mesalib-glw: import from homebrew/x11.

Remove `--enable-static` option which doesn't seem to work.

Skip adding a test for now for speed of tearing down homebrew/x11.

Closes #9324.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/mesalib-glw.rb

@@ -0,0 +1,33 @@
+class MesalibGlw < Formula
+  homepage "http://www.mesa3d.org"
+  url "https://downloads.sourceforge.net/project/mesa3d/MesaLib/7.2/MesaLib-7.2.tar.gz"
+  sha256 "a7b7cc8201006685184e7348c47cb76aecf71be81475c71c35e3f5fe9de909c6"
+
+  depends_on :x11
+
+  def install
+    system "./configure", "--disable-debug",
+                          "--disable-dependency-tracking",
+                          "--prefix=#{prefix}",
+                          "--with-driver=xlib",
+                          "--disable-gl-osmesa",
+                          "--disable-glu",
+                          "--disable-glut"
+
+    inreplace "configs/autoconf" do |s|
+      s.gsub! /.so/, ".dylib"
+      s.gsub! /SRC_DIRS = mesa glw/, "SRC_DIRS = glw"
+      s.gsub! %r{-L\$\(TOP\)/\$\(LIB_DIR\)}, "-L#{MacOS::X11.lib}"
+    end
+
+    inreplace "src/glw/Makefile" do |s|
+      s.gsub! %r{-I\$\(TOP\)/include }, ""
+    end
+
+    system "make"
+
+    (include+"GL").mkpath
+    (include+"GL").install Dir["src/glw/*.h"]
+    lib.install Dir["lib/*"]
+  end
+end