plplot 5.9.9

Closes Homebrew/homebrew#16725.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/plplot.rb

@@ -0,0 +1,19 @@
+require 'formula'
+
+class Plplot < Formula
+  homepage 'http://plplot.sourceforge.net'
+  url 'http://sourceforge.net/projects/plplot/files/plplot/5.9.9%20Source/plplot-5.9.9.tar.gz'
+  sha1 '3df8fc21723e14af62fea4098e4ef019e1b52a54'
+
+  depends_on 'cmake' => :build
+  depends_on 'pkg-config' => :build
+  depends_on 'pango'
+
+  def install
+    mkdir "plplot-build" do
+      system "cmake", "..", *std_cmake_args
+      system "make"
+      system "make install"
+    end
+  end
+end