# Lightweight port.mk to support slave ports.
#
#
#
#

.if (${OPSYS} == "NetBSD")
PORTSDIR?=		/usr/opt
.else
PORTSDIR?=		/usr/ports
.endif
MOVEDFILE?=		MOVED

ECHO_CMD?=	echo
FALSE?=		false
WC?=		/usr/bin/wc

.if defined(IS_SLAVED)
.   if defined(SLAVE_DEPENDS)
	@if [ `${ECHO_CMD} "${SLAVE_DEPENDS}" | ${WC} -w ` -ne "1" ]; then \
		${ECHO_CMD} "A slave port can only depend on one port" ; \ ${FALSE}; \
	fi; \

.          if exists(SLAVE_DEPENDS)
MASTERDIR=	${SLAVE_DEPENDS}
.           else
		@${ECHO_MSG}	"master port can't be found ! looking ofr its new location in ${PORTSDIR}/${MOVEDFILE}"
MASTERDIR= \
		@if \ 
		[ ! -d ${SLAVE_DEPENDS} ]; then
			newdir=`${EGREP} "^$${dir##${PORTSDIR}/}\|" ${PORTSDIR}/${MOVEDFILE} | \
			${AWK} -F\| ' $$2 ~ /^$$/ {print $$1" has been removed on " $$3 ". reason: "$$4; exit }; \
			{ print "${PORTSDIR}/" $$2};'` ;\
			if ( [ -d "$$newdir" ] && [ `${ECHO_MSG} "$$newdir" | ${WC} -w` -eq "1" ] ) ; then \
				${ECHO_MSG} $$newdir; \
			else
				
				${ECHO_MSG} "     >> Can't find any information in ${PORTSDIR}/${MOVEDFILE}"; \
			fi; \
.	if exists(MASTERDIR)
		@(${ECHO_MSG} ${MASTERDIR}; ${FALSE}
.       else
		@(${ECHO_MSG} "Master port has moved to ${MASTERDIR}"
.               include <${MASTERDIR}/Makefile>
.       endif
	
.   else
@${ECHO_CMD} "If you want to make a slave port, please define SLAVE_DEPENDS)"
.include <bsd.port.mk>
.   endif
.else
@${ECHO_CMD} "If you don't use IS_SLAVE don't use bsd.port.slave.mk"
.endif