libluv: New package. (#18100)

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

+# Copyright 2013-2020 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 Libluv(CMakePackage):
+    """This library makes libuv available to lua scripts.
+    It was made for the luvit project but should usable from nearly
+    any lua project."""
+
+    homepage = "https://github.com/luvit/luv"
+    url      = "https://github.com/luvit/luv/releases/download/1.36.0-0/luv-1.36.0-0.tar.gz"
+
+    version('1.36.0-0', sha256='f2e7eb372574f25c6978c1dc74280d22efdcd7df2dda4a286c7fe7dceda26445')
+
+    depends_on('lua', type='link')
+    depends_on('libuv', type='link')
+
+    def cmake_args(self):
+        args = [
+            '-DLUA_BUILD_TYPE=System',
+            '-DBUILD_STATIC_LIBS=ON',
+            '-DBUILD_SHARED_LIBS=ON',
+            '-DWITH_SHARED_LIBUV=ON',
+            '-DWITH_LUA_ENGINE=Lua',
+        ]
+        return args