"Paulo J. Matos" <pocma...@gmail.com> writes: > I am quite confused about the difference between the above two options > in Makefile fragments. > > They both seem to be doing the same thing which is to set the options > to build libgcc2 with. > > The only thing that comes to mind is that LIBGCC2_CFLAGS only applies > to the main library and MULTILIB_EXTRA_OPTS applies to all the > specially' build libgcc2 that go into MULTILIB_DIRNAMES.
LIBGCC2_CFLAGS applies only to libgcc (all multilib versions of libgcc). MULTILIB_EXTRA_OPTS applies to all target libraries (libstdc++, libjava, libgo, etc.). Ian
