From a379fc7f7996dafaf40c926ae5b16ef3b7665589 Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Sun, 20 Apr 2014 22:39:47 -0500
Subject: [PATCH] Remove nil split monkeypatch

---
 Library/ENV/4.3/cc         | 13 +++++++++----
 Library/ENV/libsuperenv.rb |  1 -
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/Library/ENV/4.3/cc b/Library/ENV/4.3/cc
index 13ad9d7a4a..cfa68f6cff 100755
--- a/Library/ENV/4.3/cc
+++ b/Library/ENV/4.3/cc
@@ -217,15 +217,17 @@ class Cmd
     syspath.map{|d| "#{d}/lib" }.reject{|d| d == "#{brewfix}/lib" }
   end
   def cpath
-    cpath = ENV['CMAKE_PREFIX_PATH'].split(':').map{|d| "#{d}/include" } + ENV['CMAKE_INCLUDE_PATH'].split(':')
+    cpath  = path_split("CMAKE_PREFIX_PATH").map! { |d| File.join(d, "include") }
+    cpath += path_split("CMAKE_INCLUDE_PATH")
     opt = cpath.grep(%r{^#{Regexp.escape(brewfix)}/opt})
     sys = cpath - opt
     [sys, opt]
   end
   def libpath
-    ENV['CMAKE_PREFIX_PATH'].split(':').map{|d| "#{d}/lib" } +
-    ENV['CMAKE_LIBRARY_PATH'].split(':') -
-    syslibpath
+    libpath  = path_split("CMAKE_PREFIX_PATH").map! { |d| File.join(d, "lib") }
+    libpath += path_split("CMAKE_LIBRARY_PATH")
+    libpath -= syslibpath
+    libpath
   end
   def ldflags
     args = path_flags("-L", libpath)
@@ -278,6 +280,9 @@ class Cmd
     paths = paths.uniq.select { |path| File.directory?(path) }
     paths.map! { |path| prefix + path }
   end
+  def path_split(key)
+    ENV.fetch(key) { "" }.split(File::PATH_SEPARATOR)
+  end
 end
 
 if __FILE__ == $PROGRAM_NAME
diff --git a/Library/ENV/libsuperenv.rb b/Library/ENV/libsuperenv.rb
index 1b4ffa19db..658d5d9eaa 100644
--- a/Library/ENV/libsuperenv.rb
+++ b/Library/ENV/libsuperenv.rb
@@ -11,5 +11,4 @@ end
 
 class NilClass
   def chuzzle; end
-  def split(x); [] end
 end