--- mupdf-1.9a-source/Makefile.orig
+++ mupdf-1.9a-source/Makefile
@@ -16,6 +16,7 @@
 # XCFLAGS or XLIBS instead. Make ignores any lines in the makefile that
 # set a variable that was set on the command line.
 CFLAGS += $(XCFLAGS) -Iinclude -I$(GEN)
+CFLAGS += -fPIC
 LIBS += $(XLIBS) -lm
 
 LIBS += $(FREETYPE_LIBS)
@@ -52,6 +53,7 @@
 CXX_CMD = $(QUIET_CXX) $(CXX) $(CFLAGS) -o $@ -c $<
 AR_CMD = $(QUIET_AR) $(AR) cr $@ $^
 LINK_CMD = $(QUIET_LINK) $(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
+LINK_SHARED_CMD = $(QUIET_LINK) $(CC) $(LDFLAGS) -shared -Wl,-soname,$(notdir $@) -o $@ $^ $(LIBS)
 MKDIR_CMD = $(QUIET_MKDIR) mkdir -p $@
 RM_CMD = $(QUIET_RM) rm -f $@
 
@@ -141,8 +143,8 @@
 
 # --- Library ---
 
-MUPDF_LIB = $(OUT)/libmupdf.a
-THIRD_LIB = $(OUT)/libmupdfthird.a
+MUPDF_LIB = $(OUT)/libmupdf.so.0
+THIRD_LIB = $(OUT)/libmupdfthird.so.0
 
 MUPDF_OBJ := $(FITZ_OBJ) $(FONT_OBJ) $(PDF_OBJ) $(XPS_OBJ) $(CBZ_OBJ) $(HTML_OBJ) $(GPRF_OBJ)
 THIRD_OBJ := $(FREETYPE_OBJ) $(HARFBUZZ_OBJ) $(JBIG2DEC_OBJ) $(JPEG_OBJ) $(MUJS_OBJ) $(OPENJPEG_OBJ) $(ZLIB_OBJ)
@@ -161,6 +163,9 @@
 	$(RM_CMD)
 	$(AR_CMD)
 	$(RANLIB_CMD)
+
+$(OUT)/%.so.0 : $(OUT)/%.a
+	$(LINK_SHARED_CMD)
 
 $(OUT)/%: $(OUT)/%.o
 	$(LINK_CMD)