toolchain/gcc/patches/4.8.0/850-use_shared_libgcc.patch

   1 --- a/gcc/config/arm/linux-eabi.h
   2 +++ b/gcc/config/arm/linux-eabi.h
   3 @@ -114,10 +114,6 @@
   4  #define ENDFILE_SPEC \
   5    LINUX_OR_ANDROID_LD (GNU_USER_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.S, so ensure an error if this definition
  13     is used.  */
  14 --- a/gcc/config/linux.h
  15 +++ b/gcc/config/linux.h
  16 @@ -51,6 +51,10 @@ see the files COPYING3 and COPYING.RUNTI
  17         builtin_assert ("system=posix");                        \
  18      } while (0)
  19
  20 +#ifndef LIBGCC_SPEC
  21 +#define LIBGCC_SPEC "%{static|static-libgcc:-lgcc}%{!static:%{!static-libgcc:-lgcc_s}}"
  22 +#endif
  23 +
  24  /* Determine which dynamic linker to use depending on whether GLIBC or
  25     uClibc or Bionic is the default C library and whether
  26     -muclibc or -mglibc or -mbionic has been passed to change the default.  */
  27 --- a/libgcc/mkmap-symver.awk
  28 +++ b/libgcc/mkmap-symver.awk
  29 @@ -132,5 +132,5 @@ function output(lib) {
  30    else if (inherit[lib])
  31      printf("} %s;\n", inherit[lib]);
  32    else
  33 -    printf ("\n  local:\n\t*;\n};\n");
  34 +    printf ("\n\t*;\n};\n");
  35  }
  36 --- a/libgcc/Makefile.in
  37 +++ b/libgcc/Makefile.in
  38 @@ -368,7 +368,7 @@ endif
  39  # For -fvisibility=hidden.  We need both a -fvisibility=hidden on
  40  # the command line, and a #define to prevent libgcc2.h etc from
  41  # overriding that with #pragmas.
  42 -vis_hide = @vis_hide@
  43 +vis_hide =
  44
  45  ifneq (,$(vis_hide))
  46
  47 --- a/gcc/config/rs6000/linux.h
  48 +++ b/gcc/config/rs6000/linux.h
  49 @@ -61,6 +61,9 @@
  50  #undef  CPLUSPLUS_CPP_SPEC
  51  #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
  52
  53 +#undef LIBGCC_SPEC
  54 +#define LIBGCC_SPEC "%{!static:%{!static-libgcc:-lgcc_s}} -lgcc"
  55 +
  56  #undef  LINK_SHLIB_SPEC
  57  #define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}"
  58