X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/043ab8c85fed7014e096f525e3a1de7464e3a55e..bc246bd5a9764b1260213d13949e2186bb590dd7:/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 acd6192b35..295e444f77 100644
--- a/usr/src/usr.bin/mkdep/mkdep.sh
+++ b/usr/src/usr.bin/mkdep/mkdep.sh
@@ -4,39 +4,43 @@
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms are permitted
-# provided that this notice is preserved and that due credit is given
-# to the University of California at 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'' without express or implied warranty.
+# 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	5.8 (Berkeley) %G%
+#	@(#)mkdep.sh	5.14 (Berkeley) %G%
 #
-
 PATH=/bin:/usr/bin:/usr/ucb
 export PATH
 
-if [ $# = 0 ] ; then
-	echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
-	exit 1
-fi
+D=.depend			# default dependency file is .depend
 
-MAKE=Makefile			# default makefile name is "Makefile"
-case $1 in
-	# -f allows you to select a makefile name
-	-f)
-		MAKE=$2
-		shift; shift ;;
+while :
+	do case "$1" in
+		# -f allows you to select a makefile name
+		-f)
+			D=$2
+			shift; shift ;;
 
-	# the -p flag produces "program: program.c" style dependencies
-	# so .o's don't get produced
-	-p)
-		SED='-e s;\.o;;'
-		shift ;;
-esac
+		# the -p flag produces "program: program.c" style dependencies
+		# so .o's don't get produced
+		-p)
+			SED='s;\.o;;'
+			shift ;;
+		*)
+			break ;;
+	esac
+done
 
-if [ ! -w $MAKE ]; then
-	echo "mkdep: no writeable file \"$MAKE\""
+if [ $# = 0 ] ; then
+	echo 'usage: mkdep [-p] [-f depend_file] [cc_flags] file ...'
 	exit 1
 fi
 
@@ -44,39 +48,37 @@ TMP=/tmp/mkdep$$
 
 trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
 
-cp $MAKE ${MAKE}.bak
-
-sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
-
-cat << _EOF_ >> $TMP
-# DO NOT DELETE THIS LINE -- mkdep uses it.
-# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
-
-_EOF_
-
-cc -M $* | /bin/sed -e "s; \./; ;g" $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
-
-cat << _EOF_ >> $TMP
+# If your compiler doesn't have -M, add it.  If you can't, the next two
+# lines will try and replace the "cc -M".  The real problem is that this
+# hack can't deal with anything that requires a search path, and doesn't
+# even try for anything using bracket (<>) syntax.
+#
+# egrep '^#include[ 	]*".*"' /dev/null $* |
+# sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
 
-# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
-_EOF_
+cc -M $* |
+sed "
+	s; \./; ;g
+	$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
 
-# copy to preserve permissions
-cp $TMP $MAKE
-rm -f ${MAKE}.bak $TMP
+mv $TMP $D
 exit 0