diff -Naur wmrecord-1.0.5.orig/wmgeneral/wmgeneral.c wmrecord-1.0.5/wmgeneral/wmgeneral.c
--- wmrecord-1.0.5.orig/wmgeneral/wmgeneral.c	1999-07-05 20:40:04.000000000 +0200
+++ wmrecord-1.0.5/wmgeneral/wmgeneral.c	2020-06-13 10:57:57.237900077 +0200
@@ -66,6 +66,9 @@
 char		*Geometry = "";
 GC			NormalGC;
 Pixmap		pixmask;
+Display		*display;
+Window          Root, iconwin, win;
+XpmIcon		wmgen;
 
   /*****************/
  /* Mouse Regions */
diff -Naur wmrecord-1.0.5.orig/wmgeneral/wmgeneral.h wmrecord-1.0.5/wmgeneral/wmgeneral.h
--- wmrecord-1.0.5.orig/wmgeneral/wmgeneral.h	1999-06-01 15:46:55.000000000 +0200
+++ wmrecord-1.0.5/wmgeneral/wmgeneral.h	2020-06-13 10:57:51.055895156 +0200
@@ -36,9 +36,9 @@
  /* Global variable */
 /*******************/
 
-Display		*display;
-Window          Root, iconwin, win;
-XpmIcon		wmgen;
+extern Display		*display;
+extern Window          Root, iconwin, win;
+extern XpmIcon		wmgen;
 
   /***********************/
  /* Function Prototypes */