--- efl-1.20.7.ebuild.old	2018-06-19 03:19:57.000000000 -0500
+++ efl-1.20.7.ebuild	2018-06-20 21:57:39.765676042 -0500
@@ -311,8 +311,8 @@ src_configure() {
 		#--enable-liblz4
 	)
 
-	use fbcon && use egl &&	E_ECONF="${E_ECONF} --enable-eglfs"
-	use X && use xpresent && E_ECONF="${E_ECONF} --enable xpresent"
+	use fbcon && use egl &&	E_ECONF+=( --enable-eglfs )
+	use X && use xpresent && E_ECONF+=( --enable-xpresent )
 
 	enlightenment_src_configure
 }