Index: work/OS/Fedora/pcb-rnd.spec
===================================================================
--- work/OS/Fedora/pcb-rnd.spec	(revision 30782)
+++ work/OS/Fedora/pcb-rnd.spec	(revision 30783)
@@ -4,6 +4,10 @@
 %global rpm_has_recommends    %(rpm --version | awk -e '{print ($3 > 4.12)}')
 #%%global svn     15165
 
+# gcc 10 and fno-common FTBFS. This define reverts behaviour to gcc -fcommon.
+# New version from upstream should be OK with fno-common, so remove this define ASAP
+%define _legacy_common_support 1
+
 Name:           pcb-rnd
 Version:        2.2.1
 Release:        1%{?dist}