--- fastjet-3.0.2.ebuild
+++ fastjet-3.0.2.ebuild
@@ -19,6 +19,10 @@
 	doc? ( app-doc/doxygen )
 	plugins? ( virtual/fortran )"
 
+src_prepare() {
+	epatch "${FILESDIR}/${P}-gcc.patch"
+}
+
 src_configure() {
 	use cgal && has_version sci-mathematics/cgal[gmp] && append-ldflags -lgmp
 	myeconfargs+=(