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86 lines
2.2 KiB
Bash
86 lines
2.2 KiB
Bash
# Copyright 1999-2025 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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inherit flag-o-matic toolchain-funcs
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DESCRIPTION="Compute Groebner fans and tropical varieties"
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HOMEPAGE="https://users-math.au.dk/~jensen/software/gfan/gfan.html"
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SRC_URI="https://users-math.au.dk/~jensen/software/${PN}/${PN}${PV}.tar.gz"
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S="${WORKDIR}/${PN}${PV}"
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LICENSE="GPL-2+"
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SLOT="0"
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KEYWORDS="~amd64 ~arm ~riscv ~x86 ~amd64-linux ~x86-linux"
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IUSE="doc"
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# texlive-plaingeneric is needed for \usepackage{ulem} in
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# the manual. ghostscript-gpl provides the "dvipdf" command.
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BDEPEND="doc? (
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app-text/ghostscript-gpl
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dev-texlive/texlive-plaingeneric
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virtual/latex-base
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)"
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DEPEND="dev-libs/gmp:0=[cxx(+)]
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sci-libs/cddlib:0="
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RDEPEND="${DEPEND}"
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PATCHES=(
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"${FILESDIR}/${PN}-0.6.2-testsuite.patch"
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"${FILESDIR}/${PN}-0.6.2-Makefile.patch"
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"${FILESDIR}/${PN}-0.6.2-fix-0602ResultantFanProjection.patch"
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"${FILESDIR}/${PN}-0.6.2-fix-spelling-errors.patch"
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"${FILESDIR}/${PN}-0.6.2-find-name.patch"
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"${FILESDIR}/${PN}-0.6.2-glibcxx-assertions.patch"
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"${FILESDIR}/${PN}-0.6.2-gcc15.patch"
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)
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pkg_setup() {
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tc-export CC CXX
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# This should really go in cppflags, but that doesn't work with
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# gfan's hand-written Makefile.
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append-cxxflags -DNOCDDPREFIX -I"${EPREFIX}"/usr/include/cddlib
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}
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src_prepare() {
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default
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# And this one fails (harmlessly) on x86, bug 818397.
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rm -r testsuite/0009RenderStairCase || \
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die "unable to disable test 0009RenderStairCase"
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}
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src_configure() {
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# -Werror=odr
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# https://bugs.gentoo.org/863044
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# Only contact method is email. I have sent one detailing the issue.
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filter-lto
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# The upstream Makefile says that GCC produces bad code with -O3.
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replace-flags "-O3" "-O2"
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default
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}
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src_compile() {
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default
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if use doc; then
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pushd doc > /dev/null || die
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# The LaTeX build commands need to be repeated until the
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# document "stops changing," which is not as easy as it
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# sounds to detect. Running it twice seems to work here.
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for iteration in 1 2; do
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latex manual.tex && \
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bibtex manual && \
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dvipdf manual.dvi manual.pdf || die
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done
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popd > /dev/null || die
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fi
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}
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src_install() {
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emake PREFIX="${ED}/usr" install
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use doc && dodoc doc/manual.pdf
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}
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