From 047c6ec6dabdc646b3e98531d6c8f0905aebc4a3 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Wed, 8 Oct 2008 09:46:20 -0700
Subject: [PATCH] check $GOROOT before diving into build

R=r
DELTA=6  (6 added, 0 deleted, 0 changed)
OCL=16726
CL=16726
---
 src/make.bash | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/make.bash b/src/make.bash
index 3ff193145e..df70e41f48 100755
--- a/src/make.bash
+++ b/src/make.bash
@@ -6,6 +6,12 @@
 set -e
 export MAKEFLAGS=-j4
 
+if ! test -f $GOROOT/include/u.h
+then
+	echo '$GOROOT is not set correctly or not exported' 1>&2
+	exit 1
+fi
+
 bash clean.bash
 
 for i in lib9 libbio libmach_amd64 libregexp cmd runtime lib
-- 
2.50.0