From c35887b6f3cce380feb8fc7502e8287d97ce8f5f Mon Sep 17 00:00:00 2001
From: Max Howell <max@methylblue.com>
Date: Sun, 8 Nov 2009 16:22:15 +0000
Subject: [PATCH] Warn users about Xcode versions that are too old

Closes Homebrew/homebrew#116
---
 bin/brew | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/bin/brew b/bin/brew
index 8fcd276c1f..a961c9bdaa 100755
--- a/bin/brew
+++ b/bin/brew
@@ -205,6 +205,9 @@ begin
     if MACOS_VERSION >= 10.6
       `/Developer/usr/bin/llvm-gcc-4.2 -v 2>&1` =~ /LLVM build (\d{4,})/
       opoo "You should upgrade to Xcode 3.2.1" if $1.to_i < 2206
+    else
+      `/usr/bin/gcc-4.2 -v 2>&1` =~ /build (\d{4,})/
+      opoo "You should upgrade to Xcode 3.1" if $1.to_i < 5577
     end
 
     if macports_or_fink_installed?