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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit flag-o-matic ninja-utils toolchain-funcs
DESCRIPTION="Tool for polyhedral geometry and combinatorics"
SRC_URI="https://polymake.org/lib/exe/fetch.php/download/${P}-minimal.tar.bz2"
HOMEPAGE="https://polymake.org/"
# polymake itself is GPL-2, but even the minimal tarball bundles a lot
# of other code. I've included everything that turns up with a
#
# find ./ -name 'LICENSE' -o -name 'COPYING'
#
# in the list below. If any of these bother you, you may want to take a
# closer look at how (or even if) the corresponding code is being used.
LICENSE="BSD GPL-2 GPL-2+ MIT WTFPL-2"
SLOT="0"
KEYWORDS="~amd64 ~riscv ~x86 ~amd64-linux ~x86-linux"
IUSE="bliss +cdd +flint +normaliz libpolymake lrs nauty ppl singular"
REQUIRED_USE="^^ ( bliss nauty )"
# The "configure" script isn't autotools; it basically exists just to
# exec some other perl script but using the familiar name.
BDEPEND="dev-util/ninja
dev-lang/perl"
DEPEND="
libpolymake? ( dev-lang/perl )
dev-libs/boost:=
dev-libs/gmp:=
dev-libs/libxml2:2=
dev-libs/libxslt:=
dev-libs/mpfr:=
sys-libs/readline:=
bliss? ( sci-libs/bliss:=[gmp] )
cdd? ( sci-libs/cddlib:= )
flint? ( sci-mathematics/flint:= )
lrs? ( >=sci-libs/lrslib-051:=[gmp] )
nauty? ( sci-mathematics/nauty:= )
normaliz? ( >=sci-mathematics/normaliz-3.8:= )
ppl? ( dev-libs/ppl:= )
singular? ( sci-mathematics/singular:= )"
RDEPEND="${DEPEND}
dev-lang/perl
dev-perl/JSON
dev-perl/Term-ReadLine-Gnu
dev-perl/TermReadKey
dev-perl/XML-SAX
dev-perl/XML-Writer"
# Tests observed failing after upgrade to polymake-4.5. No idea if they
# worked prior to that. Someone who actually understands polymake will
# have to get these working (at least briefly) before we re-enable them.
RESTRICT=test
src_configure() {
# Without this, the build system tries to use "the highest possible"
# optimization level and will override what's in your CXXFLAGS.
export CXXOPT=""
tc-export CC CXX
# We need to define BLISS_USE_GMP if bliss was built with gmp support.
# Therefore we require gmp support on bliss, so that the package
# manager can prevent rebuilds with changed gmp flag. Yes, this should
# be append-cppflags; but the build system doesn't respect CPPFLAGS.
use bliss && append-cxxflags -DBLISS_USE_GMP
# This isn't an autotools ./configure script, so a lot of things
# don't work the way you'd expect. We disable openmp unconditionally
# because it's only supposedly only used for building the bundled
# libnormaliz (we unbundle it) and for something called to_simplex
# that I can't find anywhere in the polymake source.
./configure --prefix="${EPREFIX}/usr" \
--libdir="${EPREFIX}/usr/$(get_libdir)" \
--libexecdir="${EPREFIX}/usr/$(get_libdir)/polymake" \
$(usev !libpolymake "--without-callable") \
--without-java \
--without-javaview \
--without-native \
--without-scip \
--without-soplex \
--without-openmp \
$(use_with bliss bliss "${EPREFIX}/usr") \
$(use_with cdd cdd "${EPREFIX}/usr") \
$(use_with flint flint "${EPREFIX}/usr") \
$(use_with lrs lrs "${EPREFIX}/usr") \
$(use_with nauty nauty "${EPREFIX}/usr") \
$(use_with normaliz libnormaliz "${EPREFIX}/usr") \
$(use_with ppl ppl "${EPREFIX}/usr") \
$(use_with singular singular "${EPREFIX}/usr") \
|| die
}
# There is a backwards-compatible Makefile that would call ninja for us
# in src_compile/src_install, but it doesn't handle MAKEOPTS correctly.
src_compile() {
eninja -C build/Opt
}
src_install() {
# DESTDIR needs to find its way into the real install script,
# support/install.pl.
export DESTDIR="${D}"
eninja -C build/Opt install
}
src_test() {
perl/polymake --script run_testcases --emacs-style \
|| die "test suite failed"
}
pkg_postinst() {
elog "Additional features for polymake are available through external"
elog "software such as sci-mathematics/4ti2 and sci-mathematics/topcom."
elog "After installing new external software run 'polymake --reconfigure'."
}
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