[Bug lto/47225] [4.6 regression]: cross-compile fails while configuring libgcc with "xgcc: fatal error: -fuse-linker-plugin, but liblto_plugin.so not found"

["ktietz at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47225

--- Comment #29 from Kai Tietz <ktietz at gcc dot gnu.org> 2011-02-07 20:53:32 UTC ---
(In reply to comment #28)
> (In reply to comment #26)
> > (In reply to comment #23)
> 
> > Could you please test attached patch at
> > http://gcc.gnu.org/ml/gcc-patches/2011-02/msg00469.html that it works for you?
> 
> I guess the bug I'm seeing must be different;
> ...  applied the patch and still get:
> 
> checking for suffix of object files... configure: error: in
> `/GCC/cross-trees/cris-elf/cris-elf/libgcc':
> configure: error: cannot compute suffix of object files: cannot compile
> See `config.log' for more details.
> make[1]: *** [configure-target-libgcc] Error 1
> make: *** [all] Error 2
> 
> apollo:cris-elf $ ls gcc/liblto_plugin.*
> gcc/liblto_plugin.0.dylib       gcc/liblto_plugin.dylib        
> gcc/liblto_plugin.la
> 
> apollo:cris-elf $ ./gcc/xgcc -Bgcc ../../tests/trivial-0.c -S
> xgcc: fatal error: -fuse-linker-plugin, but liblto_plugin.so not found
> compilation terminated.
> 
> after sym-linking gcc/liblto_plugin.dylib to gcc/liblto_plugin.so the compile
> runs fine and the build completes.

Well, maybe check if target defines LTOPLUGINSONAME correct.