From 382cc8cb398c011a1701c410b747f1e80fa66687 Mon Sep 17 00:00:00 2001
From: Shenghou Ma <minux.ma@gmail.com>
Date: Tue, 29 Apr 2014 00:32:16 -0400
Subject: [PATCH] make.bash: if CC is not set, and gcc doesn't exist, try
 clang/clang++. This should make Go build without setting CC and CXX on newer
 FreeBSDs.

LGTM=iant
R=golang-codereviews, dave, gobot, iant
CC=golang-codereviews
https://golang.org/cl/89230045
---
 src/make.bash | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/make.bash b/src/make.bash
index bfcb5d58ea..0b130b668d 100755
--- a/src/make.bash
+++ b/src/make.bash
@@ -125,6 +125,10 @@ if [ "$(uname)" == "Darwin" ]; then
 	# golang.org/issue/5261
 	mflag="$mflag -mmacosx-version-min=10.6"
 fi
+# if gcc does not exist and $CC is not set, try clang if available.
+if [ -z "$CC" -a -z "$(type -t gcc)" -a -n "$(type -t clang)" ]; then
+	export CC=clang CXX=clang++
+fi
 ${CC:-gcc} $mflag -O2 -Wall -Werror -o cmd/dist/dist -Icmd/dist "$DEFGOROOT" cmd/dist/*.c
 
 # -e doesn't propagate out of eval, so check success by hand.
-- 
2.50.0