libc/uClibc: Add CUSTOM version and CUSTOM_LOCATION config options and GetCustom
CUSTOM_LOCATION config options only presented in menuconfig if component
CUSTOM version selected.
Signed-off-by: "David Holsgrove" <david.holsgrove@xilinx.com>
[yann.morin.1998@free.fr: fix indentation, don't patch custom dir location]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <712995e3e719fbbe24af.1349931201@localhost.localdomain>
PatchWork-Id: 190794
1 On 20090401, Ted Jordan writes:
2 The generated libtool for building libstdc++ adds the -nostdlib option to the
3 g++ command for linking but doesn't add -lgcc. This causes a "hidden symbol"
4 error when linking against the libstdc++ shared object. This patch adds gcc
5 to the list of libraries linked against when linking libstdc++.
7 Index: gcc-4.2.1/ltcf-cxx.sh
8 ===================================================================
9 --- gcc-4.2.1.orig/ltcf-cxx.sh 2005-07-15 21:30:53.000000000 -0500
10 +++ gcc-4.2.1/ltcf-cxx.sh 2009-04-02 09:30:34.000000000 -0500
14 if test "$with_gnu_ld" = yes; then
15 - archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
16 - archive_expsym_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
17 + archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -lgcc ${wl}-soname $wl$soname -o $lib'
18 + archive_expsym_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -lgcc ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
20 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
21 export_dynamic_flag_spec='${wl}--export-dynamic'