taken from fedora

--- bzip2-1.0.2/Makefile-libbz2_so
+++ bzip2-1.0.2/Makefile-libbz2_so
@@ -23,3 +23,3 @@
 all: $(OBJS)
-	$(CC) -shared -Wl,-soname -Wl,libbz2.so.1.0 -o libbz2.so.1.0.3 $(OBJS)
+	$(CC) -shared -Wl,-soname -Wl,libbz2.so.1 -o libbz2.so.1.0.3 $(OBJS)
 	$(CC) $(CFLAGS) -o bzip2-shared bzip2.c libbz2.so.1.0.2