toolchain/binutils/patches/2.20.1/112-arm-uclibc-gas-needs-libm.patch

   1 Source: Khem Raj <raj.khem@gmail.com>
   2 Disposition: submit upstream.
   3
   4 Description:
   5
   6 We do not need to have the libtool patch anymore for binutils after
   7 libtool has been updated upstream it include support for it. However
   8 for building gas natively on uclibc systems we have to link it with
   9 -lm so that it picks up missing symbols.
  10
  11 /local/build_area/BUILD/arm_v5t_le_uclibc/binutils-2.17.50/objdir/libiberty/pic/libiberty.a(floatformat.o): In function `floatformat_from_double':
  12 floatformat.c:(.text+0x1ec): undefined reference to `frexp'
  13 floatformat.c:(.text+0x2f8): undefined reference to `ldexp'
  14 /local/build_area/BUILD/arm_v5t_le_uclibc/binutils-2.17.50/objdir/libiberty/pic/libiberty.a(floatformat.o): In function `floatformat_to_double':
  15 floatformat.c:(.text+0x38a): undefined reference to `ldexp'
  16 floatformat.c:(.text+0x3d2): undefined reference to `ldexp'
  17 floatformat.c:(.text+0x43e): undefined reference to `ldexp'                     floatformat.c:(.text+0x4e2): undefined reference to `ldexp'
  18 collect2: ld returned 1 exit status
  19 make[4]: *** [as-new] Error 1
  20
  21 --- a/gas/configure.tgt
  22 +++ b/gas/configure.tgt
  23 @@ -431,6 +431,12 @@ case ${generic_target} in
  24    *-*-netware)                         fmt=elf em=netware ;;
  25  esac
  26
  27 +case ${generic_target} in
  28 +  arm-*-*uclibc*)
  29 +    need_libm=yes
  30 +    ;;
  31 +esac
  32 +
  33  case ${cpu_type} in
  34    alpha | arm | i386 | ia64 | microblaze | mips | ns32k | pdp11 | ppc | sparc | z80 | z8k)
  35      bfd_gas=yes