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gcc 4.6: port over the missing patch 850-use_shared_libgcc.patch to prevent libgcc crap from leaking into every single binary

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30486 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2012-02-12 20:25:47 +00:00
parent 4cf5dc60f9
commit 9bc4638399
1 changed files with 68 additions and 0 deletions
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68
toolchain/gcc/patches/4.6-linaro/850-use_shared_libgcc.patch Normal file
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@ -0,0 +1,68 @@
--- a/gcc/config/arm/linux-eabi.h
+++ b/gcc/config/arm/linux-eabi.h
@@ -96,10 +96,6 @@
#define ENDFILE_SPEC \
LINUX_OR_ANDROID_LD (GNU_USER_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC)
-/* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
- do not use -lfloat. */
-#undef LIBGCC_SPEC
-
/* Clear the instruction cache from `beg' to `end'. This is
implemented in lib1funcs.asm, so ensure an error if this definition
is used. */
--- a/gcc/config/arm/linux-elf.h
+++ b/gcc/config/arm/linux-elf.h
@@ -60,8 +60,6 @@
%{shared:-lc} \
%{!shared:%{profile:-lc_p}%{!profile:-lc}}"
-#define LIBGCC_SPEC "-lgcc"
-
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
#define LINUX_TARGET_LINK_SPEC "%{h*} \
--- a/gcc/config/linux.h
+++ b/gcc/config/linux.h
@@ -50,6 +50,10 @@ see the files COPYING3 and COPYING.RUNTI
builtin_assert ("system=posix"); \
} while (0)
+#ifndef LIBGCC_SPEC
+#define LIBGCC_SPEC "%{static|static-libgcc:-lgcc}%{!static:%{!static-libgcc:-lgcc_s}}"
+#endif
+
/* Determine which dynamic linker to use depending on whether GLIBC or
uClibc or Bionic is the default C library and whether
-muclibc or -mglibc or -mbionic has been passed to change the default. */
--- a/gcc/config/rs6000/linux.h
+++ b/gcc/config/rs6000/linux.h
@@ -88,6 +88,8 @@
#define USE_LD_AS_NEEDED 1
#endif
+#define LIBGCC_SPEC "%{!static:%{!static-libgcc:-lgcc_s}} -lgcc"
+
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (PowerPC GNU/Linux)");
--- a/gcc/mkmap-symver.awk
+++ b/gcc/mkmap-symver.awk
@@ -132,5 +132,5 @@ function output(lib) {
else if (inherit[lib])
printf("} %s;\n", inherit[lib]);
else
- printf ("\n local:\n\t*;\n};\n");
+ printf ("\n\t*;\n};\n");
}
--- a/libgcc/Makefile.in
+++ b/libgcc/Makefile.in
@@ -272,7 +272,7 @@ ifeq ($(enable_shared),yes)
# For -fvisibility=hidden. We need both a -fvisibility=hidden on
# the command line, and a #define to prevent libgcc2.h etc from
# overriding that with #pragmas.
-vis_hide = @vis_hide@
+vis_hide =
ifneq (,$(vis_hide))