runtime: separate out auto-generated files, take 2
This is like the ill-fated CL 5493063 except that
I have written a shell script (autogen.sh) instead of
thinking I could possibly write a correct Makefile.
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5496075
diff --git a/src/pkg/runtime/defs_linux.go b/src/pkg/runtime/defs_linux.go
index bbaab2d..c0275e1 100644
--- a/src/pkg/runtime/defs_linux.go
+++ b/src/pkg/runtime/defs_linux.go
@@ -2,6 +2,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
+// +build ignore
+
/*
Input to cgo -cdefs
