diff -ru CGI-SpeedyCGI-2.22-orig/src/SpeedyMake.pl CGI-SpeedyCGI-2.22/src/SpeedyMake.pl
--- CGI-SpeedyCGI-2.22-orig/src/SpeedyMake.pl	2013-08-29 10:49:57.000000000 +0300
+++ CGI-SpeedyCGI-2.22/src/SpeedyMake.pl	2020-12-12 06:10:39.820553056 +0200
@@ -235,7 +235,7 @@
 	INC		=> '-I../src -I.',
 	VERSION_FROM	=> '../src/SpeedyCGI.src',
 	PM		=> {},
-	DEFINE		=> $class->extra_defines,
+	DEFINE		=> '-fcommon '.$class->extra_defines,
 	%write_makefile_common
     );
 }