--- gcc-7.1.0-r1.ebuild.orig	2017-08-19 18:50:39.632943540 +0100
+++ gcc-7.1.0-r1.ebuild	2017-08-19 18:49:17.352942876 +0100
@@ -21,4 +21,6 @@
 
 src_prepare() {
 	toolchain_src_prepare
+
+	epatch "${FILESDIR}"/6.3.0/0001-Remove-P-macro-gnat-makefile.patch
 }