diff --git a/srcpkgs/eukleides/template b/srcpkgs/eukleides/template
index be405403cb8..18543b392ca 100644
--- a/srcpkgs/eukleides/template
+++ b/srcpkgs/eukleides/template
@@ -13,6 +13,8 @@ distfiles="http://www.eukleides.org/files/${pkgname}-${version}.tar.bz2"
 checksum=18c489460cb2cb98f4ea9c0187519ef77b4422117fd43bcd4e4836580ef40c69
 disable_parallel_build=yes
 
+CFLAGS="-fcommon"
+
 post_extract() {
 	sed -i -e 's/^CFLAGS =/override CFLAGS +=/' \
 		-e 's/^LDFLAGS =/override LDFLAGS +=/' \