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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit elisp-common
MY_PN=Singular
MY_PV=$(ver_rs 3 '')
# Consistency is different...
MY_DIR2=$(ver_cut 1-3 ${PV})
MY_DIR=$(ver_rs 1- '-' ${MY_DIR2})
DESCRIPTION="Computer algebra system for polynomial computations"
HOMEPAGE="https://www.singular.uni-kl.de/ https://github.com/Singular/Singular"
SRC_URI="https://www.singular.uni-kl.de/ftp/pub/Math/${MY_PN}/SOURCES/${MY_DIR}/${PN}-${MY_PV}.tar.gz"
S="${WORKDIR}/${PN}-${MY_DIR2}"
# Most files say "version 2 or version 3 of the License," which is not
# quite GPL-2+, and is why we have listed GPL-2 below. But AFAIK there
# are no GPL-2-only files.
LICENSE="BSD GPL-2 GPL-2+ GPL-3"
SLOT="0"
KEYWORDS="amd64 ~ppc ~riscv ~x86 ~x86-linux"
IUSE="emacs examples polymake +readline static-libs"
# The interactive help uses "info" from sys-apps/texinfo.
RDEPEND="
dev-lang/perl
dev-libs/gmp:0
dev-libs/ntl:=
sci-libs/cddlib
sci-mathematics/flint
sys-apps/texinfo
emacs? ( >=app-editors/emacs-23.1:* )
polymake? ( sci-mathematics/polymake )
readline? ( sys-libs/readline )
"
DEPEND="${RDEPEND}"
SITEFILE=60${PN}-gentoo.el
src_configure() {
local myconf=(
--disable-debug
--disable-doc
--disable-optimizationflags
--disable-pyobject-module
--disable-python
--disable-python-module
--disable-python_module
--enable-factory
--enable-gfanlib
--enable-libfac
--with-flint
--with-gmp
--with-libparse
--with-ntl
--without-python
--without-pythonmodule
$(use_enable emacs)
$(use_enable polymake polymake-module)
$(use_enable static-libs static)
$(use_with readline)
)
econf "${myconf[@]}"
}
src_compile() {
default
if use emacs; then
pushd "${S}"/emacs
elisp-compile *.el || die "elisp-compile failed"
popd
fi
}
src_install() {
# Do not compress singular's info file (singular.hlp)
# some consumer of that file do not know how to deal with compression
docompress -x /usr/share/info
default
dosym Singular /usr/bin/"${PN}"
# purge .la file
find "${ED}" -name '*.la' -delete || die
}
src_test() {
# SINGULAR_PROCS_DIR need to be set to "" otherwise plugins from
# an already installed version of singular may be used and cause segfault
# See https://github.com/Singular/Sources/issues/980
SINGULAR_PROCS_DIR="" emake check
}
pkg_postinst() {
einfo "Additional functionality can be enabled by installing"
einfo "sci-mathematics/4ti2"
use emacs && elisp-site-regen
}
pkg_postrm() {
use emacs && elisp-site-regen
}
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