freebsd-nq/usr.bin/m4/Makefile
Kyle Evans ecebb3cc1d Only set WARNS if not defined
This would allow interested parties to do experimental runs with an
environment set appropriately to raise all the warnings throughout the
build; e.g. env WARNS=6 NO_WERROR=yes buildworld.

Not currently touching the numerous instances in ^/tools.

MFC after:	1 week
2020-09-11 13:28:37 +00:00

35 lines
770 B
Makefile

# $OpenBSD: Makefile,v 1.13 2014/05/12 19:11:19 espie Exp $
# $FreeBSD$
# -DEXTENDED
# if you want the paste & spaste macros.
.include <src.opts.mk>
PROG= m4
CFLAGS+=-DEXTENDED -I${.CURDIR} -I${SRCTOP}/lib/libopenbsd
LIBADD= m openbsd
NO_WMISSING_VARIABLE_DECLARATIONS=
SRCS= eval.c expr.c look.c main.c misc.c gnum4.c trace.c parser.y
.if target(bootstrap_m4_tokenizer)
# When crossbuilding on non-FreeBSD we need to first build m4 with pre-generated
# tokenizer files and the build the real m4 once we have lex+yacc.
SRCS+= tokenizer.c
.else
SRCS+= tokenizer.l
.endif
GENFILES= tokenizer.c parser.c parser.h
WARNS?= 3
tokenizer.o: parser.h
CLEANFILES+= parser.c parser.h tokenizer.o tokenizer.c
HAS_TESTS=
SUBDIR.${MK_TESTS}+= tests
.include <bsd.prog.mk>