dev-libs/cJSON: Sync with Gentoo

It's from Gentoo commit 81a8cc22db07feeee4645b1deb16d2b2d06ab072.

sdk_container/src/third_party/portage-stable/dev-libs/cJSON/Manifest

@@ -1 +1,2 @@
 DIST cJSON-1.7.16.tar.gz 353498 BLAKE2B 9dd519b03b24e46fd84798af32d733cec8803d3f5a4b9259352ffe7b1ba0b198a3b4dc0dbdb9cc6247787e49c48beaadc7c31368d8fd695a8ddd711cc0cbfa5b SHA512 3a894de03c33d89f1e7ee572418d5483c844d38e1e64aa4f6297ddaa01f4111f07601f8d26617b424b5af15d469e3955dae075d9f30b5c25e16ec348fdb06e6f
+DIST cJSON-1.7.17.tar.gz 353748 BLAKE2B 11d47bebc4b6b3a8115234706f1b35af0f450725c2ee36aaf563a5d44e20a7bc0e2b83aaf15aeea3146bdad7467e96bf7d6edcd79ad4f3e5a9ffe40f002cf8d5 SHA512 4feebafa5225297fa3e6a7bf23f8d31b5c3e172f437078c5a07528522ad58ca2e9c72dd9e8611241d2b8321e9aa0a1a9af7743689d1c2001d1d9cb624aae6fa8

sdk_container/src/third_party/portage-stable/dev-libs/cJSON/cJSON-1.7.17.ebuild

@@ -0,0 +1,30 @@
+# Copyright 2021-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake
+
+DESCRIPTION="Ultralightweight JSON parser in ANSI C"
+HOMEPAGE="https://github.com/DaveGamble/cJSON"
+SRC_URI="https://github.com/DaveGamble/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+src_prepare() {
+	cmake_src_prepare
+
+	sed -i -e '/-Werror/d' CMakeLists.txt || die
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DENABLE_CJSON_TEST=$(usex test)
+	)
+
+	cmake_src_configure
+}