From 24ba60168d8c0f7a681deca81c4a9bb8ea4cd5d1 Mon Sep 17 00:00:00 2001
From: alalazo <massimiliano.culpo@googlemail.com>
Date: Wed, 6 Jan 2016 09:49:10 +0100
Subject: [PATCH 1/2] added package : glpk

---
 var/spack/packages/glpk/package.py | 43 ++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 var/spack/packages/glpk/package.py

diff --git a/var/spack/packages/glpk/package.py b/var/spack/packages/glpk/package.py
new file mode 100644
index 00000000000..ab1eb1983d6
--- /dev/null
+++ b/var/spack/packages/glpk/package.py
@@ -0,0 +1,43 @@
+##############################################################################
+# Copyright (c) 2013-2015, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Written 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 General Public License (as published by
+# the Free Software Foundation) version 2.1 dated 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 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 Glpk(Package):
+    """
+    The GLPK (GNU Linear Programming Kit) package is intended for solving large-scale linear programming (LP), mixed
+    integer programming (MIP), and other related problems. It is a set of routines written in ANSI C and organized in
+    the form of a callable library
+    """
+    homepage = "https://www.gnu.org/software/glpk"
+    url = "http://ftp.gnu.org/gnu/glpk/glpk-4.57.tar.gz"
+
+    version('4.57', '237531a54f73155842f8defe51aedb0f')
+
+    def install(self, spec, prefix):
+        configure('--prefix=%s' % prefix)
+        make()
+        make("install")

From 7670dc7efcee7b16c7b08b3c2ba6669bcbbcf49b Mon Sep 17 00:00:00 2001
From: alalazo <massimiliano.culpo@googlemail.com>
Date: Wed, 6 Jan 2016 10:05:48 +0100
Subject: [PATCH 2/2] glpk : added support for gmp

---
 var/spack/packages/glpk/package.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/var/spack/packages/glpk/package.py b/var/spack/packages/glpk/package.py
index ab1eb1983d6..855f459fb38 100644
--- a/var/spack/packages/glpk/package.py
+++ b/var/spack/packages/glpk/package.py
@@ -37,7 +37,17 @@ class Glpk(Package):
 
     version('4.57', '237531a54f73155842f8defe51aedb0f')
 
+    variant('gmp', default=False, description='Activates support for GMP library')
+
+    depends_on('gmp', when='+gmp')
+
     def install(self, spec, prefix):
-        configure('--prefix=%s' % prefix)
+
+        options = ['--prefix=%s' % prefix]
+
+        if '+gmp' in spec:
+            options.append('--with-gmp')
+
+        configure(*options)
         make()
         make("install")