c-raft: add new package (#35735)

Co-authored-by: Massimiliano Culpo <massimiliano.culpo@gmail.com>

var/spack/repos/builtin/packages/c-raft/package.py

@@ -0,0 +1,37 @@
+# Copyright 2013-2022 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.package import *
+
+
+class CRaft(AutotoolsPackage):
+    """C implementation of the Raft consensus protocol."""
+
+    homepage = "https://raft.readthedocs.io/en/latest/"
+    git = "https://github.com/canonical/raft.git"
+    url = "https://github.com/canonical/raft/archive/refs/tags/v0.17.1.tar.gz"
+
+    maintainers = ["mdorier"]
+
+    version("master", branch="master")
+    version("0.17.1", sha256="e31c7fafbdd5f94913161c5d64341a203364e512524b47295c97a91e83c4198b")
+
+    depends_on("autoconf", type="build")
+    depends_on("automake", type="build")
+    depends_on("libtool", type="build")
+    depends_on("m4", type="build")
+
+    variant("uv", default=True, description="Enable libuv support")
+
+    depends_on("libuv@1.18.0:", when="+uv")
+
+    def autoreconf(self, spec, prefix):
+        autoreconf("--install", "--verbose", "--force")
+
+    def configure_args(self):
+        args = ["--disable-lz4"]
+        args += self.enable_or_disable("uv")
+        return args