dev-cpp/fkYAML: new package, add 0.4.2

Signed-off-by: Pavel Sobolev <contact@paveloom.dev>

dev-cpp/fkYAML/fkYAML-0.4.2.ebuild

@@ -0,0 +1,39 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+DESCRIPTION="A C++ header-only YAML library"
+HOMEPAGE="https://fktn-k.github.io/fkYAML/"
+SRC_URI="https://github.com/fktn-k/fkYAML/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+BDEPEND="
+	test? ( =dev-cpp/catch-2* )
+"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-0.4.2-Remove-the-space-between-operator-and-_yaml.patch"
+	"${FILESDIR}/${PN}-0.4.2-Use-system-Catch2.patch"
+)
+
+src_prepare() {
+	find thirdparty -mindepth 1 -not -name imapdl -delete
+
+	cmake_src_prepare
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DFK_YAML_BUILD_TEST=$(usex test)
+	)
+
+	cmake_src_configure
+}