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patches/gcc/4.2.1/300-libstdc++-nostdlib-linking.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Sun May 05 00:01:05 2013 +0200 (2013-05-05)
changeset 3218 3709e61ad85b
permissions -rw-r--r--
complibs/cloog: add support for the ISL backend

CLooG 0.18+ will use ISL instead of PPL, so we have to configure
adequately depending of which backend is in use.

The Kconfig entries will decide for us which is selected, so we
can rely on either PPL xor ISL to be selected, not both.

Reported-by: "Plotnikov Dmitry" <leitz@ispras.ru>
[Dmitry did a preliminray patch to add ISL support,
which this patch is inspired from]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> 
     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++.

     6 

     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

    11 @@ -78,8 +78,8 @@

    12    # to be the same.

    13  

    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'

    19  

    20      hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'

    21      export_dynamic_flag_spec='${wl}--export-dynamic'
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