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# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
FORTRAN_NEEDED=fortran
FORTRAN_STANDARD=90
inherit autotools fortran-2
DESCRIPTION="Arbitrary precision float arithmetics and functions"
HOMEPAGE="https://crd-legacy.lbl.gov/~dhbailey/mpdist/"
SRC_URI="https://github.com/BL-highprecision/${PN^^}/archive/refs/tags/v${PV}.tar.gz
-> ${P}.tar.gz"
S="${WORKDIR}"/${P^^}
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="cpu_flags_x86_fma3 cpu_flags_x86_fma4 fortran qd"
DEPEND="qd? ( sci-libs/qd[fortran=] )"
RDEPEND="${DEPEND}"
PATCHES=(
"${FILESDIR}"/${PN}-2.2.19-ax_cxx_fma.patch #Bug 731912
"${FILESDIR}"/${PN}-2.2.19-narrowing.patch #Bug 731916
"${FILESDIR}"/${PN}-2.2.19-noregister.patch #Bug 926266
"${FILESDIR}"/${P}-automake.patch
"${FILESDIR}"/${P}-fortranmod.patch
)
src_prepare() {
default
sed -e '/TESTS =/s/ io//' -i tests/Makefile.am || die # bug 526960
eautoreconf
}
src_configure() {
local myeconfargs=(
$(use_enable cpu_flags_x86_fma$(usex cpu_flags_x86_fma3 3 4) fma)
$(use_enable fortran)
$(use_enable qd)
)
econf "${myeconfargs[@]}"
}
src_compile() {
default
if use fortran; then
emake toolkit
cd toolkit || die
./mathinit || die "mathinit failed"
fi
}
src_install() {
default
if use fortran; then
cd toolkit || die
exeinto /usr/libexec/${PN}
doexe mathtool
insinto /usr/libexec/${PN}
doins *.dat
cat > mathtool.exe <<- _EOF_ || die
#!/usr/bin/env sh
cd "${EPREFIX}/usr/libexec/${PN}" && exec ./mathtool
_EOF_
newbin mathtool.exe mathtool
newdoc README README.mathtool
fi
rm -r "${D}"/usr/share/doc/${PN} || die
}
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