X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/f48536efcf767c0d7342f2cfdb8a238d90e4232c..0293662bacc718022460583968eee5104220f93f:/usr/src/usr.bin/mkdep/mkdep.sh

diff --git a/usr/src/usr.bin/mkdep/mkdep.sh b/usr/src/usr.bin/mkdep/mkdep.sh
index 1743d39a34..78f1a7f87b 100644
--- a/usr/src/usr.bin/mkdep/mkdep.sh
+++ b/usr/src/usr.bin/mkdep/mkdep.sh
@@ -1,45 +1,94 @@
-#! /bin/sh
+#!/bin/sh -
 #
-#	@(#)mkdep.sh	5.1	(Berkeley)	%G%
+# Copyright (c) 1987 Regents of the University of California.
+# All rights reserved.
 #
+# Redistribution and use in source and binary forms are permitted
+# provided that the above copyright notice and this paragraph are
+# duplicated in all such forms and that any documentation,
+# advertising materials, and other materials related to such
+# distribution and use acknowledge that the software was developed
+# by the University of California, Berkeley.  The name of the
+# University may not be used to endorse or promote products derived
+# from this software without specific prior written permission.
+# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+# WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+#
+#	@(#)mkdep.sh	5.18 (Berkeley) %G%
+#
+PATH=/bin:/usr/bin:/usr/ucb
+export PATH
 
-CC="/bin/cc -M"
-TMP=/tmp/mkdep$$
+D=.depend			# default dependency file is .depend
+append=0
 
-trap '/bin/rm -f $TMP ; exit 1' 1 2 3 13 15
+while :
+	do case "$1" in
+		# -a appends to the depend file
+		-a)
+			append=1
+			shift ;;
 
-cp Makefile Makefile.bak
+		# -f allows you to select a makefile name
+		-f)
+			D=$2
+			shift; shift ;;
 
-sed -e '/DO NOT DELETE THIS LINE/,$d' < Makefile > $TMP
+		# the -p flag produces "program: program.c" style dependencies
+		# so .o's don't get produced
+		-p)
+			SED='s;\.o;;'
+			shift ;;
+		*)
+			break ;;
+	esac
+done
 
-cat << _EOF_ >> $TMP
-# DON'T DELETE THIS LINE -- mkdep uses it.
-# DON'T PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
+if [ $# = 0 ] ; then
+	echo 'usage: mkdep [-p] [-f depend_file] [cc_flags] file ...'
+	exit 1
+fi
 
-_EOF_
+TMP=/tmp/mkdep$$
 
-$CC $* | sed -e 's, ./, ,g' | \
-	awk ' { \
-		if ($1 != prev) { \
-			if (rec != "") \
-				print rec; rec = $0; prev = $1; \
-		} \
-		else { \
-			if (length(rec $2) > 78) { \
-				print rec; rec = $0; \
-			} else \
-				rec = rec " " $2 \
-		} \
-	} \
-	END { \
-		print rec \
-	} ' >> $TMP
+trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
 
-cat << _EOF_ >> $TMP
+cc -M $* |
+sed "
+	s; \./; ;g
+	/\.c:$/d
+	$SED" |
+awk '{
+	if ($1 != prev) {
+		if (rec != "")
+			print rec;
+		rec = $0;
+		prev = $1;
+	}
+	else {
+		if (length(rec $2) > 78) {
+			print rec;
+			rec = $0;
+		}
+		else
+			rec = rec " " $2
+	}
+}
+END {
+	print rec
+}' > $TMP
 
-# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
-_EOF_
+if [ $? != 0 ]; then
+	echo 'mkdep: compile failed.'
+	rm -f $TMP
+	exit 1
+fi
 
-mv $TMP Makefile
-rm -f Makefile.bak
+if [ $append = 1 ]; then
+	cat $TMP >> $D
+	rm -f $TMP
+else
+	mv $TMP $D
+fi
 exit 0