dev-libs/unordered_dense: bump to 4.8.1

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

dev-libs/unordered_dense/unordered_dense-4.8.1.ebuild

@@ -0,0 +1,30 @@
+# Copyright 1999-2025 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 -> ${P}.tar.gz"
+	KEYWORDS="~amd64 ~arm64 ~ppc64 ~riscv ~x86"
+	S="${WORKDIR}/${P}"
+fi
+
+LICENSE="MIT"
+SLOT="0"
+RESTRICT="test"
+
+src_configure() {
+	local mycmakeargs=(
+		-D CMAKE_INSTALL_LIBDIR="${EPREFIX}/usr/$(get_libdir)"
+		-D BUILD_SHARED_LIBS=ON
+	)
+	cmake_src_configure
+}