From 0f499ac7bee6390d640ff3c636ea026fb47b4ad9 Mon Sep 17 00:00:00 2001
From: Jack Nagel
Date: Thu, 19 Jan 2012 22:54:28 -0600
Subject: Don't append an empty value to CFLAGS

Appending an empty string results in an extraneous space character.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
---
 Library/Homebrew/extend/ENV.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Library')

diff --git a/Library/Homebrew/extend/ENV.rb b/Library/Homebrew/extend/ENV.rb
index 610f50633..c02071c09 100644
--- a/Library/Homebrew/extend/ENV.rb
+++ b/Library/Homebrew/extend/ENV.rb
@@ -284,7 +284,7 @@ Please take one of the following actions:
     remove_from_cflags %r{( -Xclang \S+)+}
     remove_from_cflags %r{-mssse3}
     remove_from_cflags %r{-msse4(\.\d)?}
-    append_to_cflags xarch
+    append_to_cflags xarch unless xarch.empty?
     # Don't set -msse3 and older flags because -march does that for us
     if ARGV.build_bottle?
       if map.has_key?(:bottle)
-- 
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