From 49392dfa44ce7b762c92db1ecda3be26f35e2d72 Mon Sep 17 00:00:00 2001
From: Christian Prochaska <christian.prochaska@genode-labs.com>
Date: Sat, 24 Apr 2021 23:06:32 +0200
Subject: [PATCH] dde_ipxe: fix build error with gcc 10

Fixes #4101
---
 repos/dde_ipxe/lib/mk/dde_ipxe_nic.inc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/repos/dde_ipxe/lib/mk/dde_ipxe_nic.inc b/repos/dde_ipxe/lib/mk/dde_ipxe_nic.inc
index dbf7ba286e..6649392324 100644
--- a/repos/dde_ipxe/lib/mk/dde_ipxe_nic.inc
+++ b/repos/dde_ipxe/lib/mk/dde_ipxe_nic.inc
@@ -23,6 +23,9 @@ CC_WARN = -Wall -Wno-address
 CC_OPT += $(addprefix -fno-builtin-, putchar toupper tolower)
 CC_C_OPT += -DARCH=i386 -DPLATFORM=pcbios -include compiler.h -DOBJECT=$(notdir $(*:.o=))
 
+# Prevent link error with GCC 10, which defaults to -fno-common
+CC_OPT += -fcommon
+
 #
 # Enable debugging of any iPXE object here via '-Ddebug_<object name>=<level>'.
 # 'level' may be one of 1, 3, 7.