Index: sudokuki-1.2.4/src/classes/Makefile.am =================================================================== --- sudokuki-1.2.4/src/classes/Makefile.am +++ sudokuki-1.2.4/src/classes/Makefile.am 2016-11-11 20:51:38.091614211 +0100 @@ -59,7 +59,7 @@ find $(JAVAROOT) -name "*.class" -exec rm {} \; MANIFEST=$(JAVAROOT)/MANIFEST.MF -manifest: +manifest: mkoutputdir echo "Manifest-Version: 1.0" > $(MANIFEST); \ echo "Main-Class: net.jankenpoi.sudokuki.ui.Main" >> $(MANIFEST);