From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Tue, 24 Nov 2020 10:29:28 +0000
Subject: [PATCH] gnu: mupdf: Fix linkage.

Replace broken linkage to ‘build/shared-release/libmupdf.so’ with the
proper ‘-L$(libdir) -lmupdf’ incantation, and fix libmupdf.so's mode.

--- mupdf-1.18.0-source.org/Makefile
+++ mupdf-1.18.0-source/Makefile
@@ -61,7 +61,7 @@
 ifdef RANLIB
   RANLIB_CMD = $(QUIET_RANLIB) $(RANLIB) $@
 endif
-LINK_CMD = $(QUIET_LINK) $(MKTGTDIR) ; $(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
+LINK_CMD = $(QUIET_LINK) $(MKTGTDIR) ; $(CC) $(LDFLAGS) -o $@ $(subst $(MUPDF_LIB),-L$(libdir) -L$(OUT) -lmupdf,$^) $(LIBS)
 TAGS_CMD = $(QUIET_TAGS) ctags -R --c-kinds=+p
 WINDRES_CMD = $(QUIET_WINDRES) $(MKTGTDIR) ; $(WINDRES) $< $@
 OBJCOPY_CMD = $(QUIET_OBJCOPY) $(MKTGTDIR) ; $(LD) -r -b binary -z noexecstack -o $@ $<
@@ -364,7 +364,7 @@ install: libs apps
 	install -m 644 include/mupdf/pdf/*.h $(DESTDIR)$(incdir)/mupdf/pdf
 
 	install -d $(DESTDIR)$(libdir)
-	install -m 644 $(INSTALL_LIBS) $(DESTDIR)$(libdir)
+	install -m 755 $(INSTALL_LIBS) $(DESTDIR)$(libdir)
 
 	install -d $(DESTDIR)$(bindir)
 	install -m 755 $(TOOL_APPS) $(VIEW_APPS) $(DESTDIR)$(bindir)