gcc/ChangeLog:
* Makefile.in (ALL_CFLAGS): Add file-specific CFLAGS.
(ALL_HOST_FRONTEND_OBJS): New, for all front-end specific objects.
(ALL_HOST_BACKEND_OBJS): New, for all backend and target objects.
(ALL_HOST_OBJS): Now a union of the above two.
<section "Language makefile fragments">: Add -DIN_GCC_FRONTEND for
all files in ALL_HOST_FRONTEND_OBJS.
* system.h: Poison GCC_RTL_H if IN_GCC_FRONTEND is defined.
Please add a comment here. Otherwise okay. Paolo
