Add targets %.ppm and %.png.

diff --git a/Makefile b/Makefile
index 751506b6fa72c2f683dc5a2cb66d470ef8c3679b..ce55831a23a887fbb2fb7dd0c5409537fa30ecb2 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -40,6 +40,11 @@ cmdline.c cmdline.h: adu.ggo
 %.o: %.c Makefile
        $(CC) -c $(CPPFLAGS) $(DEBUG_CPPFLAGS) $<
 
+%.ppm: %.sk
+       sk2ppm $< > $@
+%.png: %.ppm
+       convert $< $@
+
 select.cmdline.c select.cmdline.h: select.ggo
        gengetopt --set-package=select \
                --no-handle-help \