dev-cpp/cli11: add 2.3.1, drop 2.2.0

Signed-off-by: Anna (cybertailor) Vyalkova <cyber+gentoo@sysrq.in>

dev-cpp/cli11/cli11-2.3.1.ebuild

@@ -0,0 +1,41 @@
+# Copyright 2021-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DOCS_BUILDER="doxygen"
+DOCS_DIR="docs"
+inherit cmake docs
+
+DESCRIPTION="Command line parser for C++11"
+HOMEPAGE="https://github.com/CLIUtils/CLI11 https://cliutils.github.io/CLI11/book/"
+SRC_URI="https://github.com/CLIUtils/${PN}/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/CLI11-${PV}"
+
+LICENSE="BSD"
+SLOT="0/2"
+KEYWORDS="~amd64 ~x86"
+
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+DEPEND="test? (
+	<dev-cpp/catch-3:0
+	dev-libs/boost
+)"
+
+DOCS=( README.md CHANGELOG.md )
+
+src_configure() {
+	local mycmakeargs=(
+		-DCLI11_BUILD_DOCS=OFF  # handled by docs.eclass
+		-DCLI11_BUILD_TESTS=$(usex test)
+	)
+
+	cmake_src_configure
+}
+
+src_compile() {
+	cmake_src_compile
+	docs_compile
+}