http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45375
--- Comment #15 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-12-02 09:41:58 UTC --- (In reply to comment #10) > I am just trying to get Mozilla building with GNU ld instead of gold. First > problem is that Mozilla links some of libraries as: > > /abuild/jh/trunk-install/bin/gcc -O3 -flto -flto-partition=none > -fuse-linker-plugin -shared -Wl,-soname -Wl,libplds4.so -o libplds4.so > ./plarena.o ./plhash.o ./plvrsion.o > -L/abuild/jh/build-mozilla-new7/dist/lib > -lnspr4 > > i.e. there is missing -fPIC that means that we compile into non-PIC code and > GNU LD eventually complains about PC32 relocations into symbols that can be > overwritten. > > Is this valid? If so, we need to work out -fPIC ourselves at LTO time.... It's valid I think and we try to work out fPIC ourselves in the funny LTO option handling code (but the options are not re-applied at ltrans stage I think, so it doesn't work at all with WHOPR). Richard. > Honza
