From 71d3202e3f579eb879c07e73bf0279b15b962d8a Mon Sep 17 00:00:00 2001
From: Jack Nagel
Date: Fri, 2 May 2014 19:34:44 -0500
Subject: twemcache: use ENV.append

---
 Library/Formula/twemcache.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'Library/Formula/twemcache.rb')

diff --git a/Library/Formula/twemcache.rb b/Library/Formula/twemcache.rb
index 84714e6a9..a190668aa 100644
--- a/Library/Formula/twemcache.rb
+++ b/Library/Formula/twemcache.rb
@@ -20,7 +20,8 @@ class Twemcache < Formula
 
     args = ["--prefix=#{prefix}"]
     if build.include? "enable-debug"
-      ENV['CFLAGS'] += "-ggdb3 -O0"
+      ENV.O0
+      ENV.append "CFLAGS", "-ggdb3"
       args << "--enable-debug=full"
     end
 
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