$NetBSD$

Use libtool to build shared ojects.

--- Makefile.in.orig	1993-04-02 23:12:15.000000000 +0000
+++ Makefile.in
@@ -45,11 +45,14 @@ SHELL = /bin/sh
 
 subdirs = doc test
 
-default all:: regex.o
+default all:: libgnuregex.a regex.o
 .PHONY: default all
 
+libgnuregex.a: regex.o
+	${LIBTOOL} --mode=link --tag=CC ${CC} -o ${.TARGET:.a=.la} ${regex.o:.o=.lo} -rpath ${PREFIX}/lib -version-info 0:12
+
 regex.o: regex.c regex.h
-	$(CC) $(CFLAGS) $(CPPFLAGS) $(DEFS) -I. -I$(srcdir) -c $<
+	${LIBTOOL} --mode=compile --tag=CC $(CC) $(CFLAGS) $(CPPFLAGS) $(DEFS) -I. -I$(srcdir) -c $<
 
 clean mostlyclean::
 	rm -f *.o