Merge pull request #413 from adk9/develop

Add the HPX-5 package to spack.

var/spack/repos/builtin/packages/hpx5/package.py

+from spack import *
+import os
+
+class Hpx5(Package):
+    """The HPX-5 Runtime System. HPX-5 (High Performance ParalleX) is an
+    open source, portable, performance-oriented runtime developed at
+    CREST (Indiana University). HPX-5 provides a distributed
+    programming model allowing programs to run unmodified on systems
+    from a single SMP to large clusters and supercomputers with
+    thousands of nodes. HPX-5 supports a wide variety of Intel and ARM
+    platforms. It is being used by a broad range of scientific
+    applications enabling scientists to write code that performs and
+    scales better than contemporary runtimes."""
+    homepage = "http://hpx.crest.iu.edu"
+    url      = "http://hpx.crest.iu.edu/release/hpx-2.0.0.tar.gz"
+
+    version('2.0.0', '3d2ff3aab6c46481f9ec65c5b2bfe7a6')
+    version('1.3.0', '2260ecc7f850e71a4d365a43017d8cee')
+    version('1.2.0', '4972005f85566af4afe8b71afbf1480f')
+    version('1.1.0', '646afb460ecb7e0eea713a634933ce4f')
+    version('1.0.0', '8020822adf6090bd59ed7fe465f6c6cb')
+
+    variant('debug', default=False, description='Build a debug version of HPX-5')
+    variant('photon', default=False, description='Enable Photon support')
+    variant('mpi', default=False, description='Enable MPI support')
+
+    depends_on("mpi", when='+mpi')
+    depends_on("mpi", when='+photon')
+
+    def install(self, spec, prefix):
+        extra_args = []
+        if '+debug' in spec:
+            extra_args.extend([
+                '--enable-debug',
+                'CFLAGS=-g -O0'
+            ])
+        else:
+            extra_args.append('CFLAGS=-O3')
+
+        if '+mpi' in spec:
+            extra_args.append('--enable-mpi')
+
+        if '+photon' in spec:
+            extra_args.extend([
+                '--enable-mpi',
+                '--enable-photon'
+            ])
+
+        os.chdir("./hpx/")
+        configure('--prefix=%s' % prefix, *extra_args)
+        make()
+        make("install")