libQGLViewer: add new package (#20164)

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

@@ -0,0 +1,25 @@
+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+
+class Libqglviewer(QMakePackage):
+    """libQGLViewer is a C++ library based on Qt that eases the creation of
+    OpenGL 3D viewers."""
+
+    homepage = "http://libqglviewer.com/"
+    url      = "http://libqglviewer.com/src/libQGLViewer-2.7.2.tar.gz"
+    git      = "https://github.com/GillesDebunne/libQGLViewer.git"
+
+    version('2.7.2', sha256='e2d2799dec5cff74548e951556a1fa06a11d9bcde2ce6593f9c27a17543b7c08')
+
+    # http://libqglviewer.com/installUnix.html
+
+    depends_on('qt+opengl')
+    depends_on('freeglut', when='^qt@:3.0')
+
+    build_directory = 'QGLViewer'
+
+    def qmake_args(self):
+        return ['PREFIX=' + self.prefix]