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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit autotools toolchain-funcs
DESCRIPTION="Library for arbitrary precision integer arithmetic (fork of gmp)"
HOMEPAGE="https://www.mpir.org/"
SRC_URI="https://www.mpir.org/${P}.tar.bz2"
LICENSE="LGPL-3"
SLOT="0/23"
KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~ppc ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux"
IUSE="+cxx cpudetection"
BDEPEND="
x86? ( dev-lang/yasm )
amd64? ( dev-lang/yasm )
"
PATCHES=(
"${FILESDIR}"/${PN}-2.7.2-ABI-multilib.patch
)
src_prepare() {
tc-export CC
default
# In the same way there was QA regarding executable stacks
# with GMP we have some here as well. We cannot apply the
# GMP solution as yasm is used, at least on x86/amd64.
# Furthermore we are able to patch config.ac.
einfo "Patching assembler files to remove executable sections"
local i
for i in $(find . -type f -name '*.asm') ; do
cat >> $i <<-EOF || die
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif
EOF
done
for i in $(find . -type f -name '*.as') ; do
cat >> $i <<-EOF || die
%ifidn __OUTPUT_FORMAT__,elf
section .note.GNU-stack noalloc noexec nowrite progbits
%endif
EOF
done
eautoreconf
}
src_configure() {
# beware that cpudetection aka fat binaries is x86/amd64 only.
# Place mpir in profiles/arch/$arch/package.use.mask
# when making it available on $arch.
local myeconfargs=(
$(use_enable cxx)
$(use_enable cpudetection fat)
--disable-static
)
# https://bugs.gentoo.org/661430
if ! use amd64 && ! use x86; then
myeconfargs+=( --with-yasm="${BROOT}"/bin/false )
fi
econf "${myeconfargs[@]}"
}
src_install() {
default
find "${ED}" -name '*.la' -delete || die
}
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