--- /dev/null
+# Copyright 2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python{3_6,3_7} )
+
+inherit cmake-utils python-r1
+
+ROS_PN="ament_cmake"
+DESCRIPTION="The core of the ament buildsystem in CMake"
+HOMEPAGE="https://github.com/ament/ament_cmake"
+SRC_URI="https://github.com/ament/ament_cmake/archive/${PV}.tar.gz -> ${ROS_PN}-${PV}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE=""
+
+DEPEND="
+ dev-ros/ament_cmake_core[${PYTHON_USEDEP}]
+"
+RDEPEND="${DEPEND}"
+BDEPEND="${PYTHON_DEPS}"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+S="${WORKDIR}/${ROS_PN}-${PV}/${PN}"
+
+src_configure() {
+ # This is a build tool that does not install python-related files
+ # ... but we need to propagate the deps and use python3 to build it.
+ local pyimpl="${PYTHON_COMPAT[0]}"
+ python_export "${pyimpl}" EPYTHON PYTHON
+ python_wrapper_setup
+ cmake-utils_src_configure
+}
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+ <maintainer type="project">
+ <email>ros@gentoo.org</email>
+ <name>Gentoo ROS Project</name>
+ </maintainer>
+ <upstream>
+ <remote-id type="github">ament/ament_cmake</remote-id>
+ </upstream>
+</pkgmetadata>