update to gcc 5.3.0, use as default compiler

Tested with embedded-test.sh for all supported architectures.
Only sh2 will require a new uClibc-ng (git) to compile successfully
a toolchain.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>

12 files changed, 808 insertions, 107 deletions

diff --git a/toolchain/gcc/Makefile.inc b/toolchain/gcc/Makefile.inc
index 8ea044595..3c8bc6d32 100644
--- a/toolchain/gcc/Makefile.inc
+++ b/toolchain/gcc/Makefile.inc
@@ -2,9 +2,9 @@
 # material, please see the LICENCE file in the top-level directory.
 
 PKG_NAME:=		gcc
-ifeq ($(ADK_TOOLCHAIN_GCC_5_2_0),y)
-PKG_VERSION:=		5.2.0
-PKG_HASH:=		87f3f1b3deebee26b6b71068c37201541586647c1ee64a505b06fc4129d6376a
+ifeq ($(ADK_TOOLCHAIN_GCC_5_3_0),y)
+PKG_VERSION:=		5.3.0
+PKG_HASH:=		b7f5f56bd7db6f4fcaa95511dbf69fc596115b976b5352c06531c2fc95ece2f4
 PKG_SITES:=		${MASTER_SITE_GNU:=gcc/gcc-${PKG_VERSION}/}
 PKG_RELEASE:=		1
 DISTFILES:=		${PKG_NAME}-${PKG_VERSION}.tar.gz
diff --git a/toolchain/gcc/patches/5.2.0/fix-nios2.patch b/toolchain/gcc/patches/5.2.0/fix-nios2.patch
deleted file mode 100644
index 8fe2589ce..000000000
--- a/toolchain/gcc/patches/5.2.0/fix-nios2.patch
+++ /dev/null
@@ -1,11 +0,0 @@
-diff -Nur gcc-4.9.3.orig/libgcc/config/nios2/linux-atomic.c gcc-4.9.3/libgcc/config/nios2/linux-atomic.c
---- gcc-4.9.3.orig/libgcc/config/nios2/linux-atomic.c	2014-01-02 23:25:22.000000000 +0100
-+++ gcc-4.9.3/libgcc/config/nios2/linux-atomic.c	2015-12-01 22:50:00.029946306 +0100
-@@ -20,7 +20,6 @@
- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
- <http://www.gnu.org/licenses/>.  */
- 
--#include <asm/unistd.h>
- #define EFAULT  14
- #define EBUSY   16
- #define ENOSYS  38
diff --git a/toolchain/gcc/patches/5.2.0/gcc.bfin b/toolchain/gcc/patches/5.3.0/bfin-fix-gcc.patch
index a0643f5fc..a0643f5fc 100644
--- a/toolchain/gcc/patches/5.2.0/gcc.bfin
+++ b/toolchain/gcc/patches/5.3.0/bfin-fix-gcc.patch
diff --git a/toolchain/gcc/patches/5.2.0/cflags.patch b/toolchain/gcc/patches/5.3.0/cflags.patch
index 7ebb5e548..7ebb5e548 100644
--- a/toolchain/gcc/patches/5.2.0/cflags.patch
+++ b/toolchain/gcc/patches/5.3.0/cflags.patch
diff --git a/toolchain/gcc/patches/5.2.0/disable-dwarf.bfin b/toolchain/gcc/patches/5.3.0/disable-dwarf.bfin
index c11baec92..c11baec92 100644
--- a/toolchain/gcc/patches/5.2.0/disable-dwarf.bfin
+++ b/toolchain/gcc/patches/5.3.0/disable-dwarf.bfin
diff --git a/toolchain/gcc/patches/5.3.0/fix-m86k-libgcc.patch b/toolchain/gcc/patches/5.3.0/fix-m86k-libgcc.patch
new file mode 100644
index 000000000..e8481d549
--- /dev/null
+++ b/toolchain/gcc/patches/5.3.0/fix-m86k-libgcc.patch
@@ -0,0 +1,11 @@
+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/5.2.0/gcc.musl b/toolchain/gcc/patches/5.3.0/gcc.musl
index a75268ffc..1b47664f0 100644
--- a/toolchain/gcc/patches/5.2.0/gcc.musl
+++ b/toolchain/gcc/patches/5.3.0/gcc.musl
@@ -1,8 +1,6 @@
-From: https://bitbucket.org/GregorR/musl-cross
-
-diff -Nur gcc-5.2.0.orig/fixincludes/mkfixinc.sh gcc-5.2.0/fixincludes/mkfixinc.sh
---- gcc-5.2.0.orig/fixincludes/mkfixinc.sh	2012-10-28 22:42:48.000000000 +0100
-+++ gcc-5.2.0/fixincludes/mkfixinc.sh	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/fixincludes/mkfixinc.sh gcc-5.3.0/fixincludes/mkfixinc.sh
+--- gcc-5.3.0.orig/fixincludes/mkfixinc.sh	2012-10-28 22:42:48.000000000 +0100
++++ gcc-5.3.0/fixincludes/mkfixinc.sh	2015-12-08 05:53:22.243521385 +0100
 @@ -19,7 +19,8 @@
      powerpc-*-eabi*    | \
      powerpc-*-rtems*   | \
@@ -13,9 +11,9 @@ diff -Nur gcc-5.2.0.orig/fixincludes/mkfixinc.sh gcc-5.2.0/fixincludes/mkfixinc.
  	#  IF there is no include fixing,
  	#  THEN create a no-op fixer and exit
  	(echo "#! /bin/sh" ; echo "exit 0" ) > ${target}
-diff -Nur gcc-5.2.0.orig/gcc/config/aarch64/aarch64-linux.h gcc-5.2.0/gcc/config/aarch64/aarch64-linux.h
---- gcc-5.2.0.orig/gcc/config/aarch64/aarch64-linux.h	2015-05-12 10:49:59.000000000 +0200
-+++ gcc-5.2.0/gcc/config/aarch64/aarch64-linux.h	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config/aarch64/aarch64-linux.h gcc-5.3.0/gcc/config/aarch64/aarch64-linux.h
+--- gcc-5.3.0.orig/gcc/config/aarch64/aarch64-linux.h	2015-07-24 18:00:26.000000000 +0200
++++ gcc-5.3.0/gcc/config/aarch64/aarch64-linux.h	2015-12-08 05:53:22.243521385 +0100
 @@ -29,6 +29,8 @@
  #undef  CC1_SPEC
  #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC ASAN_CC1_SPEC
@@ -25,9 +23,9 @@ diff -Nur gcc-5.2.0.orig/gcc/config/aarch64/aarch64-linux.h gcc-5.2.0/gcc/config
  #define CPP_SPEC "%{pthread:-D_REENTRANT}"
  
  #define LINUX_TARGET_LINK_SPEC  "%{h*}		\
-diff -Nur gcc-5.2.0.orig/gcc/config/arm/linux-eabi.h gcc-5.2.0/gcc/config/arm/linux-eabi.h
---- gcc-5.2.0.orig/gcc/config/arm/linux-eabi.h	2015-01-05 13:33:28.000000000 +0100
-+++ gcc-5.2.0/gcc/config/arm/linux-eabi.h	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config/arm/linux-eabi.h gcc-5.3.0/gcc/config/arm/linux-eabi.h
+--- gcc-5.3.0.orig/gcc/config/arm/linux-eabi.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/gcc/config/arm/linux-eabi.h	2015-12-08 05:53:22.243521385 +0100
 @@ -77,6 +77,23 @@
      %{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \
      %{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}"
@@ -52,9 +50,9 @@ diff -Nur gcc-5.2.0.orig/gcc/config/arm/linux-eabi.h gcc-5.2.0/gcc/config/arm/li
  /* 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-5.2.0.orig/gcc/config/i386/linux64.h gcc-5.2.0/gcc/config/i386/linux64.h
---- gcc-5.2.0.orig/gcc/config/i386/linux64.h	2015-01-05 13:33:28.000000000 +0100
-+++ gcc-5.2.0/gcc/config/i386/linux64.h	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config/i386/linux64.h gcc-5.3.0/gcc/config/i386/linux64.h
+--- gcc-5.3.0.orig/gcc/config/i386/linux64.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/gcc/config/i386/linux64.h	2015-12-08 05:53:22.243521385 +0100
 @@ -30,3 +30,7 @@
  #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
  #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
@@ -63,17 +61,17 @@ diff -Nur gcc-5.2.0.orig/gcc/config/i386/linux64.h gcc-5.2.0/gcc/config/i386/lin
 +#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-5.2.0.orig/gcc/config/i386/linux.h gcc-5.2.0/gcc/config/i386/linux.h
---- gcc-5.2.0.orig/gcc/config/i386/linux.h	2015-01-05 13:33:28.000000000 +0100
-+++ gcc-5.2.0/gcc/config/i386/linux.h	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config/i386/linux.h gcc-5.3.0/gcc/config/i386/linux.h
+--- gcc-5.3.0.orig/gcc/config/i386/linux.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/gcc/config/i386/linux.h	2015-12-08 05:53:22.243521385 +0100
 @@ -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-5.2.0.orig/gcc/config/linux.h gcc-5.2.0/gcc/config/linux.h
---- gcc-5.2.0.orig/gcc/config/linux.h	2015-01-05 13:33:28.000000000 +0100
-+++ gcc-5.2.0/gcc/config/linux.h	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config/linux.h gcc-5.3.0/gcc/config/linux.h
+--- gcc-5.3.0.orig/gcc/config/linux.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/gcc/config/linux.h	2015-12-08 05:53:22.243521385 +0100
 @@ -32,10 +32,12 @@
  #define OPTION_GLIBC  (DEFAULT_LIBC == LIBC_GLIBC)
  #define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC)
@@ -214,9 +212,9 @@ diff -Nur gcc-5.2.0.orig/gcc/config/linux.h gcc-5.2.0/gcc/config/linux.h
  #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-5.2.0.orig/gcc/config/linux.opt gcc-5.2.0/gcc/config/linux.opt
---- gcc-5.2.0.orig/gcc/config/linux.opt	2015-01-05 13:33:28.000000000 +0100
-+++ gcc-5.2.0/gcc/config/linux.opt	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config/linux.opt gcc-5.3.0/gcc/config/linux.opt
+--- gcc-5.3.0.orig/gcc/config/linux.opt	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/gcc/config/linux.opt	2015-12-08 05:53:22.243521385 +0100
 @@ -30,3 +30,7 @@
  muclibc
  Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mbionic)
@@ -225,9 +223,9 @@ diff -Nur gcc-5.2.0.orig/gcc/config/linux.opt gcc-5.2.0/gcc/config/linux.opt
 +mmusl
 +Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mglibc)
 +Use musl C library
-diff -Nur gcc-5.2.0.orig/gcc/config/microblaze/linux.h gcc-5.2.0/gcc/config/microblaze/linux.h
---- gcc-5.2.0.orig/gcc/config/microblaze/linux.h	2015-05-28 16:08:19.000000000 +0200
-+++ gcc-5.2.0/gcc/config/microblaze/linux.h	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config/microblaze/linux.h gcc-5.3.0/gcc/config/microblaze/linux.h
+--- gcc-5.3.0.orig/gcc/config/microblaze/linux.h	2015-05-28 16:08:19.000000000 +0200
++++ gcc-5.3.0/gcc/config/microblaze/linux.h	2015-12-08 05:53:22.243521385 +0100
 @@ -28,7 +28,22 @@
  #undef TLS_NEEDS_GOT
  #define TLS_NEEDS_GOT 1
@@ -252,9 +250,9 @@ diff -Nur gcc-5.2.0.orig/gcc/config/microblaze/linux.h gcc-5.2.0/gcc/config/micr
  #undef  SUBTARGET_EXTRA_SPECS
  #define SUBTARGET_EXTRA_SPECS \
    { "dynamic_linker", DYNAMIC_LINKER }
-diff -Nur gcc-5.2.0.orig/gcc/config/microblaze/microblaze.h gcc-5.2.0/gcc/config/microblaze/microblaze.h
---- gcc-5.2.0.orig/gcc/config/microblaze/microblaze.h	2015-01-05 13:33:28.000000000 +0100
-+++ gcc-5.2.0/gcc/config/microblaze/microblaze.h	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config/microblaze/microblaze.h gcc-5.3.0/gcc/config/microblaze/microblaze.h
+--- gcc-5.3.0.orig/gcc/config/microblaze/microblaze.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/gcc/config/microblaze/microblaze.h	2015-12-08 05:53:22.243521385 +0100
 @@ -218,6 +218,12 @@
  #undef PTRDIFF_TYPE
  #define PTRDIFF_TYPE "int"
@@ -268,9 +266,9 @@ diff -Nur gcc-5.2.0.orig/gcc/config/microblaze/microblaze.h gcc-5.2.0/gcc/config
  #define CONSTANT_ALIGNMENT(EXP, ALIGN)					\
    ((TREE_CODE (EXP) == STRING_CST  || TREE_CODE (EXP) == CONSTRUCTOR)	\
     && (ALIGN) < BITS_PER_WORD						\
-diff -Nur gcc-5.2.0.orig/gcc/config/mips/linux.h gcc-5.2.0/gcc/config/mips/linux.h
---- gcc-5.2.0.orig/gcc/config/mips/linux.h	2015-01-05 13:33:28.000000000 +0100
-+++ gcc-5.2.0/gcc/config/mips/linux.h	2015-10-30 06:22:30.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config/mips/linux.h gcc-5.3.0/gcc/config/mips/linux.h
+--- gcc-5.3.0.orig/gcc/config/mips/linux.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/gcc/config/mips/linux.h	2015-12-08 05:53:22.243521385 +0100
 @@ -31,13 +31,26 @@
  #undef UCLIBC_DYNAMIC_LINKER32
  #define UCLIBC_DYNAMIC_LINKER32 \
@@ -299,9 +297,9 @@ diff -Nur gcc-5.2.0.orig/gcc/config/mips/linux.h gcc-5.2.0/gcc/config/mips/linux
    CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, \
 -                         BIONIC_DYNAMIC_LINKERN32)
 +                         BIONIC_DYNAMIC_LINKERN32, MUSL_DYNAMIC_LINKERN32)
-diff -Nur gcc-5.2.0.orig/gcc/config/rs6000/linux64.h gcc-5.2.0/gcc/config/rs6000/linux64.h
---- gcc-5.2.0.orig/gcc/config/rs6000/linux64.h	2015-03-10 00:18:57.000000000 +0100
-+++ gcc-5.2.0/gcc/config/rs6000/linux64.h	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config/rs6000/linux64.h gcc-5.3.0/gcc/config/rs6000/linux64.h
+--- gcc-5.3.0.orig/gcc/config/rs6000/linux64.h	2015-03-10 00:18:57.000000000 +0100
++++ gcc-5.3.0/gcc/config/rs6000/linux64.h	2015-12-08 05:53:22.243521385 +0100
 @@ -365,17 +365,21 @@
  #endif
  #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
@@ -328,17 +326,17 @@ diff -Nur gcc-5.2.0.orig/gcc/config/rs6000/linux64.h gcc-5.2.0/gcc/config/rs6000
  
  #undef  DEFAULT_ASM_ENDIAN
  #if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN)
-diff -Nur gcc-5.2.0.orig/gcc/config/rs6000/secureplt.h gcc-5.2.0/gcc/config/rs6000/secureplt.h
---- gcc-5.2.0.orig/gcc/config/rs6000/secureplt.h	2015-01-05 13:33:28.000000000 +0100
-+++ gcc-5.2.0/gcc/config/rs6000/secureplt.h	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config/rs6000/secureplt.h gcc-5.3.0/gcc/config/rs6000/secureplt.h
+--- gcc-5.3.0.orig/gcc/config/rs6000/secureplt.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/gcc/config/rs6000/secureplt.h	2015-12-08 05:53:22.243521385 +0100
 @@ -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-5.2.0.orig/gcc/config/rs6000/sysv4.h gcc-5.2.0/gcc/config/rs6000/sysv4.h
---- gcc-5.2.0.orig/gcc/config/rs6000/sysv4.h	2015-01-05 13:33:28.000000000 +0100
-+++ gcc-5.2.0/gcc/config/rs6000/sysv4.h	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config/rs6000/sysv4.h gcc-5.3.0/gcc/config/rs6000/sysv4.h
+--- gcc-5.3.0.orig/gcc/config/rs6000/sysv4.h	2015-09-24 15:46:45.000000000 +0200
++++ gcc-5.3.0/gcc/config/rs6000/sysv4.h	2015-12-08 05:53:22.243521385 +0100
 @@ -537,6 +537,9 @@
  #ifndef CC1_SECURE_PLT_DEFAULT_SPEC
  #define CC1_SECURE_PLT_DEFAULT_SPEC ""
@@ -349,17 +347,7 @@ diff -Nur gcc-5.2.0.orig/gcc/config/rs6000/sysv4.h gcc-5.2.0/gcc/config/rs6000/s
  
  /* Pass -G xxx to the compiler.  */
  #undef CC1_SPEC
-@@ -586,7 +589,8 @@
- 
- /* 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 "\
-@@ -764,15 +768,18 @@
+@@ -759,15 +762,18 @@
  
  #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
  #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
@@ -381,7 +369,7 @@ diff -Nur gcc-5.2.0.orig/gcc/config/rs6000/sysv4.h gcc-5.2.0/gcc/config/rs6000/s
  
  #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
    %{rdynamic:-export-dynamic} \
-@@ -895,6 +902,7 @@
+@@ -889,6 +895,7 @@
    { "link_os_openbsd",		LINK_OS_OPENBSD_SPEC },			\
    { "link_os_default",		LINK_OS_DEFAULT_SPEC },			\
    { "cc1_secure_plt_default",	CC1_SECURE_PLT_DEFAULT_SPEC },		\
@@ -389,9 +377,9 @@ diff -Nur gcc-5.2.0.orig/gcc/config/rs6000/sysv4.h gcc-5.2.0/gcc/config/rs6000/s
    { "cpp_os_ads",		CPP_OS_ADS_SPEC },			\
    { "cpp_os_yellowknife",	CPP_OS_YELLOWKNIFE_SPEC },		\
    { "cpp_os_mvme",		CPP_OS_MVME_SPEC },			\
-diff -Nur gcc-5.2.0.orig/gcc/config/sh/linux.h gcc-5.2.0/gcc/config/sh/linux.h
---- gcc-5.2.0.orig/gcc/config/sh/linux.h	2015-01-05 13:33:28.000000000 +0100
-+++ gcc-5.2.0/gcc/config/sh/linux.h	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config/sh/linux.h gcc-5.3.0/gcc/config/sh/linux.h
+--- gcc-5.3.0.orig/gcc/config/sh/linux.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/gcc/config/sh/linux.h	2015-12-08 05:53:22.243521385 +0100
 @@ -43,7 +43,14 @@
  
  #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
@@ -407,9 +395,9 @@ diff -Nur gcc-5.2.0.orig/gcc/config/sh/linux.h gcc-5.2.0/gcc/config/sh/linux.h
  
  #undef SUBTARGET_LINK_EMUL_SUFFIX
  #define SUBTARGET_LINK_EMUL_SUFFIX "_linux"
-diff -Nur gcc-5.2.0.orig/gcc/config.gcc gcc-5.2.0/gcc/config.gcc
---- gcc-5.2.0.orig/gcc/config.gcc	2015-07-02 17:53:33.000000000 +0200
-+++ gcc-5.2.0/gcc/config.gcc	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/config.gcc gcc-5.3.0/gcc/config.gcc
+--- gcc-5.3.0.orig/gcc/config.gcc	2015-09-10 16:17:53.000000000 +0200
++++ gcc-5.3.0/gcc/config.gcc	2015-12-08 05:53:22.247521539 +0100
 @@ -575,7 +575,7 @@
  esac
  
@@ -429,7 +417,7 @@ diff -Nur gcc-5.2.0.orig/gcc/config.gcc gcc-5.2.0/gcc/config.gcc
      *)
        tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC"
        ;;
-@@ -2407,6 +2410,10 @@
+@@ -2413,6 +2416,10 @@
  	    powerpc*-*-linux*paired*)
  		tm_file="${tm_file} rs6000/750cl.h" ;;
  	esac
@@ -440,10 +428,10 @@ diff -Nur gcc-5.2.0.orig/gcc/config.gcc gcc-5.2.0/gcc/config.gcc
  	if test x${enable_secureplt} = xyes; then
  		tm_file="rs6000/secureplt.h ${tm_file}"
  	fi
-diff -Nur gcc-5.2.0.orig/gcc/configure gcc-5.2.0/gcc/configure
---- gcc-5.2.0.orig/gcc/configure	2015-07-03 19:00:49.000000000 +0200
-+++ gcc-5.2.0/gcc/configure	2015-10-29 22:25:16.000000000 +0100
-@@ -27742,6 +27742,9 @@
+diff -Nur gcc-5.3.0.orig/gcc/configure gcc-5.3.0/gcc/configure
+--- gcc-5.3.0.orig/gcc/configure	2015-11-19 14:32:10.000000000 +0100
++++ gcc-5.3.0/gcc/configure	2015-12-08 05:53:22.251521693 +0100
+@@ -27802,6 +27802,9 @@
  else
    gcc_cv_libc_provides_ssp=no
      case "$target" in
@@ -453,7 +441,7 @@ diff -Nur gcc-5.2.0.orig/gcc/configure gcc-5.2.0/gcc/configure
         *-*-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 @@
+@@ -27834,6 +27837,7 @@
  	 # <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.
@@ -461,7 +449,7 @@ diff -Nur gcc-5.2.0.orig/gcc/configure gcc-5.2.0/gcc/configure
  	 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 @@
+@@ -27930,6 +27934,9 @@
        gcc_cv_target_dl_iterate_phdr=no
      fi
      ;;
@@ -471,10 +459,10 @@ diff -Nur gcc-5.2.0.orig/gcc/configure gcc-5.2.0/gcc/configure
  esac
  
  if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
-diff -Nur gcc-5.2.0.orig/gcc/configure.ac gcc-5.2.0/gcc/configure.ac
---- gcc-5.2.0.orig/gcc/configure.ac	2015-07-03 19:00:49.000000000 +0200
-+++ gcc-5.2.0/gcc/configure.ac	2015-10-29 22:25:16.000000000 +0100
-@@ -5229,6 +5229,9 @@
+diff -Nur gcc-5.3.0.orig/gcc/configure.ac gcc-5.3.0/gcc/configure.ac
+--- gcc-5.3.0.orig/gcc/configure.ac	2015-11-19 14:32:10.000000000 +0100
++++ gcc-5.3.0/gcc/configure.ac	2015-12-08 05:53:22.255521847 +0100
+@@ -5282,6 +5282,9 @@
        gcc_cv_libc_provides_ssp,
        [gcc_cv_libc_provides_ssp=no
      case "$target" in
@@ -484,7 +472,7 @@ diff -Nur gcc-5.2.0.orig/gcc/configure.ac gcc-5.2.0/gcc/configure.ac
         *-*-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 @@
+@@ -5308,6 +5311,7 @@
  	 # <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.
@@ -492,7 +480,7 @@ diff -Nur gcc-5.2.0.orig/gcc/configure.ac gcc-5.2.0/gcc/configure.ac
  	 gcc_cv_libc_provides_ssp=yes;;
         *-*-darwin* | *-*-freebsd*)
  	 AC_CHECK_FUNC(__stack_chk_fail,[gcc_cv_libc_provides_ssp=yes],
-@@ -5328,6 +5332,9 @@
+@@ -5381,6 +5385,9 @@
        gcc_cv_target_dl_iterate_phdr=no
      fi
      ;;
@@ -502,9 +490,9 @@ diff -Nur gcc-5.2.0.orig/gcc/configure.ac gcc-5.2.0/gcc/configure.ac
  esac
  GCC_TARGET_TEMPLATE([TARGET_DL_ITERATE_PHDR])
  if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
-diff -Nur gcc-5.2.0.orig/gcc/gcc.c gcc-5.2.0/gcc/gcc.c
---- gcc-5.2.0.orig/gcc/gcc.c	2015-03-10 10:37:41.000000000 +0100
-+++ gcc-5.2.0/gcc/gcc.c	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/gcc.c gcc-5.3.0/gcc/gcc.c
+--- gcc-5.3.0.orig/gcc/gcc.c	2015-03-10 10:37:41.000000000 +0100
++++ gcc-5.3.0/gcc/gcc.c	2015-12-08 05:53:22.255521847 +0100
 @@ -729,7 +729,7 @@
  #ifndef LINK_SSP_SPEC
  #ifdef TARGET_LIBC_PROVIDES_SSP
@@ -514,9 +502,9 @@ diff -Nur gcc-5.2.0.orig/gcc/gcc.c gcc-5.2.0/gcc/gcc.c
  #else
  #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \
  		       "|fstack-protector-strong|fstack-protector-explicit" \
-diff -Nur gcc-5.2.0.orig/gcc/ginclude/stddef.h gcc-5.2.0/gcc/ginclude/stddef.h
---- gcc-5.2.0.orig/gcc/ginclude/stddef.h	2015-01-05 13:33:28.000000000 +0100
-+++ gcc-5.2.0/gcc/ginclude/stddef.h	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/gcc/ginclude/stddef.h gcc-5.3.0/gcc/ginclude/stddef.h
+--- gcc-5.3.0.orig/gcc/ginclude/stddef.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/gcc/ginclude/stddef.h	2015-12-08 05:53:22.255521847 +0100
 @@ -184,6 +184,7 @@
  #ifndef _GCC_SIZE_T
  #ifndef _SIZET_
@@ -541,9 +529,9 @@ diff -Nur gcc-5.2.0.orig/gcc/ginclude/stddef.h gcc-5.2.0/gcc/ginclude/stddef.h
  #endif /* __size_t */
  #endif /* _SIZET_ */
  #endif /* _GCC_SIZE_T */
-diff -Nur gcc-5.2.0.orig/libgcc/unwind-dw2-fde-dip.c gcc-5.2.0/libgcc/unwind-dw2-fde-dip.c
---- gcc-5.2.0.orig/libgcc/unwind-dw2-fde-dip.c	2015-01-27 11:02:26.000000000 +0100
-+++ gcc-5.2.0/libgcc/unwind-dw2-fde-dip.c	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/libgcc/unwind-dw2-fde-dip.c gcc-5.3.0/libgcc/unwind-dw2-fde-dip.c
+--- gcc-5.3.0.orig/libgcc/unwind-dw2-fde-dip.c	2015-01-27 11:02:26.000000000 +0100
++++ gcc-5.3.0/libgcc/unwind-dw2-fde-dip.c	2015-12-08 05:53:22.255521847 +0100
 @@ -46,6 +46,10 @@
  #include "unwind-compat.h"
  #include "gthr.h"
@@ -555,9 +543,9 @@ diff -Nur gcc-5.2.0.orig/libgcc/unwind-dw2-fde-dip.c gcc-5.2.0/libgcc/unwind-dw2
  #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)))
-diff -Nur gcc-5.2.0.orig/libgomp/config/posix/time.c gcc-5.2.0/libgomp/config/posix/time.c
---- gcc-5.2.0.orig/libgomp/config/posix/time.c	2015-01-10 20:10:37.000000000 +0100
-+++ gcc-5.2.0/libgomp/config/posix/time.c	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/libgomp/config/posix/time.c gcc-5.3.0/libgomp/config/posix/time.c
+--- gcc-5.3.0.orig/libgomp/config/posix/time.c	2015-01-10 20:10:37.000000000 +0100
++++ gcc-5.3.0/libgomp/config/posix/time.c	2015-12-08 05:53:22.255521847 +0100
 @@ -29,6 +29,8 @@
     The following implementation uses the most simple POSIX routines.
     If present, POSIX 4 clocks should be used instead.  */
@@ -567,9 +555,9 @@ diff -Nur gcc-5.2.0.orig/libgomp/config/posix/time.c gcc-5.2.0/libgomp/config/po
  #include "libgomp.h"
  #include <unistd.h>
  #if TIME_WITH_SYS_TIME
-diff -Nur gcc-5.2.0.orig/libitm/config/arm/hwcap.cc gcc-5.2.0/libitm/config/arm/hwcap.cc
---- gcc-5.2.0.orig/libitm/config/arm/hwcap.cc	2015-01-05 13:33:28.000000000 +0100
-+++ gcc-5.2.0/libitm/config/arm/hwcap.cc	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/libitm/config/arm/hwcap.cc gcc-5.3.0/libitm/config/arm/hwcap.cc
+--- gcc-5.3.0.orig/libitm/config/arm/hwcap.cc	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libitm/config/arm/hwcap.cc	2015-12-08 05:53:22.255521847 +0100
 @@ -40,7 +40,11 @@
  
  #ifdef __linux__
@@ -582,9 +570,9 @@ diff -Nur gcc-5.2.0.orig/libitm/config/arm/hwcap.cc gcc-5.2.0/libitm/config/arm/
  #include <elf.h>
  
  static void __attribute__((constructor))
-diff -Nur gcc-5.2.0.orig/libitm/config/linux/x86/tls.h gcc-5.2.0/libitm/config/linux/x86/tls.h
---- gcc-5.2.0.orig/libitm/config/linux/x86/tls.h	2015-01-05 13:33:28.000000000 +0100
-+++ gcc-5.2.0/libitm/config/linux/x86/tls.h	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/libitm/config/linux/x86/tls.h gcc-5.3.0/libitm/config/linux/x86/tls.h
+--- gcc-5.3.0.orig/libitm/config/linux/x86/tls.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libitm/config/linux/x86/tls.h	2015-12-08 05:53:22.255521847 +0100
 @@ -25,16 +25,19 @@
  #ifndef LIBITM_X86_TLS_H
  #define LIBITM_X86_TLS_H 1
@@ -614,9 +602,9 @@ diff -Nur gcc-5.2.0.orig/libitm/config/linux/x86/tls.h gcc-5.2.0/libitm/config/l
 +#endif
  
  #endif // LIBITM_X86_TLS_H
-diff -Nur gcc-5.2.0.orig/libstdc++-v3/configure.host gcc-5.2.0/libstdc++-v3/configure.host
---- gcc-5.2.0.orig/libstdc++-v3/configure.host	2015-06-24 11:59:28.000000000 +0200
-+++ gcc-5.2.0/libstdc++-v3/configure.host	2015-10-29 22:25:16.000000000 +0100
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/configure.host gcc-5.3.0/libstdc++-v3/configure.host
+--- gcc-5.3.0.orig/libstdc++-v3/configure.host	2015-06-24 11:59:28.000000000 +0200
++++ gcc-5.3.0/libstdc++-v3/configure.host	2015-12-08 05:53:22.255521847 +0100
 @@ -274,6 +274,13 @@
      os_include_dir="os/bsd/freebsd"
      ;;
diff --git a/toolchain/gcc/patches/5.3.0/ia64-fix-libgcc.patch b/toolchain/gcc/patches/5.3.0/ia64-fix-libgcc.patch
new file mode 100644
index 000000000..cdbbd6000
--- /dev/null
+++ b/toolchain/gcc/patches/5.3.0/ia64-fix-libgcc.patch
@@ -0,0 +1,30 @@
+diff -Nur gcc-4.9.3.orig/libgcc/config/ia64/fde-glibc.c gcc-4.9.3/libgcc/config/ia64/fde-glibc.c
+--- gcc-4.9.3.orig/libgcc/config/ia64/fde-glibc.c	2014-01-02 23:25:22.000000000 +0100
++++ gcc-4.9.3/libgcc/config/ia64/fde-glibc.c	2015-12-01 07:06:43.963906167 +0100
+@@ -25,6 +25,8 @@
+ /* Locate the FDE entry for a given address, using glibc ld.so routines
+    to avoid register/deregister calls at DSO load/unload.  */
+ 
++#ifndef inhibit_libc
++
+ #ifndef _GNU_SOURCE
+ #define _GNU_SOURCE 1
+ #endif
+@@ -159,3 +161,4 @@
+ 
+   return data.ret;
+ }
++#endif
+diff -Nur gcc-4.9.3.orig/libgcc/unwind-generic.h gcc-4.9.3/libgcc/unwind-generic.h
+--- gcc-4.9.3.orig/libgcc/unwind-generic.h	2014-01-02 23:25:22.000000000 +0100
++++ gcc-4.9.3/libgcc/unwind-generic.h	2015-12-01 07:00:15.731287428 +0100
+@@ -221,7 +221,9 @@
+    compatible with the standard ABI for IA-64, we inline these.  */
+ 
+ #ifdef __ia64__
++#ifndef inhibit_libc
+ #include <stdlib.h>
++#endif
+ 
+ static inline _Unwind_Ptr
+ _Unwind_GetDataRelBase (struct _Unwind_Context *_C)
diff --git a/toolchain/gcc/patches/5.3.0/libstdcxx-uclibc-c99.patch b/toolchain/gcc/patches/5.3.0/libstdcxx-uclibc-c99.patch
new file mode 100644
index 000000000..fcf2af8d5
--- /dev/null
+++ b/toolchain/gcc/patches/5.3.0/libstdcxx-uclibc-c99.patch
@@ -0,0 +1,237 @@
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/config/locale/generic/c_locale.h gcc-5.3.0/libstdc++-v3/config/locale/generic/c_locale.h
+--- gcc-5.3.0.orig/libstdc++-v3/config/locale/generic/c_locale.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/config/locale/generic/c_locale.h	2015-12-06 09:10:01.383992311 +0100
+@@ -70,7 +70,7 @@
+     __builtin_va_list __args;
+     __builtin_va_start(__args, __fmt);
+ 
+-#ifdef _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+     const int __ret = __builtin_vsnprintf(__out, __size, __fmt, __args);
+ #else
+     const int __ret = __builtin_vsprintf(__out, __fmt, __args);
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/config/locale/gnu/c_locale.h gcc-5.3.0/libstdc++-v3/config/locale/gnu/c_locale.h
+--- gcc-5.3.0.orig/libstdc++-v3/config/locale/gnu/c_locale.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/config/locale/gnu/c_locale.h	2015-12-06 09:10:01.383992311 +0100
+@@ -88,7 +88,7 @@
+     __builtin_va_list __args;
+     __builtin_va_start(__args, __fmt);
+ 
+-#ifdef _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+     const int __ret = __builtin_vsnprintf(__out, __size, __fmt, __args);
+ #else
+     const int __ret = __builtin_vsprintf(__out, __fmt, __args);
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/bits/basic_string.h gcc-5.3.0/libstdc++-v3/include/bits/basic_string.h
+--- gcc-5.3.0.orig/libstdc++-v3/include/bits/basic_string.h	2015-11-25 17:11:33.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/bits/basic_string.h	2015-12-06 09:10:01.383992311 +0100
+@@ -5246,7 +5246,7 @@
+ _GLIBCXX_END_NAMESPACE_VERSION
+ } // namespace
+ 
+-#if __cplusplus >= 201103L && defined(_GLIBCXX_USE_C99)
++#if __cplusplus >= 201103L && (defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__))
+ 
+ #include <ext/string_conversions.h>
+ 
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/bits/locale_facets_nonio.tcc gcc-5.3.0/libstdc++-v3/include/bits/locale_facets_nonio.tcc
+--- gcc-5.3.0.orig/libstdc++-v3/include/bits/locale_facets_nonio.tcc	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/bits/locale_facets_nonio.tcc	2015-12-06 09:10:01.383992311 +0100
+@@ -578,7 +578,7 @@
+     {
+       const locale __loc = __io.getloc();
+       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
+-#ifdef _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+       // First try a buffer perhaps big enough.
+       int __cs_size = 64;
+       char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/bits/locale_facets.tcc gcc-5.3.0/libstdc++-v3/include/bits/locale_facets.tcc
+--- gcc-5.3.0.orig/libstdc++-v3/include/bits/locale_facets.tcc	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/bits/locale_facets.tcc	2015-12-06 09:10:32.189186155 +0100
+@@ -992,7 +992,7 @@
+ 	char __fbuf[16];
+ 	__num_base::_S_format_float(__io, __fbuf, __mod);
+ 
+-#ifdef _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+ 	// Precision is always used except for hexfloat format.
+ 	const bool __use_prec =
+ 	  (__io.flags() & ios_base::floatfield) != ios_base::floatfield;
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/c_compatibility/math.h gcc-5.3.0/libstdc++-v3/include/c_compatibility/math.h
+--- gcc-5.3.0.orig/libstdc++-v3/include/c_compatibility/math.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/c_compatibility/math.h	2015-12-06 09:10:01.383992311 +0100
+@@ -56,7 +56,7 @@
+ using std::floor;
+ using std::fmod;
+ 
+-#if _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+ using std::fpclassify;
+ using std::isfinite;
+ using std::isinf;
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/c_compatibility/wchar.h gcc-5.3.0/libstdc++-v3/include/c_compatibility/wchar.h
+--- gcc-5.3.0.orig/libstdc++-v3/include/c_compatibility/wchar.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/c_compatibility/wchar.h	2015-12-06 09:10:01.383992311 +0100
+@@ -103,7 +103,7 @@
+ using std::wmemset;
+ using std::wcsftime;
+ 
+-#if _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+ using std::wcstold;
+ using std::wcstoll;
+ using std::wcstoull;
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/c_global/cstdio gcc-5.3.0/libstdc++-v3/include/c_global/cstdio
+--- gcc-5.3.0.orig/libstdc++-v3/include/c_global/cstdio	2015-02-01 16:11:08.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/c_global/cstdio	2015-12-06 09:10:01.383992311 +0100
+@@ -146,7 +146,7 @@
+   using ::vsprintf;
+ } // namespace
+ 
+-#if _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+ 
+ #undef snprintf
+ #undef vfscanf
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/c_global/cstdlib gcc-5.3.0/libstdc++-v3/include/c_global/cstdlib
+--- gcc-5.3.0.orig/libstdc++-v3/include/c_global/cstdlib	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/c_global/cstdlib	2015-12-06 09:10:01.383992311 +0100
+@@ -195,7 +195,7 @@
+ _GLIBCXX_END_NAMESPACE_VERSION
+ } // namespace
+ 
+-#if _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+ 
+ #undef _Exit
+ #undef llabs
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/c_global/cwchar gcc-5.3.0/libstdc++-v3/include/c_global/cwchar
+--- gcc-5.3.0.orig/libstdc++-v3/include/c_global/cwchar	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/c_global/cwchar	2015-12-06 09:10:01.383992311 +0100
+@@ -232,7 +232,7 @@
+ _GLIBCXX_END_NAMESPACE_VERSION
+ } // namespace
+ 
+-#if _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+ 
+ #undef wcstold
+ #undef wcstoll
+@@ -289,7 +289,7 @@
+   using std::vwscanf;
+ #endif
+ 
+-#if _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+   using std::wcstold;
+   using std::wcstoll;
+   using std::wcstoull;
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/c_std/cstdio gcc-5.3.0/libstdc++-v3/include/c_std/cstdio
+--- gcc-5.3.0.orig/libstdc++-v3/include/c_std/cstdio	2015-02-01 16:11:08.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/c_std/cstdio	2015-12-06 09:10:01.383992311 +0100
+@@ -144,7 +144,7 @@
+   using ::vsprintf;
+ } // namespace std
+ 
+-#if _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+ 
+ #undef snprintf
+ #undef vfscanf
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/c_std/cstdlib gcc-5.3.0/libstdc++-v3/include/c_std/cstdlib
+--- gcc-5.3.0.orig/libstdc++-v3/include/c_std/cstdlib	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/c_std/cstdlib	2015-12-06 09:10:01.383992311 +0100
+@@ -192,7 +192,7 @@
+ _GLIBCXX_END_NAMESPACE_VERSION
+ } // namespace
+ 
+-#if _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+ 
+ #undef _Exit
+ #undef llabs
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/c_std/cwchar gcc-5.3.0/libstdc++-v3/include/c_std/cwchar
+--- gcc-5.3.0.orig/libstdc++-v3/include/c_std/cwchar	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/c_std/cwchar	2015-12-06 09:10:01.383992311 +0100
+@@ -228,7 +228,7 @@
+ _GLIBCXX_END_NAMESPACE_VERSION
+ } // namespace
+ 
+-#if _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+ 
+ #undef wcstold
+ #undef wcstoll
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/ext/vstring.h gcc-5.3.0/libstdc++-v3/include/ext/vstring.h
+--- gcc-5.3.0.orig/libstdc++-v3/include/ext/vstring.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/ext/vstring.h	2015-12-06 09:10:01.387992466 +0100
+@@ -2680,7 +2680,7 @@
+ _GLIBCXX_END_NAMESPACE_VERSION
+ } // namespace
+ 
+-#if ((__cplusplus >= 201103L) && defined(_GLIBCXX_USE_C99))
++#if ((__cplusplus >= 201103L) && (defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)))
+ 
+ #include <ext/string_conversions.h>
+ 
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/tr1/cstdio gcc-5.3.0/libstdc++-v3/include/tr1/cstdio
+--- gcc-5.3.0.orig/libstdc++-v3/include/tr1/cstdio	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/tr1/cstdio	2015-12-06 09:10:01.395992777 +0100
+@@ -33,7 +33,7 @@
+ 
+ #include <cstdio>
+ 
+-#if _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+ 
+ namespace std _GLIBCXX_VISIBILITY(default)
+ {
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/tr1/cstdlib gcc-5.3.0/libstdc++-v3/include/tr1/cstdlib
+--- gcc-5.3.0.orig/libstdc++-v3/include/tr1/cstdlib	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/tr1/cstdlib	2015-12-06 09:10:01.395992777 +0100
+@@ -35,7 +35,7 @@
+ 
+ #if _GLIBCXX_HOSTED
+ 
+-#if _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+ 
+ namespace std _GLIBCXX_VISIBILITY(default)
+ {
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/tr1/cwchar gcc-5.3.0/libstdc++-v3/include/tr1/cwchar
+--- gcc-5.3.0.orig/libstdc++-v3/include/tr1/cwchar	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/tr1/cwchar	2015-12-06 09:10:01.395992777 +0100
+@@ -52,7 +52,7 @@
+   using std::vwscanf;
+ #endif
+ 
+-#if _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+   using std::wcstold;
+   using std::wcstoll;
+   using std::wcstoull;
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/include/tr1/stdlib.h gcc-5.3.0/libstdc++-v3/include/tr1/stdlib.h
+--- gcc-5.3.0.orig/libstdc++-v3/include/tr1/stdlib.h	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/include/tr1/stdlib.h	2015-12-06 09:10:01.395992777 +0100
+@@ -33,7 +33,7 @@
+ 
+ #if _GLIBCXX_HOSTED
+ 
+-#if _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+ 
+ using std::tr1::atoll;
+ using std::tr1::strtoll;
+diff -Nur gcc-5.3.0.orig/libstdc++-v3/src/c++11/debug.cc gcc-5.3.0/libstdc++-v3/src/c++11/debug.cc
+--- gcc-5.3.0.orig/libstdc++-v3/src/c++11/debug.cc	2015-01-05 13:33:28.000000000 +0100
++++ gcc-5.3.0/libstdc++-v3/src/c++11/debug.cc	2015-12-06 09:10:01.395992777 +0100
+@@ -788,7 +788,7 @@
+ 				     int __n __attribute__ ((__unused__)), 
+ 				     const char* __fmt, _Tp __s) const throw ()
+     {
+-#ifdef _GLIBCXX_USE_C99
++#if defined(_GLIBCXX_USE_C99) || defined(__UCLIBC__)
+       std::snprintf(__buf, __n, __fmt, __s);
+ #else
+       std::sprintf(__buf, __fmt, __s);
diff --git a/toolchain/gcc/patches/5.3.0/m68k-disable-atomic-uclinux.patch b/toolchain/gcc/patches/5.3.0/m68k-disable-atomic-uclinux.patch
new file mode 100644
index 000000000..4ab553218
--- /dev/null
+++ b/toolchain/gcc/patches/5.3.0/m68k-disable-atomic-uclinux.patch
@@ -0,0 +1,12 @@
+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/5.2.0/fix-tile.patch b/toolchain/gcc/patches/5.3.0/tile-fix-libgcc.patch
index 07aa97200..07aa97200 100644
--- a/toolchain/gcc/patches/5.2.0/fix-tile.patch
+++ b/toolchain/gcc/patches/5.3.0/tile-fix-libgcc.patch
diff --git a/toolchain/gcc/patches/5.3.0/uclibc-cmath-long-double.patch b/toolchain/gcc/patches/5.3.0/uclibc-cmath-long-double.patch
new file mode 100644
index 000000000..9ea5dc38f
--- /dev/null
+++ b/toolchain/gcc/patches/5.3.0/uclibc-cmath-long-double.patch
@@ -0,0 +1,434 @@
+diff -Nur gcc-4.9.2.orig/libstdc++-v3/include/c_global/cmath gcc-4.9.2/libstdc++-v3/include/c_global/cmath
+--- gcc-4.9.2.orig/libstdc++-v3/include/c_global/cmath	2014-01-02 16:30:10.000000000 -0600
++++ gcc-4.9.2/libstdc++-v3/include/c_global/cmath	2015-06-02 20:29:58.615890169 -0500
+@@ -1041,143 +1041,213 @@
+   // functions
+   using ::acosh;
+   using ::acoshf;
++#ifdef __LONG_DOUBLE_128__
+   using ::acoshl;
++#endif
+ 
+   using ::asinh;
+   using ::asinhf;
++#ifdef __LONG_DOUBLE_128__
+   using ::asinhl;
++#endif
+ 
+   using ::atanh;
+   using ::atanhf;
++#ifdef __LONG_DOUBLE_128__
+   using ::atanhl;
++#endif
+ 
+   using ::cbrt;
+   using ::cbrtf;
++#ifdef __LONG_DOUBLE_128__
+   using ::cbrtl;
++#endif
+ 
+   using ::copysign;
+   using ::copysignf;
++#ifdef __LONG_DOUBLE_128__
+   using ::copysignl;
++#endif
+ 
+   using ::erf;
+   using ::erff;
++#ifdef __LONG_DOUBLE_128__
+   using ::erfl;
++#endif
+ 
+   using ::erfc;
+   using ::erfcf;
++#ifdef __LONG_DOUBLE_128__
+   using ::erfcl;
++#endif
+ 
+   using ::exp2;
+   using ::exp2f;
++#ifdef __LONG_DOUBLE_128__
+   using ::exp2l;
++#endif
+ 
+   using ::expm1;
+   using ::expm1f;
++#ifdef __LONG_DOUBLE_128__
+   using ::expm1l;
++#endif
+ 
+   using ::fdim;
+   using ::fdimf;
++#ifdef __LONG_DOUBLE_128__
+   using ::fdiml;
++#endif
+ 
+   using ::fma;
+   using ::fmaf;
++#ifdef __LONG_DOUBLE_128__
+   using ::fmal;
++#endif
+ 
+   using ::fmax;
+   using ::fmaxf;
++#ifdef __LONG_DOUBLE_128__
+   using ::fmaxl;
++#endif
+ 
+   using ::fmin;
+   using ::fminf;
++#ifdef __LONG_DOUBLE_128__
+   using ::fminl;
++#endif
+ 
+   using ::hypot;
+   using ::hypotf;
++#ifdef __LONG_DOUBLE_128__
+   using ::hypotl;
++#endif
+ 
+   using ::ilogb;
+   using ::ilogbf;
++#ifdef __LONG_DOUBLE_128__
+   using ::ilogbl;
++#endif
+ 
+   using ::lgamma;
+   using ::lgammaf;
++#ifdef __LONG_DOUBLE_128__
+   using ::lgammal;
++#endif
+ 
+   using ::llrint;
+   using ::llrintf;
++#ifdef __LONG_DOUBLE_128__
+   using ::llrintl;
++#endif
+ 
+   using ::llround;
+   using ::llroundf;
++#ifdef __LONG_DOUBLE_128__
+   using ::llroundl;
++#endif
+ 
+   using ::log1p;
+   using ::log1pf;
++#ifdef __LONG_DOUBLE_128__
+   using ::log1pl;
++#endif
+ 
+   using ::log2;
+   using ::log2f;
++#ifdef __LONG_DOUBLE_128__
+   using ::log2l;
++#endif
+ 
+   using ::logb;
+   using ::logbf;
++#ifdef __LONG_DOUBLE_128__
+   using ::logbl;
++#endif
+ 
+   using ::lrint;
+   using ::lrintf;
++#ifdef __LONG_DOUBLE_128__
+   using ::lrintl;
++#endif
+ 
+   using ::lround;
+   using ::lroundf;
++#ifdef __LONG_DOUBLE_128__
+   using ::lroundl;
++#endif
+ 
+   using ::nan;
+   using ::nanf;
++#ifdef __LONG_DOUBLE_128__
+   using ::nanl;
++#endif
+ 
+   using ::nearbyint;
+   using ::nearbyintf;
++#ifdef __LONG_DOUBLE_128__
+   using ::nearbyintl;
++#endif
+ 
+   using ::nextafter;
+   using ::nextafterf;
++#ifdef __LONG_DOUBLE_128__
+   using ::nextafterl;
++#endif
+ 
+   using ::nexttoward;
+   using ::nexttowardf;
++#ifdef __LONG_DOUBLE_128__
+   using ::nexttowardl;
++#endif
+ 
+   using ::remainder;
+   using ::remainderf;
++#ifdef __LONG_DOUBLE_128__
+   using ::remainderl;
++#endif
+ 
+   using ::remquo;
+   using ::remquof;
++#ifdef __LONG_DOUBLE_128__
+   using ::remquol;
++#endif
+ 
+   using ::rint;
+   using ::rintf;
++#ifdef __LONG_DOUBLE_128__
+   using ::rintl;
++#endif
+ 
+   using ::round;
+   using ::roundf;
++#ifdef __LONG_DOUBLE_128__
+   using ::roundl;
++#endif
+ 
+   using ::scalbln;
+   using ::scalblnf;
++#ifdef __LONG_DOUBLE_128__
+   using ::scalblnl;
++#endif
+ 
+   using ::scalbn;
+   using ::scalbnf;
++#ifdef __LONG_DOUBLE_128__
+   using ::scalbnl;
++#endif
+ 
+   using ::tgamma;
+   using ::tgammaf;
++#ifdef __LONG_DOUBLE_128__
+   using ::tgammal;
++#endif
+ 
+   using ::trunc;
+   using ::truncf;
++#ifdef __LONG_DOUBLE_128__
+   using ::truncl;
++#endif
+ 
+   /// Additional overloads.
+   constexpr float
+diff -Nur gcc-4.9.2.orig/libstdc++-v3/include/tr1/cmath gcc-4.9.2/libstdc++-v3/include/tr1/cmath
+--- gcc-4.9.2.orig/libstdc++-v3/include/tr1/cmath	2014-01-02 16:30:10.000000000 -0600
++++ gcc-4.9.2/libstdc++-v3/include/tr1/cmath	2015-06-02 20:29:58.619890102 -0500
+@@ -158,143 +158,213 @@
+   // functions
+   using ::acosh;
+   using ::acoshf;
++#ifdef __LONG_DOUBLE_128__
+   using ::acoshl;
++#endif
+ 
+   using ::asinh;
+   using ::asinhf;
++#ifdef __LONG_DOUBLE_128__
+   using ::asinhl;
++#endif
+ 
+   using ::atanh;
+   using ::atanhf;
++#ifdef __LONG_DOUBLE_128__
+   using ::atanhl;
++#endif
+ 
+   using ::cbrt;
+   using ::cbrtf;
++#ifdef __LONG_DOUBLE_128__
+   using ::cbrtl;
++#endif
+ 
+   using ::copysign;
+   using ::copysignf;
++#ifdef __LONG_DOUBLE_128__
+   using ::copysignl;
++#endif
+ 
+   using ::erf;
+   using ::erff;
++#ifdef __LONG_DOUBLE_128__
+   using ::erfl;
++#endif
+ 
+   using ::erfc;
+   using ::erfcf;
++#ifdef __LONG_DOUBLE_128__
+   using ::erfcl;
++#endif
+ 
+   using ::exp2;
+   using ::exp2f;
++#ifdef __LONG_DOUBLE_128__
+   using ::exp2l;
++#endif
+ 
+   using ::expm1;
+   using ::expm1f;
++#ifdef __LONG_DOUBLE_128__
+   using ::expm1l;
++#endif
+ 
+   using ::fdim;
+   using ::fdimf;
++#ifdef __LONG_DOUBLE_128__
+   using ::fdiml;
++#endif
+ 
+   using ::fma;
+   using ::fmaf;
++#ifdef __LONG_DOUBLE_128__
+   using ::fmal;
++#endif
+ 
+   using ::fmax;
+   using ::fmaxf;
++#ifdef __LONG_DOUBLE_128__
+   using ::fmaxl;
++#endif
+ 
+   using ::fmin;
+   using ::fminf;
++#ifdef __LONG_DOUBLE_128__
+   using ::fminl;
++#endif
+ 
+   using ::hypot;
+   using ::hypotf;
++#ifdef __LONG_DOUBLE_128__
+   using ::hypotl;
++#endif
+ 
+   using ::ilogb;
+   using ::ilogbf;
++#ifdef __LONG_DOUBLE_128__
+   using ::ilogbl;
++#endif
+ 
+   using ::lgamma;
+   using ::lgammaf;
++#ifdef __LONG_DOUBLE_128__
+   using ::lgammal;
++#endif
+ 
+   using ::llrint;
+   using ::llrintf;
++#ifdef __LONG_DOUBLE_128__
+   using ::llrintl;
++#endif
+ 
+   using ::llround;
+   using ::llroundf;
++#ifdef __LONG_DOUBLE_128__
+   using ::llroundl;
++#endif
+ 
+   using ::log1p;
+   using ::log1pf;
++#ifdef __LONG_DOUBLE_128__
+   using ::log1pl;
++#endif
+ 
+   using ::log2;
+   using ::log2f;
++#ifdef __LONG_DOUBLE_128__
+   using ::log2l;
++#endif
+ 
+   using ::logb;
+   using ::logbf;
++#ifdef __LONG_DOUBLE_128__
+   using ::logbl;
++#endif
+ 
+   using ::lrint;
+   using ::lrintf;
++#ifdef __LONG_DOUBLE_128__
+   using ::lrintl;
++#endif
+ 
+   using ::lround;
+   using ::lroundf;
++#ifdef __LONG_DOUBLE_128__
+   using ::lroundl;
++#endif
+ 
+   using ::nan;
+   using ::nanf;
++#ifdef __LONG_DOUBLE_128__
+   using ::nanl;
++#endif
+ 
+   using ::nearbyint;
+   using ::nearbyintf;
++#ifdef __LONG_DOUBLE_128__
+   using ::nearbyintl;
++#endif
+ 
+   using ::nextafter;
+   using ::nextafterf;
++#ifdef __LONG_DOUBLE_128__
+   using ::nextafterl;
++#endif
+ 
+   using ::nexttoward;
+   using ::nexttowardf;
++#ifdef __LONG_DOUBLE_128__
+   using ::nexttowardl;
++#endif
+ 
+   using ::remainder;
+   using ::remainderf;
++#ifdef __LONG_DOUBLE_128__
+   using ::remainderl;
++#endif
+ 
+   using ::remquo;
+   using ::remquof;
++#ifdef __LONG_DOUBLE_128__
+   using ::remquol;
++#endif
+ 
+   using ::rint;
+   using ::rintf;
++#ifdef __LONG_DOUBLE_128__
+   using ::rintl;
++#endif
+ 
+   using ::round;
+   using ::roundf;
++#ifdef __LONG_DOUBLE_128__
+   using ::roundl;
++#endif
+ 
+   using ::scalbln;
+   using ::scalblnf;
++#ifdef __LONG_DOUBLE_128__
+   using ::scalblnl;
++#endif
+ 
+   using ::scalbn;
+   using ::scalbnf;
++#ifdef __LONG_DOUBLE_128__
+   using ::scalbnl;
++#endif
+ 
+   using ::tgamma;
+   using ::tgammaf;
++#ifdef __LONG_DOUBLE_128__
+   using ::tgammal;
++#endif
+ 
+   using ::trunc;
+   using ::truncf;
++#ifdef __LONG_DOUBLE_128__
+   using ::truncl;
++#endif
+ 
+ #endif
+