--- rust-1.23.0-r1.ebuild.orig	2018-01-29 19:38:52.160505318 +0100
+++ rust-1.23.0-r1.ebuild	2018-01-29 19:39:32.797490574 +0100
@@ -119,7 +119,7 @@
 }
 
 src_compile() {
-	./x.py build --verbose --config="${S}"/config.toml || die
+	./x.py build --verbose --config="${S}"/config.toml ${MAKEOPTS} || die
 }
 
 src_install() {