--- a/openlibm-0.5.4.ebuild	2017-04-22 12:03:08.000000000 -0400
+++ b/openlibm-0.5.4.ebuild	2019-02-27 11:34:07.756225889 -0500
@@ -15,8 +15,12 @@
 
 IUSE="static-libs"
 
+src_compile() {
+	emake ARCH=
+}
+
 src_install() {
-	emake DESTDIR="${D}" prefix="${EPREFIX}/usr" \
+	emake ARCH= DESTDIR="${D}" prefix="${EPREFIX}/usr" \
 		libdir="${EPREFIX}/usr/$(get_libdir)" install
 	use static-libs || rm "${D}/${EPREFIX}/usr/$(get_libdir)/libopenlibm.a" || die "rm failed"
 	dodoc README.md