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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# this ebuild is only for the libgmp.so.3 ABI SONAME
EAPI="5"
inherit eutils libtool toolchain-funcs multilib-minimal
DESCRIPTION="Library for arbitrary-precision arithmetic on different type of numbers"
HOMEPAGE="https://gmplib.org/"
SRC_URI="mirror://gnu/${PN}/${P}.tar.bz2"
LICENSE="LGPL-3"
SLOT="3"
KEYWORDS="~alpha amd64 arm hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86"
IUSE=""
DEPEND="sys-devel/m4"
RDEPEND=""
src_prepare() {
epatch "${FILESDIR}"/${PN}-4.1.4-noexecstack.patch
epatch "${FILESDIR}"/${PN}-4.2.1-s390.diff
# note: we cannot run autotools here as gcc depends on this package
elibtoolize
# 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
#!/bin/sh
exec env ABI="${GMPABI}" "$0.wrapped" "$@"
EOF
chmod a+rx configure
}
multilib_src_configure() {
# 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
ECONF_SOURCE="${S}" econf \
--localstatedir=/var/state/gmp \
--disable-mpfr \
--disable-mpbsd \
--disable-static \
--disable-cxx
}
multilib_src_install() {
emake DESTDIR="${D}" install-libLTLIBRARIES
rm "${D}"/usr/*/libgmp.{la,so} || die
}
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