From ce3b8a230a3805c9b557c1f106795675bd034860 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Mon, 17 Aug 2020 10:50:51 -0700
Subject: [PATCH] Avoid duplicate definitions of IOPortBase

This fixed build with gcc10/-fno-common

Fixes
compiler.h:528: multiple definition of `IOPortBase';

Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>

---
 hw/xfree86/os-support/linux/lnx_video.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/xfree86/os-support/linux/lnx_video.c b/hw/xfree86/os-support/linux/lnx_video.c
index fd83022..1d0d96e 100644
--- a/hw/xfree86/os-support/linux/lnx_video.c
+++ b/hw/xfree86/os-support/linux/lnx_video.c
@@ -78,6 +78,7 @@ xf86OSInitVidMem(VidMemInfoPtr pVidMem)
 /***************************************************************************/
 /* I/O Permissions section                                                 */
 /***************************************************************************/
+_X_EXPORT unsigned int IOPortBase;      /* Memory mapped I/O port area */
 
 #if defined(__powerpc__)
 volatile unsigned char *ioBase = NULL;