0600
-@@ -46,33 +46,13 @@
- #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(__BIONIC__)
--# 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_##type
-+# elif defined(__FreeBSD__) && __FreeBSD__ >= 7
-+#  define ElfW __ElfN
-+# endif
- #endif
- 
- #if defined(USE_PT_GNU_EH_FRAME)
-diff -Nur gcc-4.9.2.orig/libgomp/config/posix/time.c gcc-4.9.2/libgomp/config/posix/time.c
---- gcc-4.9.2.orig/libgomp/config/posix/time.c	2014-01-02 16:25:54.000000000 -0600
-+++ gcc-4.9.2/libgomp/config/posix/time.c	2015-02-16 13:39:52.714182319 -0600
-@@ -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-4.9.2.orig/libitm/config/arm/hwcap.cc gcc-4.9.2/libitm/config/arm/hwcap.cc
---- gcc-4.9.2.orig/libitm/config/arm/hwcap.cc	2014-01-02 16:26:00.000000000 -0600
-+++ gcc-4.9.2/libitm/config/arm/hwcap.cc	2015-02-16 13:39:52.678182319 -0600
-@@ -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-4.9.2.orig/libitm/config/linux/x86/tls.h gcc-4.9.2/libitm/config/linux/x86/tls.h
---- gcc-4.9.2.orig/libitm/config/linux/x86/tls.h	2014-01-02 16:26:00.000000000 -0600
-+++ gcc-4.9.2/libitm/config/linux/x86/tls.h	2015-02-16 13:39:52.866182317 -0600
-@@ -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-4.9.2.orig/libstdc++-v3/configure.host gcc-4.9.2/libstdc++-v3/configure.host
---- gcc-4.9.2.orig/libstdc++-v3/configure.host	2013-07-04 16:07:44.000000000 -0500
-+++ gcc-4.9.2/libstdc++-v3/configure.host	2015-02-16 13:39:52.746182319 -0600
-@@ -264,6 +264,13 @@
-     os_include_dir="os/bsd/freebsd"
-     ;;
-   gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
-+    # check for musl by target
-+    case "${host_os}" in
-+      *-musl*)
-+        os_include_dir="os/generic"
-+        ;;
-+      *)
-+
-     if [ "$uclibc" = "yes" ]; then
-       os_include_dir="os/uclibc"
-     elif [ "$bionic" = "yes" ]; then
-@@ -272,6 +279,9 @@
-       os_include_dir="os/gnu-linux"
-     fi
-     ;;
-+
-+    esac
-+    ;;
-   hpux*)
-     os_include_dir="os/hpux"
-     ;;
-diff -Nur gcc-4.9.2.orig/libstdc++-v3/config/os/gnu-linux/os_defines.h gcc-4.9.2/libstdc++-v3/config/os/gnu-linux/os_defines.h
---- gcc-4.9.2.orig/libstdc++-v3/config/os/gnu-linux/os_defines.h	2014-01-02 16:30:10.000000000 -0600
-+++ gcc-4.9.2/libstdc++-v3/config/os/gnu-linux/os_defines.h	2015-04-13 23:58:30.912857273 -0500
-@@ -41,8 +41,10 @@
- // Provide a declaration for the possibly deprecated gets function, as
- // glibc 2.15 and later does not declare gets for ISO C11 when
- // __GNU_SOURCE is defined.
-+#if defined(__GLIBC_PREREQ)
- #if __GLIBC_PREREQ(2,15) && defined(_GNU_SOURCE)
- # undef _GLIBCXX_HAVE_GETS
- #endif
-+#endif
- 
- #endif
diff --git a/toolchain/gcc/patches/4.9.4/gcc.nds32 b/toolchain/gcc/patches/4.9.4/gcc.nds32
deleted file mode 100644
index d42faa77e..000000000
--- a/toolchain/gcc/patches/4.9.4/gcc.nds32
+++ /dev/null
@@ -1,70904 +0,0 @@
-diff -Nur gcc-4.9.4.orig/gcc/c/gccspec.c gcc-4.9.4/gcc/c/gccspec.c
---- gcc-4.9.4.orig/gcc/c/gccspec.c	2014-01-02 23:23:26.000000000 +0100
-+++ gcc-4.9.4/gcc/c/gccspec.c	2016-08-08 20:37:45.494269627 +0200
-@@ -104,5 +104,12 @@
-   return 0;  /* Not used for C.  */
- }
- 
-+/* Called before parsing the spec to tell which langu