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-rw-r--r--toolchain/gcc/patches/linaro/850-use_shared_libgcc.patch37
1 files changed, 37 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/linaro/850-use_shared_libgcc.patch b/toolchain/gcc/patches/linaro/850-use_shared_libgcc.patch
new file mode 100644
index 0000000..ac05149
--- /dev/null
+++ b/toolchain/gcc/patches/linaro/850-use_shared_libgcc.patch
@@ -0,0 +1,37 @@
+--- a/gcc/config/arm/linux-eabi.h
++++ b/gcc/config/arm/linux-eabi.h
+@@ -72,10 +72,6 @@
+ #undef LINK_SPEC
+ #define LINK_SPEC LINUX_TARGET_LINK_SPEC BE8_LINK_SPEC TARGET_FIX_V4BX_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*} %{version:-v} \
+--- a/gcc/config/linux.h
++++ b/gcc/config/linux.h
+@@ -104,6 +104,10 @@ see the files COPYING3 and COPYING.RUNTI
+ #define USE_LD_AS_NEEDED 1
+ #endif
+
++#ifndef LIBGCC_SPEC
++#define LIBGCC_SPEC "%{static|static-libgcc:-lgcc -lgcc_eh}%{!static:%{!static-libgcc:-lgcc_s}}"
++#endif
++
+ /* Determine which dynamic linker to use depending on whether GLIBC or
+ uClibc is the default C library and whether -muclibc or -mglibc has
+ been passed to change the default. */