diff -ruN wmtictactoe.old/files/patch-..__wmgeneral-wmgeneral.c wmtictactoe/files/patch-..__wmgeneral-wmgeneral.c
--- wmtictactoe.old/files/patch-..__wmgeneral-wmgeneral.c	1970-01-01 01:00:00.000000000 +0100
+++ wmtictactoe/files/patch-..__wmgeneral-wmgeneral.c	2020-09-19 23:48:54.308929000 +0200
@@ -0,0 +1,11 @@
+--- ../wmgeneral/wmgeneral.c.orig	2020-09-19 23:44:55.777477000 +0200
++++ ../wmgeneral/wmgeneral.c	2020-09-19 23:47:51.789885000 +0200
+@@ -55,6 +55,8 @@
+  /* X11 Variables */
+ /*****************/
+ 
++Display          *display;
++Window          Root, iconwin, win;
+ int			screen;
+ int			x_fd;
+ int			d_depth;
diff -ruN wmtictactoe.old/files/patch-..__wmgeneral-wmgeneral.h wmtictactoe/files/patch-..__wmgeneral-wmgeneral.h
--- wmtictactoe.old/files/patch-..__wmgeneral-wmgeneral.h	1970-01-01 01:00:00.000000000 +0100
+++ wmtictactoe/files/patch-..__wmgeneral-wmgeneral.h	2020-09-19 23:49:13.844728000 +0200
@@ -0,0 +1,13 @@
+--- ../wmgeneral/wmgeneral.h.orig	2020-09-19 23:45:08.370065000 +0200
++++ ../wmgeneral/wmgeneral.h	2020-09-19 23:45:48.112251000 +0200
+@@ -36,8 +36,8 @@
+  /* Global variable */
+ /*******************/
+ 
+-Display		*display;
+-Window          Root, iconwin, win;
++extern Display		*display;
++extern Window          Root, iconwin, win;
+ 
+ 
+   /***********************/