From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 1 Mar 2011 05:40:47 +0000 (+0000)
Subject: gcc-linaro: fix the libgcc spec to default to using the shared libgcc
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=commitdiff_plain;h=1546d3bec1b444ae104612e26dd4eff9414ed1ed;ds=sidebyside

gcc-linaro: fix the libgcc spec to default to using the shared libgcc

SVN-Revision: 25801
---

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 0000000000..ac0514916f
--- /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.  */