dev-libs/atl: new package, add 2.2.1

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-libs/atl/Manifest

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+DIST atl-2.2.1.gh.tar.gz 36765 BLAKE2B 6bba939452f86e1021555e860704a76a28f99dee575d8d3ea8bd431ff2b37ac27bf60745af625fd69980d8bfea46d620f5de7a2d68371a4bbaba06bab8a3f331 SHA512 c0372fa1e16e674a6d079dfd783a383bea4283c6b25e379d94e09100ae3c9195112fdade2551e16e435475e04af9086f51a370181d93c6c927677c7f14de5a61

dev-libs/atl/atl-2.2.1.ebuild

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+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+DESCRIPTION="Library for the creation and manipulation of lists"
+HOMEPAGE="https://github.com/GTkorvo/atl"
+SRC_URI="https://github.com/GTKorvo/${PN}/archive/refs/tags/v${PV}.tar.gz -> ${P}.gh.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="test +utilities"
+
+RESTRICT="!test? ( test )"
+
+src_configure() {
+	local mycmakeargs=(
+		-DATL_INSTALL_HEADERS=ON
+		-DATL_INSTALL_PKGCONFIG=ON
+		-DATL_QUIET=OFF
+		-DBUILD_SHARED_LIBS=ON
+
+		-DATL_LIBRARIES_ONLY=$(usex utilities 'OFF' 'ON')
+		-DBUILD_TESTING=$(usex test)
+	)
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+}

dev-libs/atl/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="person">
+    <email>lssndrbarbieri@gmail.com</email>
+    <name>Alessandro Barbieri</name>
+  </maintainer>
+  <upstream>
+    <bugs-to>https://github.com/GTKorvo/atl/issues</bugs-to>
+    <remote-id type="github">GTKorvo/atl</remote-id>
+  </upstream>
+  <use>
+    <flag name="utilities">Build utilities</flag>
+  </use>
+</pkgmetadata>