yyjson: new package (#47563)

* yyjson: new package

* [@spackbot] updating style on behalf of pranav-sivaraman

---------

Co-authored-by: pranav-sivaraman <pranav-sivaraman@users.noreply.github.com>

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

@@ -0,0 +1,23 @@
+# Copyright 2013-2024 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 Yyjson(CMakePackage):
+    """The fastest JSON library in C"""
+
+    homepage = "https://ibireme.github.io/yyjson/doc/doxygen/html/"
+    url = "https://github.com/ibireme/yyjson/archive/refs/tags/0.10.0.tar.gz"
+
+    license("MIT", checked_by="pranav-sivaraman")
+
+    version("0.10.0", sha256="0d901cb2c45c5586e3f3a4245e58c2252d6b24bf4b402723f6179523d389b165")
+
+    depends_on("c", type="build")
+    depends_on("cxx", type="build")  # TODO: test only dependency, but does not work
+
+    def cmake_args(self):
+        return [self.define("YYJSON_BUILD_TESTS", self.run_tests)]