diff --git a/data/Makefile b/data/Makefile
index 6331989..84d430c 100644
--- a/data/Makefile
+++ b/data/Makefile
@@ -10,7 +10,7 @@ INSTALL	= install
 all: $(TARGETS)
 
 libDesktop.pc: libDesktop.pc.in ../config.sh
-	./pkgconfig.sh "libDesktop.pc"
+	./pkgconfig.sh -P "$(PREFIX)" -- "libDesktop.pc"
 
 clean:
 	$(RM) -- $(libDesktop.pc_OBJS)
@@ -19,9 +19,9 @@ distclean: clean
 	$(RM) -- $(TARGETS)
 
 install: all
-	./pkgconfig.sh -p "$(DESTDIR)$(PREFIX)" install "libDesktop.pc"
+	./pkgconfig.sh -P "$(DESTDIR)$(PREFIX)" -i -- "libDesktop.pc"
 
 uninstall:
-	./pkgconfig.sh -p "$(DESTDIR)$(PREFIX)" uninstall "libDesktop.pc"
+	./pkgconfig.sh -P "$(DESTDIR)$(PREFIX)" -u -- "libDesktop.pc"
 
 .PHONY: all clean distclean install uninstall
diff --git a/data/pkgconfig.sh b/data/pkgconfig.sh
index 4d86320..392347a 100755
--- a/data/pkgconfig.sh
+++ b/data/pkgconfig.sh
@@ -24,32 +24,58 @@ _debug()
 #usage
 _usage()
 {
-	echo "Usage: pkgconfig.sh target" 1>&2
-	echo "       pkgconfig.sh -p prefix install target" 1>&2
-	echo "       pkgconfig.sh -p prefix uninstall target" 1>&2
+	echo "Usage: pkgconfig.sh [-i|-u][-P prefix] target" 1>&2
 	return 1
 }
 
 
 #main
-if [ $# -eq 4 -a "$1" = "-p" ]; then
-	PREFIX="$2"
-	PKGCONFIG="$PREFIX/lib/pkgconfig"
-
-	if [ "$3" = "install" ]; then
-		$DEBUG $MKDIR "$PKGCONFIG"			|| exit 2
-		$DEBUG $INSTALL "$4" "$PKGCONFIG/$4"		|| exit 2
-		exit 0
-	elif [ "$3" = "uninstall" ]; then
-		$DEBUG $RM "$PKGCONFIG/$4"			|| exit 2
-		exit 0
-	else
-		echo "pkgconfig.sh: $3: Unknown operation" 1>&2
-	fi
-fi
-if [ $# -ne 1 ]; then
+args=`getopt iuP: $*`
+if [ $? -ne 0 ]; then
 	_usage
 	exit $?
 fi
+set -- $args
+install=0
+uninstall=0
+while [ $# -gt 0 ]; do
+	case "$1" in
+		-i)
+			install=1
+			;;
+		-u)
+			uninstall=1
+			;;
+		-P)
+			PREFIX="$2"
+			shift
+			;;
+		--)
+			shift
+			break
+			;;
+	esac
+	shift
+done
 
-$SED -e "s,PREFIX,$PREFIX," -e "s,VERSION,$VERSION," "$1.in" > "$1"
+PKGCONFIG="$PREFIX/lib/pkgconfig"
+while [ $# -gt 0 ]; do
+	target="$1"
+	shift
+
+	#uninstall
+	if [ "$uninstall" -eq 1 ]; then
+		$DEBUG $RM "$PKGCONFIG/$target"			|| exit 2
+		continue
+	fi
+
+	#create
+	$SED -e "s,PREFIX,$PREFIX," -e "s,VERSION,$VERSION," "$target.in" \
+		> "$target"					|| exit 2
+
+	#install
+	if [ "$install" -eq 1 ]; then
+		$DEBUG $MKDIR "$PKGCONFIG"			|| exit 2
+		$DEBUG $INSTALL "$target" "$PKGCONFIG/$target"	|| exit 2
+	fi
+done