From a94eb66099a76b3fc52f08fb25ee40726bc58ccc Mon Sep 17 00:00:00 2001
From: Shigeki Ohtsu <ohtsu@ohtsu.org>
Date: Fri, 3 Mar 2017 15:22:08 +0900
Subject: [PATCH] build: fix llvm version detection in freebsd-10

In FreeBSD-10, the banner of clang version is "FreeBSD clang version".
Fix regex to detect it.

PR-URL: https://github.com/nodejs/node/pull/11668
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
---
 configure | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index da4794bf9ecd..20d53b20ef7e 100755
--- a/configure
+++ b/configure
@@ -571,11 +571,11 @@ def get_version_helper(cc, regexp):
 
 def get_llvm_version(cc):
   return get_version_helper(
-      cc, r"(^clang version|based on LLVM) ([3-9]\.[0-9]+)")
+    cc, r"(^(?:FreeBSD )?clang version|based on LLVM) ([3-9]\.[0-9]+)")
 
 def get_xcode_version(cc):
   return get_version_helper(
-      cc, r"(^Apple LLVM version) ([5-9]\.[0-9]+)")
+    cc, r"(^Apple LLVM version) ([5-9]\.[0-9]+)")
 
 def get_gas_version(cc):
   try: