--- /dev/null
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit elisp-common qmake-utils xdg
+
+SITEFILE="50${PN}-gentoo.el"
+
+DESCRIPTION="The Programmers Solid 3D CAD Modeller"
+HOMEPAGE="https://www.openscad.org/"
+SRC_URI="https://github.com/${PN}/${PN}/releases/download/${P}/${P}.src.tar.gz -> ${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="emacs"
+
+# FIXME: add optional lib3mf
+RDEPEND="
+ dev-cpp/eigen:3
+ dev-libs/boost:=
+ dev-libs/double-conversion:=
+ dev-libs/glib:2
+ dev-libs/gmp:0=
+ dev-libs/hidapi
+ dev-libs/libspnav
+ dev-libs/libzip:=
+ dev-libs/mpfr:0=
+ dev-qt/qtconcurrent:5
+ dev-qt/qtcore:5
+ dev-qt/qtdbus:5
+ dev-qt/qtgui:5[-gles2]
+ dev-qt/qtmultimedia:5
+ dev-qt/qtnetwork:5
+ dev-qt/qtopengl:5
+ dev-qt/qtwidgets:5
+ media-gfx/opencsg
+ media-libs/fontconfig
+ media-libs/freetype
+ >=media-libs/glew-2.0.0:0=
+ media-libs/harfbuzz:=
+ sci-mathematics/cgal:=
+ >=x11-libs/qscintilla-2.10.3:=
+ emacs? ( virtual/emacs )
+"
+DEPEND="${RDEPEND}"
+BDEPEND="
+ sys-devel/bison
+ sys-devel/flex
+ virtual/pkgconfig
+"
+
+src_prepare() {
+ default
+
+ # fix path prefix
+ sed -i "s/\/usr\/local/\/usr/g" ${PN}.pro || die
+}
+
+src_configure() {
+ eqmake5 "${PN}.pro"
+}
+
+src_compile() {
+ default
+
+ if use emacs ; then
+ elisp-compile contrib/*.el
+ fi
+}
+
+src_install() {
+ emake install INSTALL_ROOT="${D}"
+
+ if use emacs; then
+ elisp-site-file-install "${FILESDIR}/${SITEFILE}"
+ elisp-install ${PN} contrib/*.el contrib/*.elc
+ fi
+
+ einstalldocs
+}