--- /dev/null
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake-utils eutils flag-o-matic multilib
+
+PATCHSET_VER="0"
+
+DESCRIPTION="versatile implementation of the Prolog programming language"
+HOMEPAGE="http://www.swi-prolog.org/"
+SRC_URI="http://www.swi-prolog.org/download/stable/src/swipl-${PV}.tar.gz"
+
+LICENSE="BSD-2"
+SLOT="0"
+KEYWORDS="~amd64 ~ppc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos"
+IUSE="archive berkdb debug doc +gmp java +libedit libressl minimal odbc pcre qt5 readline ssl test uuid X yaml"
+RESTRICT="!test? ( test )"
+
+RDEPEND="sys-libs/ncurses:=
+ sys-libs/zlib
+ archive? ( app-arch/libarchive )
+ berkdb? ( >=sys-libs/db-4:= )
+ odbc? ( dev-db/unixODBC )
+ pcre? ( dev-libs/libpcre )
+ readline? ( sys-libs/readline:= )
+ libedit? ( dev-libs/libedit )
+ gmp? ( dev-libs/gmp:0 )
+ ssl? (
+ !libressl? ( dev-libs/openssl:0 )
+ libressl? ( dev-libs/libressl )
+ )
+ java? ( >=virtual/jdk-1.7:= )
+ uuid? ( dev-libs/ossp-uuid )
+ qt5? (
+ dev-qt/qtwidgets:5
+ dev-qt/qtgui:5
+ )
+ X? (
+ virtual/jpeg:0
+ x11-libs/libX11
+ x11-libs/libXft
+ x11-libs/libXinerama
+ x11-libs/libXpm
+ x11-libs/libXt
+ x11-libs/libICE
+ x11-libs/libSM )
+ yaml? ( dev-libs/libyaml )"
+
+DEPEND="${RDEPEND}
+ X? ( x11-base/xorg-proto )
+ java? ( test? ( =dev-java/junit-3.8* ) )"
+
+S="${WORKDIR}/swipl-${PV}"
+BUILD_DIR="${S}/build"
+CMAKE_USE_DIR="${S}"
+
+src_prepare() {
+ if [[ -d "${WORKDIR}"/${PV} ]] ; then
+ eapply "${WORKDIR}"/${PV}
+ fi
+ eapply_user
+
+ sed -i -e "s|\(SWIPL_INSTALL_PREFIX\) lib/.*)|\1 $(get_libdir)/swipl)|" CMakeLists.txt || die
+
+ cmake-utils_src_prepare
+}
+
+src_configure() {
+ append-flags -fno-strict-aliasing
+ use debug && append-flags -DO_DEBUG
+
+ mycmakeargs=(
+ -DSWIPL_INSTALL_PREFIX=$(get_libdir)/swipl
+ -DUSE_GMP=$(usex gmp)
+ -DINSTALL_DOCUMENTATION=$(use doc && usex archive)
+ -DSWIPL_PACKAGES_BASIC=$(usex !minimal)
+ -DSWIPL_PACKAGES_ARCHIVE=$(usex archive)
+ -DSWIPL_PACKAGES_ODBC=$(usex odbc)
+ -DSWIPL_PACKAGES_BDB=$(usex berkdb)
+ -DSWIPL_PACKAGES_PCRE=$(usex pcre)
+ -DSWIPL_PACKAGES_YAML=$(usex yaml)
+ -DSWIPL_PACKAGES_SSL=$(usex ssl)
+ -DSWIPL_PACKAGES_JAVA=$(usex java)
+ -DSWIPL_PACKAGES_QT=$(usex qt5)
+ -DSWIPL_PACKAGES_X=$(usex X)
+ -DSWIPL_PACKAGES_TERM=$(if use libedit || use readline; then echo yes; else echo no; fi)
+ )
+
+ cmake-utils_src_configure
+}
+
+src_compile() {
+ XDG_CONFIG_DIRS="${HOME}" \
+ XDG_DATA_DIRS="${HOME}" \
+ cmake-utils_src_compile
+}
+
+src_test() {
+ USE_PUBLIC_NETWORK_TESTS=false \
+ USE_ODBC_TESTS=false \
+ cmake-utils_src_test -V
+}