Add gl2ps and qrupdate packages

var/spack/repos/builtin/packages/gl2ps/package.py

@@ -0,0 +1,18 @@
+from spack import *
+
+class Gl2ps(Package):
+    """GL2PS is a C library providing high quality vector output for any
+    OpenGL application."""
+
+    homepage = "http://www.geuz.org/gl2ps/"
+    url      = "http://geuz.org/gl2ps/src/gl2ps-1.3.9.tgz"
+
+    version('1.3.9', '377b2bcad62d528e7096e76358f41140')
+
+    depends_on("libpng")
+
+    def install(self, spec, prefix):
+        cmake('.', *std_cmake_args)
+
+        make()
+        make("install")