ONNX: add new package (#24384)

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

@@ -0,0 +1,26 @@
+# Copyright 2013-2021 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 *
+
+
+class Onnx(CMakePackage):
+    """Open Neural Network Exchange (ONNX).
+
+    ONNX provides an open source format for AI models, both deep learning and
+    traditional ML. It defines an extensible computation graph model, as well
+    as definitions of built-in operators and standard data types."""
+
+    homepage = "https://github.com/onnx/onnx"
+    url      = "https://github.com/onnx/onnx/archive/refs/tags/v1.9.0.tar.gz"
+
+    version('1.9.0', sha256='61d459a5f30604cabec352574119a6685dfd43bfa757cfbff52be9471d5b8ea0')
+
+    depends_on('cmake@3.1:', type='build')
+    depends_on('ninja', type='build')
+    depends_on('python', type='build')
+    depends_on('protobuf')
+
+    generator = 'Ninja'