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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit autotools elisp-common flag-o-matic multilib prefix toolchain-funcs versionator
MY_PN=Singular
MY_PV=$(replace_all_version_separators '.')
# Consistency is different...
MY_DIR2=$(get_version_component_range 1-3 ${PV})
MY_DIR=$(replace_all_version_separators '-' ${MY_DIR2})
# This is where the share tarball unpacks to
DESCRIPTION="Computer algebra system for polynomial computations"
HOMEPAGE="https://www.singular.uni-kl.de/"
SRC_URI="https://www.mathematik.uni-kl.de/ftp/pub/Math/${MY_PN}/SOURCES/${MY_DIR}/${PN}-${MY_PV}.tar.gz
https://www.mathematik.uni-kl.de/ftp/pub/Math/${MY_PN}/SOURCES/${MY_DIR}/${PN}-${MY_PV}-share.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~ppc ~x86 ~x86-linux"
IUSE="boost doc emacs examples python +readline"
RDEPEND="dev-libs/gmp:0
>=dev-libs/ntl-5.5.1
emacs? ( >=app-editors/emacs-23.1:* )
sci-mathematics/flint
sci-mathematics/4ti2
sci-libs/cddlib"
DEPEND="${RDEPEND}
dev-lang/perl
boost? ( dev-libs/boost )
readline? ( sys-libs/readline )"
SITEFILE=60${PN}-gentoo.el
S="${WORKDIR}/${PN}-${MY_DIR2}"
pkg_setup() {
append-flags "-fPIC"
append-ldflags "-fPIC"
tc-export AR CC CPP CXX
}
src_prepare() {
eapply "${FILESDIR}"/"${P}"-fix-resources-name.patch
eapply "${FILESDIR}"/"${P}"-fix-destdir.patch
eapply_user
# autoreconf everything since otherwise it assumes autmake-1.13 is installed
eautoreconf
}
src_configure() {
econf --with-gmp \
--with-ntl \
--with-flint \
--enable-gfanlib \
--disable-debug \
--disable-doc \
--enable-factory \
--enable-libfac \
--enable-IntegerProgramming \
$(use_with python python embed) \
$(use_with boost Boost) \
$(use_enable emacs) \
$(use_with readline) || die "configure failed"
}
src_compile() {
emake
if use emacs; then
cd "${S}"/emacs/
elisp-compile *.el || die "elisp-compile failed"
fi
}
pkg_postinst() {
einfo "The authors ask you to register as a SINGULAR user."
einfo "Please check the license file for details."
if use emacs; then
echo
ewarn "Please note that the ESingular emacs wrapper has been"
ewarn "removed in favor of full fledged singular support within"
ewarn "Gentoo's emacs infrastructure; i.e. just fire up emacs"
ewarn "and you should be good to go! See bug #193411 for more info."
echo
fi
use emacs && elisp-site-regen
}
pkg_postrm() {
use emacs && elisp-site-regen
}
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