From 9d891c0d5e41c91d67fbcdfa470160cbdc5eb7d0 Mon Sep 17 00:00:00 2001
From: Adam Vandenberg
Date: Tue, 10 May 2011 20:32:56 -0700
Subject: mlton: add warning about non-/usr/local installs

---
 Library/Formula/mlton.rb | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'Library/Formula')

diff --git a/Library/Formula/mlton.rb b/Library/Formula/mlton.rb
index 82b0bbecf..fecafeb2c 100644
--- a/Library/Formula/mlton.rb
+++ b/Library/Formula/mlton.rb
@@ -15,6 +15,13 @@ class Mlton < Formula
   skip_clean :all
 
   def install
+    unless HOMEBREW_PREFIX.to_s == "/usr/local"
+      opoo "mlton won't work outside of /usr/local."
+      puts "Because this uses pre-compiled binaries, it will not work if"
+      puts "Homebrew is installed somewhere other than /usr/local; mlton"
+      puts "will be unable to find GMP."
+    end
+
     Dir.chdir "local" do
       # Remove OS X droppings
       rm Dir["man/man1/._*"]
-- 
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