* Makefile.in (WARN_CFLAGS): New.
	(FLAGS_TO_PASS): Add WARN_CFLAGS.
	* libF77/Makefile.in (ALL_CFLAGS): Likewise.
	* libI77/Makefile.in (ALL_CFLAGS): Likewise.
	* libU77/Makefile.in (ALL_CFLAGS): Likewise.

From-SVN: r54083