add libcircle package

var/spack/packages/libcircle/package.py

@@ -0,0 +1,22 @@
+import os
+from spack import *
+
+class Libcircle(Package):
+    """libcircle provides an efficient distributed queue on a cluster, using self-stabilizing work stealing."""
+
+    homepage = "https://github.com/hpc/libcircle"
+    #url      = "https://github.com/hpc/lwgrp/releases/download/v1.0.2/lwgrp-1.0.2.tar.gz"
+    url      = "https://github.com/adammoody/libcircle/releases/download/v0.2.1-rc.1/libcircle-0.2.1-rc.1.tar.gz"
+
+    versions = { '0.2.1-rc.1' : 'a10a14e76ac2ad7357a4b21b794e8e4e' }
+
+    # need this hack because the URL plus version string below confuses URL expansion
+    # at url_for_version() in lib/spack/package.py
+    force_url = True
+
+    depends_on('mpi')
+
+    def install(self, spec, prefix):
+        configure("--prefix=" + prefix)
+        make()
+        make("install")