Date: Fri, 22 Aug 1997 09:38:51 +0900 From: itojun@itojun.org To: Bill Fenner <fenner@parc.xerox.com> Cc: freebsd-ports@freebsd.org Subject: Re: Versioning bsd.port.mk Message-ID: <1280.872210331@itojun.csl.sony.co.jp> In-Reply-To: Bill Fenner <fenner@parc.xerox.com>'s message of Thu, 21 Aug 1997 13:43:22 PDT. <97Aug21.134334pdt.177512@crevenia.parc.xerox.com> References: <97Aug21.134334pdt.177512@crevenia.parc.xerox.com>
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>Adding the following to bsd.port.mk will give you a variable which is
>the check-in date of the existing bsd.port.mk (this doesn't help people
>who have their own CVS trees into which they check FreeBSD sources).
>BSD_PORT_MK_DATE= $$Date: $$
>BSD_PORT_MK_DATE:= ${BSD_PORT_MK_DATE:M[0-9]*/[0-9]*}
>BSD_PORT_MK_DATE:= ${BSD_PORT_MK_DATE:S/\///g}
>Then bsd.port.mk could have something like
>.if defined(NEED_MK_VERSION) && (${NEED_MK_VERSION} > ${BSD_PORT_MK_DATE})
> ${ECHO_MSG} "===> WARNING: you probably need a newer bsd.port.mk to build this port"
>.endif
>in bsd.port.mk, and port Makefiles could contain NEED_MK_VERSION= .
how about this? (using perl is not essential; I'm happy with the
above Makefile-only approach)
itojun
=======
--- bsd.port.mk Tue Aug 19 21:32:50 1997
+++ /tmp/bsd.port.mk Wed Aug 20 14:03:02 1997
@@ -390,6 +389,7 @@
MD5?= md5
.endif
MD5_FILE?= ${FILESDIR}/md5
+STAMP_FILE?= ${FILESDIR}/stamp
MAKE_FLAGS?= -f
MAKEFILE?= Makefile
@@ -814,6 +814,12 @@
@${DO_NADA}
.endif
+.if defined(NO_CHECKSTAMP) && !target(checkstamp)
+checkstamp: fetch
+ @${DO_NADA}
+.endif
+
+
# Disable extract
.if defined(NO_EXTRACT) && !target(extract)
extract: checksum
@@ -1174,7 +1180,7 @@
################################################################
.if !target(fetch)
-fetch:
+fetch: checkstamp
@cd ${.CURDIR} && ${MAKE} ${.MAKEFLAGS} real-fetch
.endif
@@ -1357,6 +1363,14 @@
done
.endif
+.if !target(makestamp)
+makestamp:
+ @${MKDIR} ${FILESDIR}
+ @if [ -f ${STAMP_FILE} ]; then ${RM} -f ${STAMP_FILE}; fi
+ @grep 'Id: bsd.port.mk,v' /usr/share/mk/bsd.port.mk | head -1 | \
+ perl -pe 's/.*(\d\d\d\d)\/(\d\d)\/(\d\d) (\d\d):(\d\d):(\d\d).*/$$1$$2$$3$$4/' > ${STAMP_FILE}
+.endif
+
.if !target(checksum)
checksum: fetch
@if [ ! -f ${MD5_FILE} ]; then \
@@ -1399,6 +1413,23 @@
fi) ; \
fi
.endif
+
+.if !target(checkstamp)
+checkstamp:
+ @if [ ! -f ${STAMP_FILE} ]; then \
+ ${ECHO_MSG} ">> No bsd.port.mk timestamp file."; \
+ else ( \
+ CURSTAMP=`grep 'Id: bsd.port.mk,v' /usr/share/mk/bsd.port.mk | head -1 | perl -pe 's/.*(\d\d\d\d)\/(\d\d)\/(\d\d) (\d\d):(\d\d):(\d\d).*/$$1$$2$$3$$4/'`; \
+ EXPECTEDSTAMP=`cat ${STAMP_FILE}`; \
+ if [ "$$CURSTAMP" -lt "$$EXPECTEDSTAMP" ]; then \
+ ${ECHO_MSG} "bsd.port.mk looks older than expected."; \
+ ${ECHO_MSG} "If you wish to force make the port, type"; \
+ ${ECHO_MSG} "\"make NO_CHECKSTAMP=yes [other args]\"."; \
+ exit 1; \
+ fi ); \
+ fi
+.endif
+
################################################################
# The special package-building targets
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