--- /dev/null
+From ee711740d2809e7aa3ebd57d58bfc02b1e9b034b Mon Sep 17 00:00:00 2001
+From: David Seifert <soap@gentoo.org>
+Date: Thu, 23 Jan 2020 17:27:10 +0100
+Subject: [PATCH] Fix GCC 10 switch to `-fno-common` default
+
+---
+ CRT.h | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/CRT.h b/CRT.h
+index 933fe068..65998ac6 100644
+--- a/CRT.h
++++ b/CRT.h
+@@ -140,7 +140,7 @@ extern const char **CRT_treeStr;
+
+ extern int CRT_delay;
+
+-int* CRT_colors;
++extern int* CRT_colors;
+
+ extern int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT];
+
+@@ -150,13 +150,13 @@ extern int CRT_scrollHAmount;
+
+ extern int CRT_scrollWheelVAmount;
+
+-char* CRT_termType;
++extern char* CRT_termType;
+
+ // TODO move color scheme to Settings, perhaps?
+
+ extern int CRT_colorScheme;
+
+-void *backtraceArray[128];
++extern void *backtraceArray[128];
+
+ #if HAVE_SETUID_ENABLED
+