http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52122
--- Comment #31 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-13 10:09:02 UTC --- (In reply to comment #30) > --- Makefile.in (revision 195997) > +++ Makefile.in (working copy) > @@ -115,8 +115,8 @@ > && touch stamp-libada > -rm -rf adainclude > -rm -rf adalib > - $(LN_S_RECUSIVE) $(ADA_RTS_DIR) adainclude > - $(LN_S_RECUSIVE) $(ADA_RTS_DIR) adalib > + $(LN_S_RECURSIVE) $(ADA_RTS_DIR) adainclude > + $(LN_S_RECURSIVE) $(ADA_RTS_DIR) adalib > > osconstool: > $(MAKE) -C $(GCC_DIR)/ada $(LIBADA_FLAGS_TO_PASS) > ./bldtools/oscons/xoscons > ... Please install as obvious.