From ba0cfd3582702aa957edf37338c4e8f3391c65bf Mon Sep 17 00:00:00 2001
From: Jack Nagel
Date: Fri, 15 Nov 2013 00:15:50 -0600
Subject: Improve heuristic for detecting configure

---
 Library/Homebrew/extend/ENV/super.rb | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'Library/Homebrew')

diff --git a/Library/Homebrew/extend/ENV/super.rb b/Library/Homebrew/extend/ENV/super.rb
index a71e4075c..889ac58a0 100644
--- a/Library/Homebrew/extend/ENV/super.rb
+++ b/Library/Homebrew/extend/ENV/super.rb
@@ -53,9 +53,9 @@ module Superenv
     delete('GREP_OPTIONS') # can break CMake
     delete('CLICOLOR_FORCE') # autotools doesn't like this
 
-    # Configure scripts generated by autoconf 2.56 or later export DUALCASE,
-    # which we use as a heuristic for running under configure
-    delete('DUALCASE')
+    # Configure scripts generated by autoconf 2.61 or later export as_nl, which
+    # we use as a heuristic for running under configure
+    delete('as_nl')
   end
 
   def setup_build_environment(formula=nil)
-- 
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