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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{10..13} python3_13t )
inherit flag-o-matic python-any-r1
DESCRIPTION="Fast Library for Number Theory"
HOMEPAGE="https://www.flintlib.org/"
MY_PV="${PV/_/-}"
SRC_URI="https://github.com/flintlib/flint/releases/download/v${MY_PV}/flint-${MY_PV}.tar.xz -> ${P}.tar.xz"
S="${WORKDIR}/${PN}-${MY_PV}"
LICENSE="LGPL-2.1+"
# Based off the soname, e.g. /usr/lib64/libflint.so -> libflint.so.15
SLOT="0/19"
KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~x86"
IUSE="doc ntl test"
RESTRICT="!test? ( test )"
BDEPEND="${PYTHON_DEPS}
doc? (
app-text/texlive-core
dev-python/sphinx
dev-tex/latexmk
dev-texlive/texlive-latex
dev-texlive/texlive-latexextra
)
ntl? ( dev-libs/ntl )
"
# NTL is never linked
DEPEND="dev-libs/gmp:=
dev-libs/mpfr:=
virtual/cblas"
# Flint 3.x includes arb. We include some version of NTL here if USE=ntl
# is set so that consumers can depend on flint[ntl] to get a usable
# Flint-NTL interface. But otherwise, NTL isn't actually needed at
# runtime, even if Flint was built with USE=ntl.
RDEPEND="${DEPEND}
ntl? ( dev-libs/ntl )
!sci-mathematics/arb"
# The rst files are API docs, but they're very low-effort compared to
# the PDF and HTML docs, so we ship them unconditionally and hide only
# the painful parts behind USE=doc.
DOCS="AUTHORS README.md doc/source/*.rst"
PATCHES=(
"${FILESDIR}/flint-3.0.1-find-cblas.patch"
"${FILESDIR}/flint-3.1.3_p1-c99-I.patch"
"${FILESDIR}/flint-3.1.3_p1-fix-pc-location.patch"
"${FILESDIR}/flint-3.1.3_p1-c23.patch"
)
src_configure() {
# Test failures:
# * https://bugs.gentoo.org/934463
# * https://github.com/flintlib/flint/issues/2029
filter-flags -floop-nest-optimize \
-ftree-loop-linear \
-floop-strip-mine \
-floop-block \
-fgraphite-identity
# ABI needs to be unset because flint uses it internally for
# an incompatible purpose.
# --disable-assembly in an attempt to fix bug 946501
# --enable-debug just adds -g to your CFLAGS
# --enable-avx2 and --enable-avx512 just add "-mfoo" to CFLAGS
# --enable-gc affects thread-safety
local myeconfargs=(
ABI=""
--disable-assembly
--disable-debug
--with-blas
--with-gmp
--with-mpfr
--without-gc
)
# The NTL interface consists of a single header, NTL-interface.h,
# that is always installed. USE=ntl only determines whether or not
# the corresponding tests (which actually use NTL) are built and
# run. As a result, we don't care about USE=ntl without USE=test.
use test && myeconfargs+=( $(use_with ntl) )
econf "${myeconfargs[@]}"
if use doc; then
# Avoid the "html/_sources" directory that will contain a copy
# of the rst sources we've already installed, and also avoid
# installing html/objects.inv.
HTML_DOCS="doc/build/html/*.html
doc/build/html/*.js
doc/build/html/_static"
DOCS+=" doc/build/latex/Flint.pdf"
fi
}
src_compile() {
default
if use doc; then
pushd doc
emake html
emake latexpdf
popd
fi
}
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