path: root/packages/gcc/gcc-4.0.2/100-uclibc-conf.patch

From:
http://buildroot.uclibc.org/cgi-bin/viewcvs.cgi/*checkout*/trunk/buildroot/toolchain/gcc/4.0.2/100-uclibc-conf.patch?rev=13898

--- gcc-4.0.2/gcc/config/t-linux-uclibc
+++ gcc-4.0.2/gcc/config/t-linux-uclibc
@@ -0,0 +1,5 @@
+# Remove glibc specific files added in t-linux
+SHLIB_MAPFILES := $(filter-out $(srcdir)/config/libgcc-glibc.ver, $(SHLIB_MAPFILES))
+
+# Use unwind-dw2-fde instead of unwind-dw2-fde-glibc
+LIB2ADDEH := $(subst unwind-dw2-fde-glibc.c,unwind-dw2-fde.c,$(LIB2ADDEH))
--- gcc-4.0.2/gcc/config.gcc
+++ gcc-4.0.2/gcc/config.gcc
@@ -1778,7 +1778,7 @@
 	;;
 sh-*-elf* | sh[12346l]*-*-elf* | sh*-*-kaos* | \
 sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | \
-  sh-*-linux* | sh[346lbe]*-*-linux* | \
+  sh*-*-linux* | sh[346lbe]*-*-linux* | \
   sh-*-netbsdelf* | shl*-*-netbsdelf* | sh5-*-netbsd* | sh5l*-*-netbsd* | \
    sh64-*-netbsd* | sh64l*-*-netbsd*)
 	tmake_file="${tmake_file} sh/t-sh sh/t-elf"
@@ -2234,10 +2234,16 @@
 *)
 	echo "*** Configuration ${target} not supported" 1>&2
 	exit 1
 	;;
 esac
+
+# Rather than hook into each target, just do it after all the linux
+# targets have been processed
+case ${target} in
+*-linux-uclibc*) tm_defines="${tm_defines} USE_UCLIBC" ; tmake_file="${tmake_file} t-linux-uclibc"
+esac
 
 case ${target} in
 i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1)
 	tmake_file="${tmake_file} i386/t-gmm_malloc"
 	;;
--- gcc-4.0.2/gcc/config/alpha/linux-elf.h
+++ gcc-4.0.2/gcc/config/alpha/linux-elf.h
@@ -27,7 +27,11 @@
 #define SUBTARGET_EXTRA_SPECS \
 { "elf_dynamic_linker", ELF_DYNAMIC_LINKER },
 
+#ifdef USE_UCLIBC
+#define ELF_DYNAMIC_LINKER	"/lib/ld-uClibc.so.0"
+#else
 #define ELF_DYNAMIC_LINKER	"/lib/ld-linux.so.2"
+#endif
 
 #define LINK_SPEC "-m elf64alpha %{G*} %{relax:-relax}		\
   %{O*:-O3} %{!O*:-O1}						\
--- gcc-4.0.2/gcc/config/arm/linux-elf.h
+++ gcc-4.0.2/gcc/config/arm/linux-elf.h
@@ -81,14 +81,19 @@
 #define ENDFILE_SPEC \
   "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
 
+#ifdef USE_UCLIBC
+#define ELF_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#else
+#define ELF_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+#endif
 #undef  LINK_SPEC
 #define LINK_SPEC "%{h*} %{version:-v} \
    %{b} %{Wl,*:%*} \
    %{static:-Bstatic} \
    %{shared:-shared} \
    %{symbolic:-Bsymbolic} \
    %{rdynamic:-export-dynamic} \
-   %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2} \
+   %{!dynamic-linker:-dynamic-linker " ELF_DYNAMIC_LINKER "} \
    -X \
    %{mbig-endian:-EB}" \
    SUBTARGET_EXTRA_LINK_SPEC
--- gcc-4.0.2/gcc/config/cris/linux.h
+++ gcc-4.0.2/gcc/config/cris/linux.h
@@ -79,6 +79,25 @@
 #undef CRIS_DEFAULT_CPU_VERSION
 #define CRIS_DEFAULT_CPU_VERSION CRIS_CPU_NG
 
+#ifdef USE_UCLIBC
+
+#undef CRIS_SUBTARGET_VERSION
+#define CRIS_SUBTARGET_VERSION " - cris-axis-linux-uclibc"
+
+#undef CRIS_LINK_SUBTARGET_SPEC
+#define CRIS_LINK_SUBTARGET_SPEC \
+ "-mcrislinux\
+  -rpath-link include/asm/../..%s\
+  %{shared} %{static}\
+  %{symbolic:-Bdynamic} %{shlib:-Bdynamic} %{static:-Bstatic}\
+  %{!shared: \
+    %{!static: \
+      %{rdynamic:-export-dynamic} \
+      %{!dynamic-linker:-dynamic-linker /lib/ld-uClibc.so.0}}} \
+  %{!r:%{O2|O3: --gc-sections}}"
+
+#else  /* USE_UCLIBC */
+
 #undef CRIS_SUBTARGET_VERSION
 #define CRIS_SUBTARGET_VERSION " - cris-axis-linux-gnu"
 
@@ -93,6 +112,8 @@
   %{!shared:%{!static:%{rdynamic:-export-dynamic}}}\
   %{!r:%{O2|O3: --gc-sections}}"
 
+#endif  /* USE_UCLIBC */
+
 
 /* Node: Run-time Target */
 
--- gcc-4.0.2/gcc/config/i386/linux.h
+++ gcc-4.0.2/gcc/config/i386/linux.h
@@ -107,6 +107,11 @@
 #define LINK_EMULATION "elf_i386"
 #define DYNAMIC_LINKER "/lib/ld-linux.so.2"
 
+#ifdef USE_UCLIBC
+#undef DYNAMIC_LINKER
+#define DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#endif
+
 #undef  SUBTARGET_EXTRA_SPECS
 #define SUBTARGET_EXTRA_SPECS \
   { "link_emulation", LINK_EMULATION },\
--- gcc-4.0.2/gcc/config/i386/linux64.h
+++ gcc-4.0.2/gcc/config/i386/linux64.h
@@ -54,14 +54,21 @@
    When the -shared link option is used a final link is not being
    done.  */
 
+#ifdef USE_UCLIBC
+#define ELF32_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#define ELF64_DYNAMIC_LINKER "/lib/ld64-uClibc.so.0"
+#else
+#define ELF32_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+#define ELF64_DYNAMIC_LINKER "/lib64/ld-linux-x86-64.so.2"
+#endif
 #undef	LINK_SPEC
 #define LINK_SPEC "%{!m32:-m elf_x86_64} %{m32:-m elf_i386} \
   %{shared:-shared} \
   %{!shared: \
     %{!static: \
       %{rdynamic:-export-dynamic} \
-      %{m32:%{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
-      %{!m32:%{!dynamic-linker:-dynamic-linker /lib64/ld-linux-x86-64.so.2}}} \
+      %{m32:%{!dynamic-linker:-dynamic-linker " ELF32_DYNAMIC_LINKER "}} \
+      %{!m32:%{!dynamic-linker:-dynamic-linker " ELF64_DYNAMIC_LINKER "}}} \
     %{static:-static}}"
 
 #define MULTILIB_DEFAULTS { "m64" }
--- gcc-4.0.2/gcc/config/ia64/linux.h
+++ gcc-4.0.2/gcc/config/ia64/linux.h
@@ -37,13 +37,18 @@
 /* Define this for shared library support because it isn't in the main
    linux.h file.  */
 
+#ifdef USE_UCLIBC
+#define ELF_DYNAMIC_LINKER	"/lib/ld-uClibc.so.0"
+#else
+#define ELF_DYNAMIC_LINKER "/lib/ld-linux-ia64.so.2"
+#endif
 #undef LINK_SPEC
 #define LINK_SPEC "\
   %{shared:-shared} \
   %{!shared: \
     %{!static: \
       %{rdynamic:-export-dynamic} \
-      %{!dynamic-linker:-dynamic-linker /lib/ld-linux-ia64.so.2}} \
+      %{!dynamic-linker:-dynamic-linker " ELF_DYNAMIC_LINKER "}} \
       %{static:-static}}"
 
 
--- gcc-4.0.2/gcc/config/m68k/linux.h
+++ gcc-4.0.2/gcc/config/m68k/linux.h
@@ -127,12 +127,17 @@
 
 /* If ELF is the default format, we should not use /lib/elf.  */
 
+#ifdef USE_UCLIBC
+#define ELF_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#else
+#define ELF_DYNAMIC_LINKER "/lib/ld.so.1"
+#endif
 #undef	LINK_SPEC
 #define LINK_SPEC "-m m68kelf %{shared} \
   %{!shared: \
     %{!static: \
       %{rdynamic:-export-dynamic} \
-      %{!dynamic-linker*:-dynamic-linker /lib/ld.so.1}} \
+      %{!dynamic-linker*:-dynamic-linker " ELF_DYNAMIC_LINKER "}} \
     %{static}}"
 
 /* For compatibility with linux/a.out */
--- gcc-4.0.2/gcc/config/mips/linux.h
+++ gcc-4.0.2/gcc/config/mips/linux.h
@@ -108,14 +108,19 @@
 
 /* Borrowed from sparc/linux.h */
 #undef LINK_SPEC
+#ifdef USE_UCLIBC
+#define ELF_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#else
+#define ELF_DYNAMIC_LINKER "/lib/ld.so.1"
+#endif
 #define LINK_SPEC \
  "%(endian_spec) \
   %{shared:-shared} \
   %{!shared: \
     %{!ibcs: \
       %{!static: \
         %{rdynamic:-export-dynamic} \
-        %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \
+        %{!dynamic-linker:-dynamic-linker " ELF_DYNAMIC_LINKER "}} \
         %{static:-static}}}"
 
 #undef SUBTARGET_ASM_SPEC
--- gcc-4.0.2/gcc/config/pa/pa-linux.h
+++ gcc-4.0.2/gcc/config/pa/pa-linux.h
@@ -82,13 +82,18 @@
 /* Define this for shared library support because it isn't in the main
    linux.h file.  */
 
+#ifdef USE_UCLIBC
+#define ELF_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#else
+#define ELF_DYNAMIC_LINKER "/lib/ld.so.1"
+#endif
 #undef LINK_SPEC
 #define LINK_SPEC "\
   %{shared:-shared} \
   %{!shared: \
     %{!static: \
       %{rdynamic:-export-dynamic} \
-      %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \
+      %{!dynamic-linker:-dynamic-linker " ELF_DYNAMIC_LINKER "}} \
       %{static:-static}}"
 
 /* glibc's profiling functions don't need gcc to allocate counters.  */
--- gcc-4.0.2/gcc/config/rs6000/linux.h
+++ gcc-4.0.2/gcc/config/rs6000/linux.h
@@ -69,7 +69,11 @@
 #define LINK_START_DEFAULT_SPEC "%(link_start_linux)"
 
 #undef	LINK_OS_DEFAULT_SPEC
+#ifdef USE_UCLIBC
+#define LINK_OS_DEFAULT_SPEC "%(link_os_linux_uclibc)"
+#else
 #define LINK_OS_DEFAULT_SPEC "%(link_os_linux)"
+#endif
 
 #define LINK_GCC_C_SEQUENCE_SPEC \
   "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
--- gcc-4.0.2/gcc/config/rs6000/sysv4.h
+++ gcc-4.0.2/gcc/config/rs6000/sysv4.h
@@ -949,6 +949,7 @@
   mcall-linux  : %(link_os_linux)       ; \
   mcall-gnu    : %(link_os_gnu)         ; \
   mcall-netbsd : %(link_os_netbsd)      ; \
+  mcall-linux-uclibc : %(link_os_linux_uclibc); \
   mcall-openbsd: %(link_os_openbsd)     ; \
                : %(link_os_default)     }"
 
@@ -1127,6 +1128,10 @@
   %{rdynamic:-export-dynamic} \
   %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}"
 
+#define LINK_OS_LINUX_UCLIBC_SPEC "-m elf32ppclinux %{!shared: %{!static: \
+  %{rdynamic:-export-dynamic} \
+  %{!dynamic-linker:-dynamic-linker /lib/ld-uClibc.so.0}}}"
+
 #if defined(HAVE_LD_EH_FRAME_HDR)
 # define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
 #endif
@@ -1293,6 +1298,7 @@
   { "link_os_sim",		LINK_OS_SIM_SPEC },			\
   { "link_os_freebsd",		LINK_OS_FREEBSD_SPEC },			\
   { "link_os_linux",		LINK_OS_LINUX_SPEC },			\
+  { "link_os_linux_uclibc",	LINK_OS_LINUX_UCLIBC_SPEC },		\
   { "link_os_gnu",		LINK_OS_GNU_SPEC },			\
   { "link_os_netbsd",		LINK_OS_NETBSD_SPEC },			\
   { "link_os_openbsd",		LINK_OS_OPENBSD_SPEC },			\
--- gcc-4.0.2/gcc/config/s390/linux.h
+++ gcc-4.0.2/gcc/config/s390/linux.h
@@ -77,6 +77,13 @@
 #define MULTILIB_DEFAULTS { "m31" }
 #endif
 
+#ifdef USE_UCLIBC
+#define ELF31_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#define ELF64_DYNAMIC_LINKER "/lib/ld64-uClibc.so.0"
+#else
+#define ELF31_DYNAMIC_LINKER "/lib/ld.so.1"
+#define ELF64_DYNAMIC_LINKER "/lib/ld64.so.1"
+#endif
 #undef  LINK_SPEC
 #define LINK_SPEC \
   "%{m31:-m elf_s390}%{m64:-m elf64_s390} \
@@ -86,8 +93,8 @@
       %{!static: \
 	%{rdynamic:-export-dynamic} \
 	%{!dynamic-linker: \
-          %{m31:-dynamic-linker /lib/ld.so.1} \
-          %{m64:-dynamic-linker /lib/ld64.so.1}}}}"
+          %{m31:-dynamic-linker " ELF31_DYNAMIC_LINKER "} \
+          %{m64:-dynamic-linker " ELF64_DYNAMIC_LINKER "}}}}"
 
 
 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
--- gcc-4.0.2/gcc/config/sh/linux.h
+++ gcc-4.0.2/gcc/config/sh/linux.h
@@ -67,11 +67,16 @@
 #undef SUBTARGET_LINK_EMUL_SUFFIX
 #define SUBTARGET_LINK_EMUL_SUFFIX "_linux"
 #undef SUBTARGET_LINK_SPEC
+#ifdef USE_UCLIBC
+#define ELF_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#else
+#define ELF_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+#endif
 #define SUBTARGET_LINK_SPEC \
   "%{shared:-shared} \
    %{!static: \
      %{rdynamic:-export-dynamic} \
-     %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
+     %{!dynamic-linker:-dynamic-linker " ELF_DYNAMIC_LINKER "}} \
    %{static:-static}"
 
 #undef LIB_SPEC
--- gcc-4.0.2/gcc/config/sparc/linux.h
+++ gcc-4.0.2/gcc/config/sparc/linux.h
@@ -130,14 +130,19 @@
 
 /* If ELF is the default format, we should not use /lib/elf.  */
 
+#ifdef USE_UCLIBC
+#define ELF_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#else
+#define ELF_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+#endif
 #undef  LINK_SPEC
 #define LINK_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
   %{!mno-relax:%{!r:-relax}} \
   %{!shared: \
     %{!ibcs: \
       %{!static: \
         %{rdynamic:-export-dynamic} \
-        %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
+        %{!dynamic-linker:-dynamic-linker " ELF_DYNAMIC_LINKER "}} \
         %{static:-static}}}"
 
 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
--- gcc-4.0.2/gcc/config/sparc/linux64.h
+++ gcc-4.0.2/gcc/config/sparc/linux64.h
@@ -167,12 +166,17 @@
   { "link_arch_default", LINK_ARCH_DEFAULT_SPEC },	  \
   { "link_arch",	 LINK_ARCH_SPEC },
     
+#ifdef USE_UCLIBC
+#define ELF_DYNAMIC_LINKER	"/lib/ld-uClibc.so.0"
+#else
+#define ELF_DYNAMIC_LINKER  "/lib/ld-linux.so.2"
+#endif
 #define LINK_ARCH32_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
   %{!shared: \
     %{!ibcs: \
       %{!static: \
         %{rdynamic:-export-dynamic} \
-        %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
+        %{!dynamic-linker:-dynamic-linker " ELF_DYNAMIC_LINKER "}} \
         %{static:-static}}} \
 "
 
--- gcc-4.0.2/libtool.m4
+++ gcc-4.0.2/libtool.m4
@@ -682,6 +682,11 @@
   lt_cv_deplibs_check_method=pass_all
   ;;
 
+linux-uclibc*)
+  lt_cv_deplibs_check_method=pass_all
+  lt_cv_file_magic_test_file=`echo /lib/libuClibc-*.so`
+  ;;
+
 netbsd* | knetbsd*-gnu)
   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
     [lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$']
--- gcc-4.0.2/ltconfig
+++ gcc-4.0.2/ltconfig
@@ -603,6 +603,7 @@
 
 # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
 case $host_os in
+linux-uclibc*) ;;
 linux-gnu*) ;;
 linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
 esac
@@ -1274,6 +1275,23 @@
   dynamic_linker='GNU/Linux ld.so'
   ;;
 
+linux-uclibc*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
+  soname_spec='${libname}${release}.so$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+  # Assume using the uClibc dynamic linker.
+  dynamic_linker="uClibc ld.so"
+  ;;
+
 netbsd*)
   need_lib_prefix=no
   need_version=no
--- gcc-4.0.2/libffi/configure
+++ gcc-4.0.2/libffi/configure
@@ -3457,6 +3457,11 @@
   lt_cv_deplibs_check_method=pass_all
   ;;
 
+linux-uclibc*)
+  lt_cv_deplibs_check_method=pass_all
+  lt_cv_file_magic_test_file=`echo /lib/libuClibc-*.so`
+  ;;
+
 netbsd* | knetbsd*-gnu)
   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
     lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$'
--- gcc-4.0.2/libgfortran/configure
+++ gcc-4.0.2/libgfortran/configure
@@ -3681,6 +3681,11 @@
   lt_cv_deplibs_check_method=pass_all
   ;;
 
+linux-uclibc*)
+  lt_cv_deplibs_check_method=pass_all
+  lt_cv_file_magic_test_file=`echo /lib/libuClibc-*.so`
+  ;;
+
 netbsd* | knetbsd*-gnu)
   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
     lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$'
--- gcc-4.0.2/libjava/configure
+++ gcc-4.0.2/libjava/configure
@@ -4351,6 +4351,11 @@
   lt_cv_deplibs_check_method=pass_all
   ;;
 
+linux-uclibc*)
+  lt_cv_deplibs_check_method=pass_all
+  lt_cv_file_magic_test_file=`echo /lib/libuClibc-*.so`
+  ;;
+
 netbsd* | knetbsd*-gnu)
   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
     lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$'
--- gcc-4.0.2/libmudflap/configure
+++ gcc-4.0.2/libmudflap/configure
@@ -5380,6 +5380,11 @@
   lt_cv_deplibs_check_method=pass_all
   ;;
 
+linux-uclibc*)
+  lt_cv_deplibs_check_method=pass_all
+  lt_cv_file_magic_test_file=`echo /lib/libuClibc-*.so`
+  ;;
+
 netbsd* | knetbsd*-gnu)
   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
     lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$'
--- gcc-4.0.2/libobjc/configure
+++ gcc-4.0.2/libobjc/configure
@@ -3283,6 +3283,11 @@
   lt_cv_deplibs_check_method=pass_all
   ;;
 
+linux-uclibc*)
+  lt_cv_deplibs_check_method=pass_all
+  lt_cv_file_magic_test_file=`echo /lib/libuClibc-*.so`
+  ;;
+
 netbsd* | knetbsd*-gnu)
   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
     lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$'
--- gcc-4.0.2/boehm-gc/configure
+++ gcc-4.0.2/boehm-gc/configure
@@ -4320,6 +4320,11 @@
   lt_cv_deplibs_check_method=pass_all
   ;;
 
+linux-uclibc*)
+  lt_cv_deplibs_check_method=pass_all
+  lt_cv_file_magic_test_file=`echo /lib/libuClibc-*.so`
+  ;;
+
 netbsd* | knetbsd*-gnu)
   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
     lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$'
--- gcc-4.0.2/configure
+++ gcc-4.0.2/configure
@@ -1141,7 +1141,7 @@
     ;;
 "")
     case "${target}" in
-    *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
+    *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu | *-*-linux-uclibc*)
         # Enable libmudflap by default in GNU and friends.
 	;;
     *-*-freebsd*)
--- gcc-4.0.2/configure.in
+++ gcc-4.0.2/configure.in
@@ -350,7 +350,7 @@
     ;;
 "")
     case "${target}" in
-    *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
+    *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu | *-*-linux-uclibc*)
         # Enable libmudflap by default in GNU and friends.
 	;;
     *-*-freebsd*)
--- gcc-4.0.2/contrib/regression/objs-gcc.sh
+++ gcc-4.0.2/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-4.0.2/zlib/configure
+++ gcc-4.0.2/zlib/configure
@@ -3426,6 +3426,11 @@
   lt_cv_deplibs_check_method=pass_all
   ;;
 
+linux-uclibc*)
+  lt_cv_deplibs_check_method=pass_all
+  lt_cv_file_magic_test_file=`echo /lib/libuClibc-*.so`
+  ;;
+
 netbsd* | knetbsd*-gnu)
   if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
     lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$'