toolchain/gcc/patches/5.4.0/850-use_shared_libgcc.patch

   1 --- a/gcc/config/arm/linux-eabi.h
   2 +++ b/gcc/config/arm/linux-eabi.h
   3 @@ -131,10 +131,6 @@
   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 @@ -53,6 +53,10 @@ 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 or musl is the default C library and whether
  26     -muclibc or -mglibc or -mbionic or -mmusl has been passed to change
  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/gcc/config/rs6000/linux.h
  37 +++ b/gcc/config/rs6000/linux.h
  38 @@ -60,6 +60,9 @@
  39  #undef CPP_OS_DEFAULT_SPEC
  40  #define CPP_OS_DEFAULT_SPEC "%(cpp_os_linux)"
  41
  42 +#undef LIBGCC_SPEC
  43 +#define LIBGCC_SPEC "%{!static:%{!static-libgcc:-lgcc_s}} -lgcc"
  44 +
  45  #undef  LINK_SHLIB_SPEC
  46  #define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}"
  47