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# Copyright 1999-2021 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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inherit autotools elisp-common
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MY_PN=Singular
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MY_PV=$(ver_rs 3 '')
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# Consistency is different...
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MY_DIR2=$(ver_cut 1-3 ${PV})
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MY_DIR=$(ver_rs 1- '-' ${MY_DIR2})
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DESCRIPTION="Computer algebra system for polynomial computations"
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HOMEPAGE="https://www.singular.uni-kl.de/ https://github.com/Singular/Sources"
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SRC_URI="ftp://jim.mathematik.uni-kl.de/pub/Math/${MY_PN}/SOURCES/${MY_DIR}/${PN}-${MY_PV}.tar.gz"
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LICENSE="BSD GPL-2 GPL-3"
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SLOT="0"
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KEYWORDS="amd64 ppc x86 ~x86-linux"
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IUSE="emacs examples +readline static-libs"
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RDEPEND="dev-libs/gmp:0
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dev-libs/ntl:=
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emacs? ( >=app-editors/emacs-23.1:* )
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sci-mathematics/flint
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sci-libs/cddlib
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dev-lang/perl
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readline? ( sys-libs/readline )"
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DEPEND="${RDEPEND}"
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SITEFILE=60${PN}-gentoo.el
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S="${WORKDIR}/${PN}-${MY_DIR2}"
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PATCHES=(
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"${FILESDIR}/${PN}-4.0.3-gfan_linking.patch"
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"${FILESDIR}/${PN}-4.1.3-doc_install.patch"
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"${FILESDIR}/${PN}-4.2.0-no-static.patch"
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)
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src_prepare() {
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default
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eautoreconf
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}
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src_configure() {
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econf --with-gmp \
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--with-ntl="${EPREFIX}"/usr \
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--with-flint \
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--enable-gfanlib \
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--disable-debug \
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--disable-doc \
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--enable-factory \
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--enable-libfac \
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--enable-IntegerProgramming \
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--disable-polymake \
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$(use_enable static-libs static) \
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$(use_enable emacs) \
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$(use_with readline)
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}
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src_compile() {
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default
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if use emacs; then
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pushd "${S}"/emacs
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elisp-compile *.el || die "elisp-compile failed"
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popd
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fi
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}
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src_install() {
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# Do not compress singular's info file (singular.hlp)
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# some consumer of that file do not know how to deal with compression
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docompress -x /usr/share/info
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default
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dosym Singular /usr/bin/"${PN}"
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# purge .la file
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find "${ED}" -name '*.la' -delete || die
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}
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src_test() {
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# SINGULAR_PROCS_DIR need to be set to "" otherwise plugins from
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# an already installed version of singular may be used and cause segfault
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# See https://github.com/Singular/Sources/issues/980
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SINGULAR_PROCS_DIR="" emake check
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}
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pkg_postinst() {
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einfo "Additional functionality can be enabled by installing"
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einfo "sci-mathematics/4ti2"
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use emacs && elisp-site-regen
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}
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pkg_postrm() {
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use emacs && elisp-site-regen
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}
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