cogl 1.18.2

Formula/cogl.rb

@@ -2,8 +2,8 @@ require "formula"
 
 class Cogl < Formula
   homepage "http://developer.gnome.org/cogl/"
-  url "http://ftp.gnome.org/pub/gnome/sources/cogl/1.14/cogl-1.14.0.tar.xz"
-  sha256 "276e8c9f5ff0fcd57c1eaf74cc245f41ad469a95a18ac831fac2d5960baa5ae8"
+  url "http://ftp.gnome.org/pub/gnome/sources/cogl/1.18/cogl-1.18.2.tar.xz"
+  sha256 "9278e519d5480eb0379efd48db024e8fdbf93f01dff48a7e756b85b508a863aa"
 
   head do
     url "git://git.gnome.org/cogl"
@@ -21,11 +21,28 @@ class Cogl < Formula
   depends_on :x11 => "2.5.1" if build.with? "x"
   depends_on "gobject-introspection"
 
+  # Lion's grep fails, which later results in compilation failures:
+  # libtool: link: /usr/bin/grep -E -e [really long regexp] ".libs/libcogl.exp" > ".libs/libcogl.expT"
+  # grep: Regular expression too big
+  resource "grep" do
+    url "http://ftpmirror.gnu.org/grep/grep-2.20.tar.xz"
+    mirror "https://ftp.gnu.org/gnu/grep/grep-2.20.tar.xz"
+    sha256 "f0af452bc0d09464b6d089b6d56a0a3c16672e9ed9118fbe37b0b6aeaf069a65"
+  end if MacOS.version == :lion
+
   # Patch from MacPorts, reported upstream at https://bugzilla.gnome.org/show_bug.cgi?id=708825
   # https://trac.macports.org/browser/trunk/dports/graphics/cogl/files/patch-clock_gettime.diff
   patch :DATA
 
   def install
+    resource("grep").stage do
+      system "./configure", "--disable-dependency-tracking",
+                            "--disable-nls",
+                            "--prefix=#{buildpath}/grep"
+      system "make", "install"
+      ENV["GREP"] = "#{buildpath}/grep/bin/grep"
+    end if MacOS.version == :lion
+
     system "./autogen.sh" if build.head?
     args = %W[
       --disable-dependency-tracking