From 175829b8b5a24efaa46e18d2a0d0b1f59d14e72d Mon Sep 17 00:00:00 2001
From: Charles Pigott <charlespigott@googlemail.com>
Date: Mon, 24 Sep 2018 22:18:58 +0100
Subject: Fix #6880: [OSX] Clang version detection

---
 config.lib | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/config.lib b/config.lib
index 2d2f864d7..c5b7ee09c 100644
--- a/config.lib
+++ b/config.lib
@@ -1331,7 +1331,8 @@ make_compiler_cflags() {
 		fi
 	elif echo "$version_line" | grep -q "clang"; then
 		# Enable some things only for certain clang versions
-		cc_version="`$1 -v 2>&1 | head -n 1 | sed s@[^0-9]@@g | cut -c 1-2`"
+		# Need to try really hard to get the version line, because OSX clang likes to hide its true version
+		cc_version="`$1 -v 2>&1 | grep -i version | head -n 1 | sed s@[^0-9]@@g | cut -c 1-2`"
 
 		# aliasing rules are not held in openttd code
 		flags="$flags -fno-strict-aliasing"
-- 
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