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-rw-r--r--toolchain/gcc/patches/4.6-linaro/850-use_shared_libgcc.patch68
1 files changed, 68 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/4.6-linaro/850-use_shared_libgcc.patch b/toolchain/gcc/patches/4.6-linaro/850-use_shared_libgcc.patch
new file mode 100644
index 0000000000..a197bed7a2
--- /dev/null
+++ b/toolchain/gcc/patches/4.6-linaro/850-use_shared_libgcc.patch
@@ -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))
+