Root/toolchain/gcc/patches/4.5-linaro/850-use_shared_libgcc.patch

1--- a/gcc/config/arm/linux-eabi.h
2+++ b/gcc/config/arm/linux-eabi.h
3@@ -95,10 +95,6 @@
4 #define ENDFILE_SPEC \
5   LINUX_OR_ANDROID_LD (LINUX_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC)
6 
7-/* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
8- do not use -lfloat. */
9-#undef LIBGCC_SPEC
10-
11 /* Clear the instruction cache from `beg' to `end'. This is
12    implemented in lib1funcs.asm, so ensure an error if this definition
13    is used. */
14--- a/gcc/config/arm/linux-elf.h
15+++ b/gcc/config/arm/linux-elf.h
16@@ -60,8 +60,6 @@
17    %{shared:-lc} \
18    %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
19 
20-#define LIBGCC_SPEC "-lgcc"
21-
22 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
23 
24 #define LINUX_TARGET_LINK_SPEC "%{h*} %{version:-v} \
25--- a/gcc/config/linux.h
26+++ b/gcc/config/linux.h
27@@ -116,6 +116,10 @@ see the files COPYING3 and COPYING.RUNTI
28 #define USE_LD_AS_NEEDED 1
29 #endif
30 
31+#ifndef LIBGCC_SPEC
32+#define LIBGCC_SPEC "%{static|static-libgcc:-lgcc}%{!static:%{!static-libgcc:-lgcc_s}}"
33+#endif
34+
35 /* Determine which dynamic linker to use depending on whether GLIBC or
36    uClibc or Bionic is the default C library and whether
37    -muclibc or -mglibc or -mbionic has been passed to change the default. */
38--- a/gcc/mkmap-symver.awk
39+++ b/gcc/mkmap-symver.awk
40@@ -132,5 +132,5 @@ function output(lib) {
41   else if (inherit[lib])
42     printf("} %s;\n", inherit[lib]);
43   else
44- printf ("\n local:\n\t*;\n};\n");
45+ printf ("\n\t*;\n};\n");
46 }
47--- a/libgcc/Makefile.in
48+++ b/libgcc/Makefile.in
49@@ -265,7 +265,7 @@ ifeq ($(enable_shared),yes)
50 # For -fvisibility=hidden. We need both a -fvisibility=hidden on
51 # the command line, and a #define to prevent libgcc2.h etc from
52 # overriding that with #pragmas.
53-vis_hide = @vis_hide@
54+vis_hide =
55 
56 ifneq (,$(vis_hide))
57 
58--- a/gcc/config/rs6000/linux.h
59+++ b/gcc/config/rs6000/linux.h
60@@ -85,6 +85,8 @@
61 #define USE_LD_AS_NEEDED 1
62 #endif
63 
64+#define LIBGCC_SPEC "%{!static:%{!static-libgcc:-lgcc_s}} -lgcc"
65+
66 #undef TARGET_VERSION
67 #define TARGET_VERSION fprintf (stderr, " (PowerPC GNU/Linux)");
68 
69

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