--- makefile.cfg.orig	2013-10-14 17:40:20.000000000 -0700
+++ makefile.cfg	2013-10-14 17:38:57.000000000 -0700
@@ -166,6 +166,11 @@
 	$(AR) libjpeg.a  $(LIBOBJECTS)
 	$(AR2) libjpeg.a
 
+# without libtool: with shared library:
+libjpeg.so: @A2K_DEPS@ $(LIBOBJECTS)
+	$(RM) libjpeg.so
+	$(CC) $(LDFLAGS) $(LIBOBJECTS)
+
 # with libtool:
 libjpeg.la: @A2K_DEPS@ $(LIBOBJECTS)
 	$(LIBTOOL) --mode=link $(CC) -o libjpeg.la $(LIBOBJECTS) \