dev-libs/unordered_dense: add 3.1.1

Signed-off-by: Huang Rui <vowstar@gmail.com>

dev-libs/unordered_dense/Manifest

@@ -1 +1,2 @@
 DIST unordered_dense-2.0.0.tar.gz 307275 BLAKE2B d579740134a8e67e8487c1d6779bc5ea2bf0b3ab70ce60f3b8b68d1fdabc9b45a099e49500b417f21a3fc4c88d2aadbf96afa7b56a8d7d581a0d3f3f6badf61b SHA512 8c7d582abd2142310b50d835ce3cb9a0731a6f7bc6419d01742860cbcb0ade31aad393c93523b8ff82ce456f6cbab5a3d93f91f95c8eb5f7f960fa4793f57d8d
+DIST unordered_dense-3.1.1.tar.gz 308854 BLAKE2B 3addc3f559cb9de37d0dfd6408b020b2f2d8cd066c565d3cae8b3c834a97c652a10f3272a628feaaddee2442132db8f196d326ee3a766e42841674ee5493c95a SHA512 5cab1affaa8e49e14c4db6c35bd00cf7f9c967e46be65a80b995b0bf78bea1a52d074abd43e4e65b8c102469ef07dface929f83920edef493e8b6af2eaeebafd

dev-libs/unordered_dense/unordered_dense-3.1.1.ebuild

@@ -0,0 +1,37 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="8"
+
+inherit cmake
+
+DESCRIPTION="A fast and densely stored hashmap and hashset"
+HOMEPAGE="https://github.com/martinus/unordered_dense"
+
+if [[ "${PV}" == "9999" ]] ; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/martinus/${PN}.git"
+else
+	SRC_URI="https://github.com/martinus/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64 ~arm64 ~riscv ~x86"
+	S="${WORKDIR}/${P}"
+fi
+
+LICENSE="MIT"
+SLOT="0"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+RDEPEND=""
+
+DEPEND="
+	${RDEPEND}
+"
+
+src_configure() {
+	local mycmakeargs=(
+		-D CMAKE_INSTALL_LIBDIR="${EPREFIX}/usr/$(get_libdir)"
+		-D BUILD_SHARED_LIBS=ON
+	)
+	cmake_src_configure
+}