New Formula: XMGrace

Closes Homebrew/homebrew#5766.

Signed-off-by: Charlie Sharpsteen <source@sharpsteen.net>

Formula/grace.rb

@@ -0,0 +1,28 @@
+require 'formula'
+
+class Grace < Formula
+  url 'ftp://plasma-gate.weizmann.ac.il/pub/grace/src/grace5/grace-5.1.22.tar.gz'
+  homepage 'http://plasma-gate.weizmann.ac.il/Grace/'
+  md5 '672356466f18fe59ed21a8fb44f9851d'
+
+  depends_on 'libpng'
+  depends_on 'pdflib-lite'
+  depends_on 'jpeg'
+  depends_on 'fftw'
+
+  def install
+    if File.exists?("/usr/OpenMotif")
+      ENV.append 'CFLAGS', "-I/usr/OpenMotif/include"
+      ENV.append 'LDFLAGS',"-L/usr/OpenMotif/lib"
+      system "./configure", "--disable-debug", "--disable-dependency-tracking",
+        "--prefix=#{prefix}", "--with-zlib",
+        "--x-includes=/usr/X11/include",
+        "--x-libraries=/usr/X11/lib",
+        "--with-extra-ldpath=/usr/OpenMotif/lib",
+        "--enable-grace-home=#{prefix}"
+        system "make install"
+    else
+      ohnoe "Please install openmotif from http://www.ist-inc.com/downloads/motif_download.html"
+    end
+  end
+end