From 8e5ffd22e17e649cca293e6f1237263b07a9596d Mon Sep 17 00:00:00 2001
From: Doug Torrance <dtorrance@piedmont.edu>
Date: Sat, 18 Apr 2020 00:12:01 -0400
Subject: [PATCH] wmtv: Use extern when declaring global variables in header
 file.

Avoids a FTBFS when compiling with -fno-common, which will be default in
GCC 10.
---
 wmtv/src/wmgeneral/wmgeneral.h | 2 +-
 wmtv/src/wmtv.c                | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/wmtv/src/wmgeneral/wmgeneral.h b/wmtv/src/wmgeneral/wmgeneral.h
index e26ca58..f4b4ba9 100644
--- a/wmtv/src/wmgeneral/wmgeneral.h
+++ b/wmtv/src/wmgeneral/wmgeneral.h
@@ -36,7 +36,7 @@ typedef struct {
  /* Global variable */
 /*******************/
 
-Display		*display;
+extern Display		*display;
 
   /***********************/
  /* Function Prototypes */
diff --git a/wmtv/src/wmtv.c b/wmtv/src/wmtv.c
index 1fa2eea..5c4c581 100644
--- a/wmtv/src/wmtv.c
+++ b/wmtv/src/wmtv.c
@@ -85,6 +85,7 @@
 #endif
 
 /* Global Variables */
+Display		*display;
 int tfd;
 int card_present = FALSE;
 int ntfb_status  = SETOFF;