From 19c1c70e1a72ab41779c7c1c8db2e64353110a99 Mon Sep 17 00:00:00 2001
From: Juergen Buchmueller <pullmoll@t-online.de>
Date: Tue, 20 Sep 2016 10:23:25 +0200
Subject: [PATCH] go: fix gcc6 build of bootstrap_go

---
 srcpkgs/go/template | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/srcpkgs/go/template b/srcpkgs/go/template
index cc65bfd5788..dbcca4594d0 100644
--- a/srcpkgs/go/template
+++ b/srcpkgs/go/template
@@ -2,7 +2,7 @@
 pkgname=go
 _bootstrap_version=1.4.2
 version=1.7.1
-revision=2
+revision=3
 wrksrc=go
 hostmakedepends="git ca-certificates"
 short_desc="The Go Programming Language"
@@ -43,6 +43,10 @@ do_extract() {
 
 	tar -xf "${XBPS_SRCDISTDIR}/${pkgname}-${version}/go${version}.src.tar.gz" \
 		-C "${XBPS_BUILDDIR}/go" --strip-components=1
+
+	# Fix a gcc6 warning regarding signed shift left
+	sed -i ${XBPS_BUILDDIR}/go_bootstrap/src/cmd/6c/txt.c \
+		-e's;f->vconst |= (vlong)~0 << 32;f->vconst = (vlong)(~0ull << 32);'
 }
 
 do_build() {