From 4de71c7ef6c4a71af7f0e5fe3fe47b017ec9a791 Mon Sep 17 00:00:00 2001
From: Dave Huseby <dhuseby@mozilla.com>
Date: Wed, 10 Jun 2015 11:27:08 -0700
Subject: [PATCH] allowing fallback to clang on freebsd when needed

---
 configure | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/configure b/configure
index d72fe075983..25ef8013f33 100755
--- a/configure
+++ b/configure
@@ -861,6 +861,16 @@ then
     CFG_DISABLE_JEMALLOC=1
 fi
 
+if [ $CFG_OSTYPE = unknown-freebsd ]
+then
+  CFG_FREEBSD_GCC_VERSION=$("CFG_GCC" --version 2>&1)
+  if [ $? -ne 0 ]
+  then
+    step_msg "GCC not installed on FreeBSD, forcing clang"
+    CFG_ENABLE_CLANG=1
+  fi
+fi
+
 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
 # system, so if we find that gcc is clang, we should just use clang directly.
 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]