toolchain/binutils: building gas for arm-*-uclibc systems requires linking with -lm
[openwrt/svn-archive/archive.git] / toolchain / binutils / patches / 2.20 / 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 Index: binutils-2.17.50/gas/configure.tgt
22 ===================================================================
23 --- binutils-2.17.50.orig/gas/configure.tgt
24 +++ binutils-2.17.50/gas/configure.tgt
25 @@ -431,6 +431,12 @@ case ${generic_target} in
26 *-*-netware) fmt=elf em=netware ;;
27 esac
28
29 +case ${generic_target} in
30 + arm-*-*uclibc*)
31 + need_libm=yes
32 + ;;
33 +esac
34 +
35 case ${cpu_type} in
36 alpha | arm | i386 | ia64 | microblaze | mips | ns32k | pdp11 | ppc | sparc | z80 | z8k)
37 bfd_gas=yes
38