--- libjbig/Makefile.orig	Fri Apr 10 20:33:27 1998
+++ libjbig/Makefile	Wed Sep 16 11:57:16 1998
@@ -5,9 +5,16 @@
 CC = gcc
 
 # Options for the compiler: A high optimization level is suggested
-CFLAGS = -O -Wall -ansi -pedantic
+CFLAGS += -Wall -ansi -pedantic
 
-all: libjbig.a tstcodec
+JBIGLIB=libjbig.a
+.if ${PORTOBJFORMAT} == elf
+SOJBIGLIB=libjbig.so.1
+.else
+SOJBIGLIB=libjbig.so.1.1
+.endif
+
+all: libjbig.a $(SOJBIGLIB)
 
 tstcodec: tstcodec.c jbig.c jbig.h jbig_tab.o
 	$(CC) $(CFLAGS) -o tstcodec -DTEST_CODEC tstcodec.c jbig.c \
@@ -18,10 +25,25 @@
 	ar rc libjbig.a jbig.o jbig_tab.o
 	ranlib libjbig.a
 
+$(SOJBIGLIB): jbig.so jbig_tab.so
+	rm -f ${.TARGET}
+.if ${PORTOBJFORMAT} == elf
+	$(CC) -o ${.TARGET} -shared -Wl,-soname,${.TARGET} ${.ALLSRC}         
+	ln -sf ${.TARGET} `echo ${.TARGET} | sed 's/\.so.*$$/.so/'`
+.else
+	ld -Bshareable -o ${.TARGET} ${.ALLSRC}
+.endif
+	
 jbig.o: jbig.c jbig.h
 
+.SUFFIXES: .c .so
+.c.so:
+	${CC} -c -fpic -DPIC ${CFLAGS} ${.IMPSRC} -o ${.TARGET}
+jbig.so: jbig.c jbig.h
+jbig_tab.so: jbig_tab.c
+
 test: tstcodec
 	./tstcodec
 
 clean:
-	rm -f *.o *~ core gmon.out dbg_d\=??.pbm tstcodec
+	rm -f *.o *~ core gmon.out dbg_d\=??.pbm tstcodec *.so libjbig.so.1 libjbig.so.1.1 libjbig.a
