1 files changed, 56 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/axl/package.py b/var/spack/repos/builtin/packages/axl/package.py
new file mode 100644
index 0000000000..c4118b58f7
--- /dev/null
+++ b/var/spack/repos/builtin/packages/axl/package.py
@@ -0,0 +1,56 @@
+# Copyright 2013-2018 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)
+
+from spack import *
+from spack.error import SpackError
+
+
+def async_api_validator(values):
+    if 'none' in values and len(values) != 1:
+        raise SpackError("The value 'none' is not usable"
+                         " with other async_api values.")
+    if 'ibm_bbapi' in values and 'cray_dw' in values:
+        raise SpackError("The 'ibm_bbapi' and 'cray_dw' asynchronous"
+                         " APIs are incompatible.")
+
+
+class Axl(CMakePackage):
+    """Asynchronous transfer library"""
+
+    homepage = "https://github.com/ECP-VeloC/AXL"
+    url      = "https://github.com/ECP-VeloC/AXL/archive/v0.1.0.zip"
+    git      = "https://github.com/ecp-veloc/axl.git"
+
+    tags = ['ecp']
+
+    version('master', branch='master')
+    version('0.1.1', sha256='7ec0417447c5a3cc0b6e46ff3f646984410c77e6c2081cf0c748781384be739b')
+
+    variant('async_api', default='daemon',
+            description="Set of async transfer APIs to enable",
+            values=['cray_dw', 'ibm_bbapi', 'daemon', 'none'], multi=True,
+            validator=async_api_validator)
+
+    # not-yet implemented functionality
+    conflicts('async_api=cray_dw', when='@0.1.0')
+    conflicts('async_api=ibm_bbapi', when='@0.1.0')
+
+    depends_on('kvtree')
+
+    def cmake_args(self):
+        args = []
+        if self.spec.satisfies('platform=cray'):
+            args.append("-DAXL_LINK_STATIC=ON")
+        args.append("-DWITH_KVTREE_PREFIX=%s" % self.spec['kvtree'].prefix)
+
+        apis = list(self.spec.variants['async_api'].value)
+        if 'daemon' in apis:
+            args.append('-DAXL_ASYNC_DAEMON=ON')
+            apis.remove('daemon')
+
+        for api in apis:
+            args.append('-DAXL_ASYNC_API={0}'.format(api))
+
+        return args