[Bug lto/47225] [4.6.0 regression]: cross-compile fails while configuring libgcc with "xgcc: fatal error: -fuse-linker-plugin, but liblto_plugin.so not found"

[hubicka at ucw dot cz]

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

--- Comment #10 from Jan Hubicka <hubicka at ucw dot cz> 2011-01-10 11:51:43 UTC ---
> I don't think it is. I am building a cross-compiler (with build = host =
> x86_64-apple-darwin10.6.0, target = i586-pc-mingw32) from unpatched GCC
> revision 168626, and it's failing with the same symptoms. When configuring
> libgcc, I get:
> 
> 
> checking for suffix of object files... configure: error: in
> `/Users/fx/devel/mingw/ibin/i586-pc-mingw32/libgcc':
> configure: error: cannot compute suffix of object files: cannot compile
> 
> 
> And the relevant part of config.log says:
> 
> xgcc: fatal error: -fuse-linker-plugin, but liblto_plugin.so not found
> compilation terminated.

Do you have any idea why liblto_plugin.so is not built this time?
Is it the case where host is not able to build shared libraries we discussed
with Ralph?

Honza