Numerous Makefile fixes:

1) Do dependencies.
2) Install all appropriate links to manual pages.
3) Install header file in `beforeinstall' like all the rest.
4) Install header file only if changed.
5) Install object files only if changed.

1 files changed, 30 insertions, 11 deletions

diff --git a/lib/csu/i386/Makefile b/lib/csu/i386/Makefile
index f7ec74b..43383cc 100644
--- a/lib/csu/i386/Makefile
+++ b/lib/csu/i386/Makefile
@@ -1,34 +1,53 @@
 #	from: @(#)Makefile	5.6 (Berkeley) 5/22/91
-#	$Id: Makefile,v 1.14 1995/02/09 08:00:20 jkh Exp $
+#	$Id: Makefile,v 1.15 1995/03/30 06:40:31 phk Exp $
 
 CFLAGS+=	-DLIBC_SCCS -DDYNAMIC
 OBJS=		crt0.o gcrt0.o c++rt0.o
 CLEANFILES+=	a.out
 MAN3+=		dlopen.3
+MLINKS+=	dlopen.3 dlsym.3 \
+		dlopen.3 dlerror.3 \
+		dlopen.3 dlclose.3
 
 all: ${OBJS}
 
 crt0.o: crt0.c
-	${CC} ${CFLAGS} -c -DCRT0 ${.ALLSRC} -o ${.TARGET}
+	${CC} ${CFLAGS} -c -DCRT0 ${.CURDIR}/crt0.c -o ${.TARGET}
 	${LD} -x -r ${.TARGET}
 	mv a.out ${.TARGET}
 
 c++rt0.o: c++rt0.c
-	${CC} ${CFLAGS} -fpic -c ${.ALLSRC}
+	${CC} ${CFLAGS} -fpic -c ${.CURDIR}/c++rt0.c
 	@${LD} -x -r ${.TARGET}
 	@mv a.out ${.TARGET}
 
-gcrt0.o: crt0.c
-	${CC} ${CFLAGS} -c -DMCRT0 ${.ALLSRC} -o ${.TARGET}
+#
+# gcrt0.o doesn't really depend on crt0.o, but this is the easiest way
+# to get the dependencies mostly correct.
+#
+gcrt0.o: crt0.o
+	${CC} ${CFLAGS} -c -DMCRT0 ${.CURDIR}/crt0.c -o ${.TARGET}
 	${LD} -x -r ${.TARGET}
 	mv a.out ${.TARGET}
 
-install: maninstall
-	install ${COPY} -o ${BINOWN} -g ${BINGRP} -m 444 ${OBJS} \
-	    ${DESTDIR}/usr/lib
-	install ${COPY} -o ${BINOWN} -g ${BINGRP} -m 444 ${.CURDIR}/dlfcn.h \
-	    ${DESTDIR}/usr/include
+beforeinstall:
+	cmp -s ${.CURDIR}/dlfcn.h ${DESTDIR}/usr/include/dlfcn.h || \
+	install ${COPY} -o ${BINOWN} -g ${BINGRP} -m 444 \
+		${.CURDIR}/dlfcn.h ${DESTDIR}/usr/include
 
-depend lint tags:
+realinstall:
+.for i in ${OBJS}
+	cmp -s $i ${DESTDIR}/usr/lib/$i || \
+	install ${COPY} -o ${BINOWN} -g ${BINGRP} -m 444 $i ${DESTDIR}/usr/lib
+.endfor
+
+depend:	.depend
+
+.depend:	crt0.c c++rt0.c
+	rm -f .depend
+	mkdep ${CFLAGS} -DCRT0 ${.CURDIR}/crt0.c
+	mkdep -a ${CFLAGS} ${.CURDIR}/c++rt0.c
+
+lint tags:
 
 .include <bsd.prog.mk>