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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit libtool multilib-minimal toolchain-funcs
MY_PV=${PV/_p*}
MY_PV=${MY_PV/_/-}
MANUAL_PV=${MY_PV}
MANUAL_PV=6.2.1
MY_P=${PN}-${MY_PV}
PLEVEL=${PV/*p}
DESCRIPTION="Library for arbitrary-precision arithmetic on different type of numbers"
HOMEPAGE="https://gmplib.org/"
SRC_URI="
https://gmplib.org/download/gmp/${MY_P}.tar.xz
mirror://gnu/${PN}/${MY_P}.tar.xz
doc? ( https://gmplib.org/${PN}-man-${MANUAL_PV}.pdf )
"
SRC_URI+=" https://dev.gentoo.org/~sam/distfiles/${CATEGORY}/${PN}/${P}-arm64-darwin.patch.bz2"
LICENSE="|| ( LGPL-3+ GPL-2+ )"
# The subslot reflects the C & C++ SONAMEs.
SLOT="0/10.4"
KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
IUSE="+asm doc +cxx pic static-libs"
BDEPEND="sys-devel/m4
app-arch/xz-utils"
S=${WORKDIR}/${MY_P%a}
DOCS=( AUTHORS ChangeLog NEWS README doc/configuration doc/isa_abi_headache )
HTML_DOCS=( doc )
MULTILIB_WRAPPED_HEADERS=( /usr/include/gmp.h )
PATCHES=(
"${FILESDIR}"/${PN}-6.1.0-noexecstack-detect.patch
"${FILESDIR}"/${PN}-6.2.1-no-zarch.patch
"${WORKDIR}"/${P}-arm64-darwin.patch
"${FILESDIR}"/${P}-CVE-2021-43618.patch
)
src_prepare() {
default
# We cannot run autotools here as gcc depends on this package
elibtoolize
# bug #536894
if [[ ${CHOST} == *-darwin* ]] ; then
eapply "${FILESDIR}"/${PN}-6.1.2-gcc-apple-4.0.1.patch
fi
# GMP uses the "ABI" env var during configure as does Gentoo (econf).
# So, to avoid patching the source constantly, wrap things up.
mv configure configure.wrapped || die
cat <<-\EOF > configure
#!/usr/bin/env sh
exec env ABI="${GMPABI}" "$0.wrapped" "$@"
EOF
# Patches to original configure might have lost the +x bit.
chmod a+rx configure{,.wrapped} || die
}
multilib_src_configure() {
# Generally a very fragile package
strip-flags
# Miscompiled with LTO at least on arm64, bug #889948
filter-lto
# Because of our 32-bit userland, 1.0 is the only HPPA ABI that works
# https://gmplib.org/manual/ABI-and-ISA.html#ABI-and-ISA (bug #344613)
if [[ ${CHOST} == hppa2.0-* ]] ; then
GMPABI="1.0"
fi
# ABI mappings (needs all architectures supported)
case ${ABI} in
32|x86) GMPABI=32;;
64|amd64|n64) GMPABI=64;;
[onx]32) GMPABI=${ABI};;
esac
export GMPABI
tc-export CC
# --with-pic forces static libraries to be built as PIC
# and without TEXTRELs. musl does not support TEXTRELs: bug #707332
ECONF_SOURCE="${S}" econf \
CC_FOR_BUILD="$(tc-getBUILD_CC)" \
--localstatedir="${EPREFIX}"/var/state/gmp \
--enable-shared \
$(use_enable asm assembly) \
$(use_enable cxx) \
$(use pic && echo --with-pic) \
$(use_enable static-libs static)
}
multilib_src_install() {
emake DESTDIR="${D}" install
# Should be a standalone lib
rm -f "${ED}"/usr/$(get_libdir)/libgmp.la
# This requires libgmp
local la="${ED}/usr/$(get_libdir)/libgmpxx.la"
if ! use static-libs ; then
rm -f "${la}"
fi
}
multilib_src_install_all() {
einstalldocs
use doc && cp "${DISTDIR}"/gmp-man-${MANUAL_PV}.pdf "${ED}"/usr/share/doc/${PF}/
}
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