From bf3433bde788b84c2005e373bbde4b8bcf75d63c Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Sat, 10 Sep 2011 11:24:29 +0100
Subject: With xcodebuild don't set CC, CXX, etc.

The compiler setting in the xcodeproj is overridden by the CC setting in the environment. This is a bit insane IMO since the xcodeproj itself has detailed decisions about what tools to use.

Fixes Homebrew/homebrew#6406.

---
 Library/Homebrew/extend/ENV.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'Library/Homebrew/extend')

diff --git a/Library/Homebrew/extend/ENV.rb b/Library/Homebrew/extend/ENV.rb
index abad5e76a..88cb5e2ac 100644
--- a/Library/Homebrew/extend/ENV.rb
+++ b/Library/Homebrew/extend/ENV.rb
@@ -351,4 +351,13 @@ Please take one of the following actions:
       Hardware.processor_count
     end
   end
+
+  def remove_cc_etc
+    keys = %w{CC CXX LD CPP LDFLAGS CFLAGS CPPFLAGS}
+    removed = Hash[*keys.map{ |key| [key, ENV[key]] }.flatten]
+    keys.each do |key|
+      ENV[key] = nil
+    end
+    removed
+  end
 end
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