http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54642
--- Comment #13 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-09-21 19:30:34 UTC --- > Seems like this could be due to the change.... > > * lto-symtab.c: Do not include gt-lto-symtab.h. > > so I would think we need this change as well, no? > > Index: gcc/Makefile.in > =================================================================== > --- gcc/Makefile.in (revision 191617) > +++ gcc/Makefile.in (working copy) > @@ -2156,7 +2156,7 @@ lto-section-out.o : lto-section-out.c $( > $(DATA_STREAMER_H) > lto-symtab.o: lto-symtab.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \ > $(TREE_H) $(GIMPLE_H) $(GGC_H) $(HASHTAB_H) \ > - $(LTO_STREAMER_H) $(LINKER_PLUGIN_API_H) gt-lto-symtab.h > + $(LTO_STREAMER_H) $(LINKER_PLUGIN_API_H) > lto-opts.o: lto-opts.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TREE_H) \ > $(HASHTAB_H) $(GGC_H) $(BITMAP_H) $(FLAGS_H) $(OPTS_H) $(OPTIONS_H) \ > $(COMMON_TARGET_H) $(DIAGNOSTIC_H) $(LTO_STREAMER_H) Good catch! Please install it as obvious if not already done.