# Based on gcc10.patch from https://patches.ubuntu.com/c/cdrkit/cdrkit_9:1.1.11-3.1ubuntu2.patch
diff -Naur cdrkit-1.1.11.orig/genisoimage/genisoimage.h cdrkit-1.1.11/genisoimage/genisoimage.h
--- cdrkit-1.1.11.orig/genisoimage/genisoimage.h	2020-09-01 20:08:09.312260557 -0700
+++ cdrkit-1.1.11/genisoimage/genisoimage.h	2020-09-01 20:08:23.753739324 -0700
@@ -376,7 +376,7 @@
 extern int	split_SL_component;
 extern int	split_SL_field;
 extern char	*trans_tbl;
-char		*outfile;
+extern char	*outfile;
 
 #define	JMAX		64	/* maximum Joliet file name length (spec) */
 #define	JLONGMAX	103	/* out of spec Joliet file name length */

.