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===================================================================
RCS file: /ftp/cvs/cvsroot/src/share/mk/bsd.prog.mk,v
rcsdiff: /ftp/cvs/cvsroot/src/share/mk/bsd.prog.mk,v: warning: Unknown phrases like `commitid ...;' are present.
retrieving revision 1.19
retrieving revision 1.20
diff -u -p -r1.19 -r1.20
--- src/share/mk/bsd.prog.mk	1993/07/17 12:18:12	1.19
+++ src/share/mk/bsd.prog.mk	1993/07/17 13:43:56	1.20
@@ -128,8 +128,15 @@ cleandir: _PROGSUBDIR
 depend: .depend _PROGSUBDIR
 .depend: ${SRCS}
 .if defined(PROG)
-	mkdep ${MKDEP} ${CFLAGS:M-[ID+]*} ${.ALLSRC:M*.c} ${.ALLSRC:M*.cc} \
-		${.ALLSRC:M*.C} ${.ALLSRC:M*.cxx}
+	rm -f .depend
+	files="${.ALLSRC:M*.c}"; \
+	if [ "$$files" != "" ]; then \
+	  mkdep -a ${MKDEP} ${CFLAGS:M-[ID]*} $$files; \
+	fi
+	files="${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cxx}"; \
+	if [ "$$files" != "  " ]; then \
+	  mkdep -a ${MKDEP} -+ ${CXXFLAGS:M-[ID]*} $$files; \
+	fi
 .endif
 .endif