Dramatically clean up Makefile. Make send-pr get rebuilt if Makefile

changes.

gnu/usr.bin/send-pr/Makefile

@@ -2,27 +2,29 @@
 # Makefile for building a standalone send-pr.
 #
 
-BINDIR= /usr/bin
-MAN1= send-pr.1
-DATADIR=/etc
-SUBMITTERS=current-users
-RELEASE=`uname -rsm`
+MAN1=		send-pr.1
+SUBMITTERS=	current-users
+RELEASE!=	uname -rsm
+CLEANFILES+=	send-pr send-pr.el
 
-all: ${.CURDIR}/send-pr.sh ${.CURDIR}/send-pr-el.in ${.CURDIR}/install-sid.sh
-	sed -e 's,@DATADIR@,$(DATADIR),g' \
-	    -e 's/@DEFAULT_RELEASE@/$(RELEASE)/g' ${.CURDIR}/send-pr.sh > send-pr
-	sed -e 's,@DATADIR@,$(DATADIR),g' \
-		 -e 's/@DEFAULT_RELEASE@/$(RELEASE)/g' ${.CURDIR}/send-pr-el.in > send-pr.el
-	sed -e 's,@BINDIR@,$(BINDIR),g' ${.CURDIR}/install-sid.sh > install-sid
+all: send-pr
+
+send-pr:	send-pr.sh Makefile
+	sed -e 's,@DATADIR@,/etc,g' \
+	    -e 's/@DEFAULT_RELEASE@/$(RELEASE)/g' \
+	    -e 's/^SUBMITTER=/SUBMITTER=$(SUBMITTERS)/' \
+	    ${.ALLSRC:N*Makefile} > ${.TARGET}
+
+send-pr.el:	send-pr-el.in Makefile
+	sed -e 's,@DATADIR@,/etc,g' \
+	    -e 's/@DEFAULT_RELEASE@/$(RELEASE)/g' \
+	    -e 's/"unknown"/"$(SUBMITTERS)"/g' \
+	    ${.ALLSRC:N*Makefile} > ${.TARGET}
 
 beforeinstall:
 	install -c -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
-		send-pr ${DESTDIR}/usr/bin/send-pr
+		send-pr ${DESTDIR}${BINDIR}/send-pr
 	install -c -o ${BINOWN} -g ${BINGRP} -m 0644 \
 		${.CURDIR}/categories  ${DESTDIR}/etc/gnats/freefall
-	sh install-sid ${SUBMITTERS}
-
-clean:
-	rm -f send-pr send-pr.el install-sid
 
 .include <bsd.prog.mk>