zlib-ng: new package (#22346)

var/spack/repos/builtin/packages/zlib-ng/package.py

@@ -0,0 +1,28 @@
+# 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 ZlibNg(CMakePackage):
+    """zlib replacement with optimizations for next generation systems."""
+
+    homepage = "https://github.com/zlib-ng/zlib-ng"
+    url      = "https://github.com/zlib-ng/zlib-ng/archive/2.0.0.tar.gz"
+
+    version('2.0.0', sha256='86993903527d9b12fc543335c19c1d33a93797b3d4d37648b5addae83679ecd8')
+
+    variant('compat', default=False, description='Enable compatibility API')
+    variant('opt', default=True, description='Enable optimizations')
+
+    depends_on('cmake@3.5.1:', type='build')
+
+    def cmake_args(self):
+        args = [
+            self.define_from_variant('ZLIB_COMPAT', 'compat'),
+            self.define_from_variant('WITH_OPTIM', 'opt'),
+        ]
+
+        return args