toolchain/gcc/patches/7.2.0/850-use_shared_libgcc.patch

   1 commit dcfc40358b5a3cae7320c17f8d1cebd5ad5540cd
   2 Author: Felix Fietkau <nbd@openwrt.org>
   3 Date:   Sun Feb 12 20:25:47 2012 +0000
   4
   5     gcc 4.6: port over the missing patch 850-use_shared_libgcc.patch to prevent libgcc crap from leaking into every single binary
   6
   7     SVN-Revision: 30486
   8 --- a/gcc/config/arm/linux-eabi.h
   9 +++ b/gcc/config/arm/linux-eabi.h
  10 @@ -126,10 +126,6 @@
  11    "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} "    \
  12    LINUX_OR_ANDROID_LD (GNU_USER_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC)
  13
  14 -/* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
  15 -   do not use -lfloat.  */
  16 -#undef LIBGCC_SPEC
  17 -
  18  /* Clear the instruction cache from `beg' to `end'.  This is
  19     implemented in lib1funcs.S, so ensure an error if this definition
  20     is used.  */
  21 --- a/gcc/config/linux.h
  22 +++ b/gcc/config/linux.h
  23 @@ -53,6 +53,10 @@ see the files COPYING3 and COPYING.RUNTI
  24         builtin_assert ("system=posix");                        \
  25      } while (0)
  26
  27 +#ifndef LIBGCC_SPEC
  28 +#define LIBGCC_SPEC "%{static|static-libgcc:-lgcc}%{!static:%{!static-libgcc:-lgcc_s}}"
  29 +#endif
  30 +
  31  /* Determine which dynamic linker to use depending on whether GLIBC or
  32     uClibc or Bionic or musl is the default C library and whether
  33     -muclibc or -mglibc or -mbionic or -mmusl has been passed to change
  34 --- a/libgcc/mkmap-symver.awk
  35 +++ b/libgcc/mkmap-symver.awk
  36 @@ -136,5 +136,5 @@ function output(lib) {
  37    else if (inherit[lib])
  38      printf("} %s;\n", inherit[lib]);
  39    else
  40 -    printf ("\n  local:\n\t*;\n};\n");
  41 +    printf ("\n\t*;\n};\n");
  42  }
  43 --- a/gcc/config/rs6000/linux.h
  44 +++ b/gcc/config/rs6000/linux.h
  45 @@ -60,6 +60,9 @@
  46  #undef CPP_OS_DEFAULT_SPEC
  47  #define CPP_OS_DEFAULT_SPEC "%(cpp_os_linux)"
  48
  49 +#undef LIBGCC_SPEC
  50 +#define LIBGCC_SPEC "%{!static:%{!static-libgcc:-lgcc_s}} -lgcc"
  51 +
  52  #undef  LINK_SHLIB_SPEC
  53  #define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}"
  54