aalib: needs ENV.x11

Formula/aalib.rb

@@ -1,20 +1,26 @@
 require 'formula'
 
 class Aalib < Formula
-  url 'http://downloads.sourceforge.net/aa-project/aalib-1.4rc4.tar.gz'
   homepage 'http://aa-project.sourceforge.net/aalib/'
+  url 'http://downloads.sourceforge.net/aa-project/aalib-1.4rc4.tar.gz'
   md5 'd5aa8e9eae07b7441298b5c30490f6a6'
 
+  # Fix malloc/stdlib issue on OS X
   def patches
     DATA
   end
 
   def install
+    # Build fails some of the time without `ENV.x11`!
+    # See: https://github.com/mxcl/homebrew/pull/10356
+    ENV.x11
     ENV.ncurses_define
     system 'autoreconf --force --install'
     system "./configure", "--disable-debug", "--disable-dependency-tracking",
-                          "--mandir=#{man}", "--infodir=#{info}",
-                          "--prefix=#{prefix}", "--enable-shared=yes", "--enable-static=yes"
+                          "--prefix=#{prefix}",
+                          "--mandir=#{man}",
+                          "--infodir=#{info}",
+                          "--enable-shared=yes", "--enable-static=yes"
     system "make install"
   end
 end