#	$NetBSD: Makefile.crunch,v 1.4 2002/03/14 22:26:09 lukem Exp $
#
# Makefile snippet to build a crunchgen(1)ed binary from the provided lists
#

#
# Required variables:
#	_SRC_TOP_	top level of src tree (set by <bsd.own.mk>)
#	CRUNCHBIN	name of crunchgen(1)ed binary
#	LISTS		list file(s) to use
#
# Optional variables:
#	DESTDIR		destination directory
#	PARSELISTENV	environment variables to set for parselist.awk
#

PARSELISTENV+=	_SRC_TOP_=${_SRC_TOP_:Q} \
		CRUNCHBIN=${CRUNCHBIN:Q} \
		CURDIR=${.CURDIR:Q} \
		DESTDIR=${DESTDIR:Q} \
		MACHINE=${MACHINE:Q} \
		MACHINE_ARCH=${MACHINE_ARCH:Q} \
		OBJDIR=${.OBJDIR:Q}

_PARSELIST=	${_SRC_TOP_}/distrib/common/parselist.awk

${CRUNCHBIN}: ${CRUNCHBIN}.mk ${CRUNCHBIN}.cache ${CRUNCHBIN}.c
	env SMALLPROG=1 ${MAKE} -f ${CRUNCHBIN}.mk all

${CRUNCHBIN}.mk ${CRUNCHBIN}.cache ${CRUNCHBIN}.c: ${CRUNCHBIN}.conf
	env SMALLPROG=1 \
	    ${CRUNCHGEN} -f -D ${_SRC_TOP_} -L ${DESTDIR}/usr/lib ${.ALLSRC}

${CRUNCHBIN}.conf: ${LISTS} ${_PARSELIST}
	-rm -f ${.TARGET} ${.TARGET}.tmp
	${PARSELISTENV} awk -f ${_PARSELIST} -v mode=crunch \
	    ${LISTS} > ${.TARGET}.tmp
	&& mv ${.TARGET}.tmp ${.TARGET}

CLEANFILES+=	${CRUNCHBIN} ${CRUNCHBIN}.conf ${CRUNCHBIN}.conf.tmp \
		${CRUNCHBIN}.cache *.o *.cro *.c

clean cleandir distclean: cleancrunchgen

.PHONY: cleancrunchgen

cleancrunchgen:
	if [ -f ${CRUNCHBIN}.mk ]; then \
		${MAKE} -f ${CRUNCHBIN}.mk clean; \
	fi
	rm -f ${CRUNCHBIN}.mk