buildscripts/dkarm-eabi/patches/gcc-4.9.2.patch

diff -NBaur gcc-4.9.2/gcc/config/arm/t-arm-elf gcc-4.9.2-arm/gcc/config/arm/t-arm-elf
--- gcc-4.9.2/gcc/config/arm/t-arm-elf	2014-01-02 22:23:26.000000000 +0000
+++ gcc-4.9.2-arm/gcc/config/arm/t-arm-elf	2015-02-14 19:27:06.598220000 +0000
@@ -16,10 +16,18 @@
 # along with GCC; see the file COPYING3.  If not see
 # <http://www.gnu.org/licenses/>.
 
-MULTILIB_OPTIONS     = marm/mthumb
-MULTILIB_DIRNAMES    = arm thumb
+MULTILIB_OPTIONS     = mthumb march=armv6k mfloat-abi=hard
+MULTILIB_DIRNAMES    = thumb armv6k fpu
 MULTILIB_EXCEPTIONS  = 
 MULTILIB_MATCHES     =
+ 
+MULTILIB_REQUIRED    = mthumb march=armv6k/mfloat-abi=hard 
+
+
+MULTILIB_MATCHES    += march?armv6k=mtune?mpcore
+MULTILIB_MATCHES    += march?armv6k=mcpu?mpcore
+
+
 
 #MULTILIB_OPTIONS     += mcpu=fa526/mcpu=fa626/mcpu=fa606te/mcpu=fa626te/mcpu=fmp626/mcpu=fa726te
 #MULTILIB_DIRNAMES    += fa526 fa626 fa606te fa626te fmp626 fa726te
@@ -38,9 +46,9 @@
 # Not quite true.  We can support hard-vfp calling in Thumb2, but how do we
 # express that here?  Also, we really need architecture v5e or later
 # (mcrr etc).
-MULTILIB_OPTIONS       += mfloat-abi=hard
-MULTILIB_DIRNAMES      += fpu
-MULTILIB_EXCEPTIONS    += *mthumb/*mfloat-abi=hard*
+#MULTILIB_OPTIONS       += mfloat-abi=hard
+#MULTILIB_DIRNAMES      += fpu
+#MULTILIB_EXCEPTIONS    += *mthumb/*mfloat-abi=hard*
 #MULTILIB_EXCEPTIONS    += *mcpu=fa526/*mfloat-abi=hard*
 #MULTILIB_EXCEPTIONS    += *mcpu=fa626/*mfloat-abi=hard*
 
diff -NBaur gcc-4.9.2/gcc/config/arm/unknown-elf.h gcc-4.9.2-arm/gcc/config/arm/unknown-elf.h
--- gcc-4.9.2/gcc/config/arm/unknown-elf.h	2014-01-02 22:23:26.000000000 +0000
+++ gcc-4.9.2-arm/gcc/config/arm/unknown-elf.h	2015-02-14 19:27:06.598220000 +0000
@@ -93,4 +93,4 @@
    udivmoddi4, which will depend on the exception unwind routines,
    which will depend on abort, which is defined in libc.  */ 
 #undef LINK_GCC_C_SEQUENCE_SPEC
-#define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L --end-group"
+#define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L %(libgloss) --end-group"
diff -NBaur gcc-4.9.2/gcc/gcc.c gcc-4.9.2-arm/gcc/gcc.c
--- gcc-4.9.2/gcc/gcc.c	2014-10-22 22:42:48.000000000 +0100
+++ gcc-4.9.2-arm/gcc/gcc.c	2015-02-14 19:27:06.606220000 +0000
@@ -616,6 +616,11 @@
 #endif
 #endif
 
+#ifndef LIBGLOSS_SPEC
+# define LIBGLOSS_SPEC "-lsysbase"
+#endif
+
+
 /* config.h can define STARTFILE_SPEC to override the default crt0 files.  */
 #ifndef STARTFILE_SPEC
 #define STARTFILE_SPEC  \
@@ -813,6 +818,7 @@
 static const char *lib_spec = LIB_SPEC;
 static const char *link_gomp_spec = "";
 static const char *libgcc_spec = LIBGCC_SPEC;
+static const char *libgloss_spec = LIBGLOSS_SPEC;
 static const char *endfile_spec = ENDFILE_SPEC;
 static const char *startfile_spec = STARTFILE_SPEC;
 static const char *linker_name_spec = LINKER_NAME;
@@ -1303,6 +1309,7 @@
   INIT_STATIC_SPEC ("lib",			&lib_spec),
   INIT_STATIC_SPEC ("link_gomp",		&link_gomp_spec),
   INIT_STATIC_SPEC ("libgcc",			&libgcc_spec),
+  INIT_STATIC_SPEC ("libgloss",			&libgloss_spec),
   INIT_STATIC_SPEC ("startfile",		&startfile_spec),
   INIT_STATIC_SPEC ("cross_compile",		&cross_compile),
   INIT_STATIC_SPEC ("version",			&compiler_version),
diff -NBaur gcc-4.9.2/gcc/Makefile.in gcc-4.9.2-arm/gcc/Makefile.in
--- gcc-4.9.2/gcc/Makefile.in	2014-10-16 14:50:42.000000000 +0100
+++ gcc-4.9.2-arm/gcc/Makefile.in	2015-02-14 21:02:09.598220000 +0000
@@ -1046,8 +1046,8 @@
 # things like the go/%.o rule work properly; but we use $(*F) for the
 # file part, as we just want the file part of the stem, not the entire
 # file name.
-COMPILE = $(COMPILE.base) -MT $@ -MMD -MP -MF $(@D)/$(DEPDIR)/$(*F).TPo
-POSTCOMPILE = @mv $(@D)/$(DEPDIR)/$(*F).TPo $(@D)/$(DEPDIR)/$(*F).Po
+COMPILE = $(COMPILE.base)
+POSTCOMPILE =
 else
 COMPILE = source='$<' object='$@' libtool=no \
     DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) $(COMPILE.base)
diff -NBaur gcc-4.9.2/libcpp/Makefile.in gcc-4.9.2-arm/libcpp/Makefile.in
--- gcc-4.9.2/libcpp/Makefile.in	2014-10-30 08:28:58.000000000 +0000
+++ gcc-4.9.2-arm/libcpp/Makefile.in	2015-02-14 19:27:06.606220000 +0000
@@ -208,8 +208,7 @@
 # Note that we put the dependencies into a .Tpo file, then move them
 # into place if the compile succeeds.  We need this because gcc does
 # not atomically write the dependency output file.
-COMPILE = $(COMPILE.base) -o $@ -MT $@ -MMD -MP -MF $(DEPDIR)/$*.Tpo
-POSTCOMPILE = @mv $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+COMPILE = $(COMPILE.base) -o $@
 else
 COMPILE = source='$<' object='$@' libtool=no DEPDIR=$(DEPDIR) $(DEPMODE) \
 	  $(depcomp) $(COMPILE.base)
diff -NBaur gcc-4.9.2/libgcc/config/arm/t-bpabi gcc-4.9.2-arm/libgcc/config/arm/t-bpabi
--- gcc-4.9.2/libgcc/config/arm/t-bpabi	2012-08-17 16:06:06.000000000 +0100
+++ gcc-4.9.2-arm/libgcc/config/arm/t-bpabi	2015-02-14 19:27:06.610220000 +0000
@@ -17,4 +17,4 @@
 # On ARM, specifying -fnon-call-exceptions will needlessly pull in
 # the unwinder in simple programs which use 64-bit division.  Omitting
 # the option is safe.
-LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions
+LIB2_DIVMOD_EXCEPTION_FLAGS := -fno-exceptions
diff -NBaur gcc-4.9.2/libgcc/crtstuff.c gcc-4.9.2-arm/libgcc/crtstuff.c
--- gcc-4.9.2/libgcc/crtstuff.c	2014-03-10 18:31:20.000000000 +0000
+++ gcc-4.9.2-arm/libgcc/crtstuff.c	2015-02-14 19:27:06.610220000 +0000
@@ -47,7 +47,7 @@
 
 /* Target machine header files require this define. */
 #define IN_LIBGCC2
-
+#define USED_FOR_TARGET
 /* FIXME: Including auto-host is incorrect, but until we have
    identified the set of defines that need to go into auto-target.h,
    this will have to do.  */
diff -NBaur gcc-4.9.2/libgcc/Makefile.in gcc-4.9.2-arm/libgcc/Makefile.in
--- gcc-4.9.2/libgcc/Makefile.in	2014-01-08 16:37:08.000000000 +0000
+++ gcc-4.9.2-arm/libgcc/Makefile.in	2015-02-14 19:27:06.610220000 +0000
@@ -816,7 +816,7 @@
 # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
 # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
 
-c_flags := -fexceptions
+c_flags := -fno-exceptions
 
 ifeq ($(enable_shared),yes)