diff --git a/var/spack/repos/builtin/packages/ape/package.py b/var/spack/repos/builtin/packages/ape/package.py
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+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class Ape(Package):
+    """A tool for generating atomic pseudopotentials within a Density-Functional
+    Theory framework"""
+
+    homepage = "http://www.tddft.org/programs/APE/"
+    url      = "http://www.tddft.org/programs/APE/sites/default/files/ape-2.2.1.tar.gz"
+
+    version('2.2.1', 'ab81da85bd749c0c136af088c7f9ad58')
+
+    depends_on('gsl')
+    depends_on('libxc')
+
+    def install(self, spec, prefix):
+        args = []
+        args.extend([
+            '--prefix=%s' % prefix,
+            '--with-gsl-prefix=%s'   % spec['gsl'].prefix,
+            '--with-libxc-prefix=%s' % spec['libxc'].prefix
+        ])
+
+        if spec.satisfies('%clang') or spec.satisfies('%gcc'):
+            args.extend([
+                'FCFLAGS=-O2 -ffree-line-length-none'
+            ])
+
+        configure(*args)
+        make()
+        make('install')