$OpenBSD: patch-Makefile,v 1.12 2016/12/12 10:54:39 sthen Exp $
--- Makefile.orig	2020-10-10 08:56:03 UTC
+++ Makefile
@@ -214,13 +214,15 @@ MUPDF_LIB = $(OUT)/libmupdf.$(SO)
 
 $(MUPDF_LIB) : $(MUPDF_OBJ) $(THIRD_OBJ) $(THREAD_OBJ) $(PKCS7_OBJ)
 else
-MUPDF_LIB = $(OUT)/libmupdf.a
-THIRD_LIB = $(OUT)/libmupdf-third.a
+MUPDF_LIB = $(OUT)/libmupdf.so.$(SOVERSION)
+THIRD_LIB = $(OUT)/libmupdf-third.so.$(SOVERSION)
 THREAD_LIB = $(OUT)/libmupdf-threads.a
 PKCS7_LIB = $(OUT)/libmupdf-pkcs7.a
 
-$(MUPDF_LIB) : $(MUPDF_OBJ)
+$(MUPDF_LIB) : $(MUPDF_OBJ) $(THIRD_LIB)
+	$(LINK_CMD) -shared -Wl,-soname -Wl,libmupdf.so.$(SOVERSION)
 $(THIRD_LIB) : $(THIRD_OBJ)
+	$(LINK_CMD) -shared -Wl,-soname -Wl,libmupdf-third.so.$(SOVERSION)
 $(THREAD_LIB) : $(THREAD_OBJ)
 $(PKCS7_LIB) : $(PKCS7_OBJ)
 endif