pyxplot 0.9.2

Closes Homebrew/homebrew#19070.

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

Formula/pyxplot.rb

@@ -0,0 +1,28 @@
+require 'formula'
+
+class Pyxplot < Formula
+  homepage 'http://pyxplot.org.uk/'
+  url 'http://pyxplot.org.uk/src/pyxplot_0.9.2.tar.gz'
+  sha1 '5f09399bd00a4ae94a07ac186cf0e8e7761de625'
+
+  depends_on :x11
+  depends_on :tex
+  depends_on 'fftw'
+  depends_on 'cfitsio' => :recommended
+  depends_on 'gv' => :recommended
+  depends_on 'wget' => :recommended
+  depends_on 'ghostscript' => 'with-x11'
+  depends_on 'gsl'
+  depends_on 'imagemagick'
+  depends_on 'libpng'
+  depends_on 'readline'
+
+  def install
+    # changes install directory to Cellar, per instructions
+    inreplace "Makefile.skel" do |s|
+      s.change_make_var! 'USRDIR', prefix
+    end
+    system "./configure"
+    system "make install"
+  end
+end