Based on Bernhards tree.
--- /dev/null
+--- gcc/gcc/config/--- gcc/contrib/regression/objs-gcc.sh
++++ gcc/contrib/regression/objs-gcc.sh
+@@ -105,6 +105,10 @@
+ then
+ make all-gdb all-dejagnu all-ld || exit 1
+ make install-gdb install-dejagnu install-ld || exit 1
++elif [ $H_REAL_TARGET = $H_REAL_HOST -a $H_REAL_TARGET = i686-pc-linux-uclibc ]
++ then
++ make all-gdb all-dejagnu all-ld || exit 1
++ make install-gdb install-dejagnu install-ld || exit 1
+ elif [ $H_REAL_TARGET = $H_REAL_HOST ] ; then
+ make bootstrap || exit 1
+ make install || exit 1
+--- gcc/libjava/classpath/ltconfig
++++ gcc/libjava/classpath/ltconfig
+@@ -603,7 +603,7 @@
+
+ # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
+ case $host_os in
+-linux-gnu*) ;;
++linux-gnu*|linux-uclibc*) ;;
+ linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
+ esac
+
+@@ -1251,7 +1251,7 @@
+ ;;
+
+ # This must be Linux ELF.
+-linux-gnu*)
++linux*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
--- /dev/null
+diff -rdup gcc-4.2.1.oorig/gcc/config.gcc gcc-4.2.1/gcc/config.gcc
+--- gcc-4.2.1.oorig/gcc/config.gcc 2007-10-01 11:52:52.000000000 +0200
++++ gcc-4.2.1/gcc/config.gcc 2007-10-01 13:22:12.000000000 +0200
+@@ -494,6 +494,9 @@ case ${target} in
+ alpha*)
+ tm_file="${cpu_type}/${cpu_type}.h alpha/elf.h alpha/linux.h alpha/linux-elf.h gnu.h ${tm_file}"
+ ;;
++ i[34567]86-*hurd*-*)
++ tm_file="${cpu_type}/${cpu_type}.h i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h i386/gnu.h gnu.h ${tm_file}"
++ ;;
+ i[34567]86-*-*)
+ tm_file="${cpu_type}/${cpu_type}.h i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h linux.h i386/linux.h gnu.h ${tm_file}"
+ ;;
--- /dev/null
+--- gcc-4.0.0/boehm-gc/include/gc.h-orig 2005-04-28 22:28:57.000000000 -0500
++++ gcc-4.0.0/boehm-gc/include/gc.h 2005-04-28 22:30:38.000000000 -0500
+@@ -500,7 +500,7 @@
+ #ifdef __linux__
+ # include <features.h>
+ # if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1 || __GLIBC__ > 2) \
+- && !defined(__ia64__)
++ && !defined(__ia64__) && !defined(__UCLIBC__)
+ # ifndef GC_HAVE_BUILTIN_BACKTRACE
+ # define GC_HAVE_BUILTIN_BACKTRACE
+ # endif
--- /dev/null
+Index: gcc-4.3.0/libstdc++-v3/include/c_global/cstdio
+===================================================================
+--- gcc-4.3.0/libstdc++-v3/include/c_global/cstdio (revision 129202)
++++ gcc-4.3.0/libstdc++-v3/include/c_global/cstdio (working copy)
+@@ -144,7 +144,7 @@
+
+ _GLIBCXX_END_NAMESPACE
+
+-#if _GLIBCXX_USE_C99
++#if _GLIBCXX_USE_C99 || defined __UCLIBC__
+
+ #undef snprintf
+ #undef vfscanf
--- /dev/null
+Index: gcc-4.2/libmudflap/mf-hooks2.c
+===================================================================
+--- gcc-4.2/libmudflap/mf-hooks2.c (revision 119834)
++++ gcc-4.2/libmudflap/mf-hooks2.c (working copy)
+@@ -427,7 +427,7 @@
+ {
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s, n, __MF_CHECK_WRITE, "bzero region");
+- bzero (s, n);
++ memset (s, 0, n);
+ }
+
+
+@@ -437,7 +437,7 @@
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(src, n, __MF_CHECK_READ, "bcopy src");
+ MF_VALIDATE_EXTENT(dest, n, __MF_CHECK_WRITE, "bcopy dest");
+- bcopy (src, dest, n);
++ memmove (dest, src, n);
+ }
+
+
+@@ -447,7 +447,7 @@
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s1, n, __MF_CHECK_READ, "bcmp 1st arg");
+ MF_VALIDATE_EXTENT(s2, n, __MF_CHECK_READ, "bcmp 2nd arg");
+- return bcmp (s1, s2, n);
++ return n == 0 ? 0 : memcmp (s1, s2, n);
+ }
+
+
+@@ -456,7 +456,7 @@
+ size_t n = strlen (s);
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s, CLAMPADD(n, 1), __MF_CHECK_READ, "index region");
+- return index (s, c);
++ return strchr (s, c);
+ }
+
+
+@@ -465,7 +465,7 @@
+ size_t n = strlen (s);
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s, CLAMPADD(n, 1), __MF_CHECK_READ, "rindex region");
+- return rindex (s, c);
++ return strrchr (s, c);
+ }
+
+ /* XXX: stpcpy, memccpy */
--- /dev/null
+Index: gcc-4.3.0/gcc/config/arm/t-linux
+===================================================================
+--- gcc-4.3.0/gcc/config/arm/t-linux (revision 129896)
++++ gcc-4.3.0/gcc/config/arm/t-linux (working copy)
+@@ -3,7 +3,10 @@
+ TARGET_LIBGCC2_CFLAGS = -fomit-frame-pointer -fPIC
+
+ LIB1ASMSRC = arm/lib1funcs.asm
+-LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx
++LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx \
++ _negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi _fixunsdfsi \
++ _truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \
++ _fixsfsi _fixunssfsi _floatdidf _floatundidf _floatdisf _floatundisf
+
+ # MULTILIB_OPTIONS = mhard-float/msoft-float
+ # MULTILIB_DIRNAMES = hard-float soft-float
+Index: gcc-4.3.0/gcc/config/arm/linux-elf.h
+===================================================================
+--- gcc-4.3.0/gcc/config/arm/linux-elf.h (revision 129896)
++++ gcc-4.3.0/gcc/config/arm/linux-elf.h (working copy)
+@@ -48,7 +62,7 @@
+ %{shared:-lc} \
+ %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
+
+-#define LIBGCC_SPEC "%{msoft-float:-lfloat} %{mfloat-abi=soft*:-lfloat} -lgcc"
++#define LIBGCC_SPEC "-lgcc"
+
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+
--- /dev/null
+gcc/ChangeLog
+2007-11-27 Bernhard Fischer <>
+
+ * config/arm/arm-protos.h (arm_vector_mode_supported_p,
+ arm_hard_regno_mode_ok, const_ok_for_arm): Do not hide non-rtx related
+ function prototypes in RTX_CODE.
+ * genopinit.c: Include tm_p.h.
+
+Index: gcc-4.3.0/gcc/config/arm/arm-protos.h
+===================================================================
+--- gcc-4.3.0/gcc/config/arm/arm-protos.h (revision 130463)
++++ gcc-4.3.0/gcc/config/arm/arm-protos.h (working copy)
+@@ -40,15 +40,14 @@
+ unsigned int);
+ extern unsigned int arm_dbx_register_number (unsigned int);
+ extern void arm_output_fn_unwind (FILE *, bool);
+-
+
+ #ifdef TREE_CODE
+ extern int arm_return_in_memory (const_tree);
+ #endif
+-#ifdef RTX_CODE
+ extern bool arm_vector_mode_supported_p (enum machine_mode);
+ extern int arm_hard_regno_mode_ok (unsigned int, enum machine_mode);
+ extern int const_ok_for_arm (HOST_WIDE_INT);
++#ifdef RTX_CODE
+ extern int arm_split_constant (RTX_CODE, enum machine_mode, rtx,
+ HOST_WIDE_INT, rtx, rtx, int);
+ extern RTX_CODE arm_canonicalize_comparison (RTX_CODE, enum machine_mode,
+Index: gcc-4.3.0/gcc/genopinit.c
+===================================================================
+--- gcc-4.3.0/gcc/genopinit.c (revision 130463)
++++ gcc-4.3.0/gcc/genopinit.c (working copy)
+@@ -486,6 +486,7 @@
+ printf ("#include \"expr.h\"\n");
+ printf ("#include \"optabs.h\"\n");
+ printf ("#include \"reload.h\"\n\n");
++ printf ("#include \"tm_p.h\"\n\n");
+
+ printf ("void\ninit_all_optabs (void)\n{\n");
+
--- /dev/null
+see gcc PR34205
+Index: gcc-4.3.0/gcc/tree.h
+===================================================================
+--- gcc-4.3.0/gcc/tree.h (revision 130511)
++++ gcc-4.3.0/gcc/tree.h (working copy)
+@@ -38,6 +38,7 @@
+
+ LAST_AND_UNUSED_TREE_CODE /* A convenient way to get a value for
+ NUM_TREE_CODES. */
++ ,__LAST_AND_UNUSED_TREE_CODE=32767 /* Force 16bit width. */
+ };
+
+ #undef DEFTREECODE
+Index: gcc-4.3.0/gcc/rtl.h
+===================================================================
+--- gcc-4.3.0/gcc/rtl.h (revision 130511)
++++ gcc-4.3.0/gcc/rtl.h (working copy)
+@@ -48,9 +48,11 @@
+ #include "rtl.def" /* rtl expressions are documented here */
+ #undef DEF_RTL_EXPR
+
+- LAST_AND_UNUSED_RTX_CODE}; /* A convenient way to get a value for
++ LAST_AND_UNUSED_RTX_CODE /* A convenient way to get a value for
+ NUM_RTX_CODE.
+ Assumes default enum value assignment. */
++ ,__LAST_AND_UNUSED_RTX_CODE=32767 /* Force 16bit width. */
++};
+
+ #define NUM_RTX_CODE ((int) LAST_AND_UNUSED_RTX_CODE)
+ /* The cast here, saves many elsewhere. */
+Index: gcc-4.3.0/gcc/c-common.h
+===================================================================
+--- gcc-4.3.0/gcc/c-common.h (revision 130511)
++++ gcc-4.3.0/gcc/c-common.h (working copy)
+@@ -125,6 +125,7 @@
+ RID_LAST_AT = RID_AT_IMPLEMENTATION,
+ RID_FIRST_PQ = RID_IN,
+ RID_LAST_PQ = RID_ONEWAY
++ ,__LAST_AND_UNUSED_RID=32767 /* Force 16bit width. */
+ };
+
+ #define OBJC_IS_AT_KEYWORD(rid) \
--- /dev/null
+\\\\
+\\ gcc PR33200
+Index: gcc-4.3.0/gcc/config.gcc
+===================================================================
+--- gcc-4.3.0/gcc/config.gcc (revision 131628)
++++ gcc-4.3.0/gcc/config.gcc (working copy)
+@@ -2302,7 +2305,7 @@ sh-*-symbianelf* | sh[12346l]*-*-symbian
+ if test x${enable_incomplete_targets} = xyes ; then
+ tm_defines="$tm_defines SUPPORT_SH1=1 SUPPORT_SH2E=1 SUPPORT_SH4=1 SUPPORT_SH4_SINGLE=1 SUPPORT_SH2A=1 SUPPORT_SH2A_SINGLE=1 SUPPORT_SH5_32MEDIA=1 SUPPORT_SH5_32MEDIA_NOFPU=1 SUPPORT_SH5_64MEDIA=1 SUPPORT_SH5_64MEDIA_NOFPU=1"
+ fi
+- use_fixproto=yes
++ # XXX: why? use_fixproto=yes
+ ;;
+ sh-*-rtemscoff*)
+ tmake_file="sh/t-sh t-rtems sh/t-rtems"
depends on !BR2_avr32 && !BR2_nios2
bool "gcc 4.2.4"
+ config BR2_GCC_VERSION_4_3_1
+ depends on !BR2_avr32 && !BR2_nios2
+ bool "gcc 4.3.1"
+
# config BR2_GCC_VERSION_4_3
# depends !BR2_avr32 && !BR2_nios2
# select BR2_GCC_IS_SNAP
default "4.2.1" if BR2_GCC_VERSION_4_2_1
default "4.2.3" if BR2_GCC_VERSION_4_2_3
default "4.2.4" if BR2_GCC_VERSION_4_2_4
+ default "4.3.1" if BR2_GCC_VERSION_4_3_1
default "4.3" if BR2_GCC_VERSION_4_3
config BR2_TOOLCHAIN_SYSROOT
touch $@
$(GCC_BUILD_DIR1)/.compiled: $(GCC_BUILD_DIR1)/.configured
+ # gcc >= 4.3.0 have to also build all-target-libgcc
+ifeq ($(BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE),y)
+ $(MAKE) -C $(GCC_BUILD_DIR1) all-gcc all-target-libgcc
+else
$(MAKE) -C $(GCC_BUILD_DIR1) all-gcc
+endif
touch $@
gcc_initial=$(GCC_BUILD_DIR1)/.installed
$(gcc_initial) $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc: $(GCC_BUILD_DIR1)/.compiled
+ # gcc >= 4.3.0 have to also install install-target-libgcc
+ifeq ($(BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE),y)
+ PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) install-gcc install-target-libgcc
+else
PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) install-gcc
+endif
touch $(gcc_initial)
gcc_initial: uclibc-configured binutils $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc