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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=5
inherit autotools-utils eutils toolchain-funcs
DESCRIPTION="Library for arbitrary precision integer arithmetic (fork of gmp)"
HOMEPAGE="http://www.mpir.org/"
SRC_URI="http://www.mpir.org/${P}.tar.lzma"
LICENSE="LGPL-3"
SLOT="0/11"
KEYWORDS="~alpha amd64 arm ~arm64 hppa ~ia64 ppc ppc64 s390 ~sparc x86 ~amd64-linux ~x86-linux"
IUSE="+cxx cpudetection static-libs"
DEPEND="x86? ( dev-lang/yasm )
amd64? ( dev-lang/yasm )"
RDEPEND=""
src_prepare() {
tc-export CC
epatch \
"${FILESDIR}"/${PN}-2.6.0-yasm.patch \
"${FILESDIR}"/${PN}-1.3.0-ABI-multilib.patch \
"${FILESDIR}"/${PN}-2.5.1-automake-1.12.patch \
"${FILESDIR}"/${PN}-2.6.0-gcc48.patch
# 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.
ebegin "Patching assembler files to remove executable sections"
local i
for i in $(find . -type f -name '*.asm') ; do
cat >> $i <<-EOF
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif
EOF
done
for i in $(find . -type f -name '*.as') ; do
cat >> $i <<-EOF
%ifidn __OUTPUT_FORMAT__,elf
section .note.GNU-stack noalloc noexec nowrite progbits
%endif
EOF
done
eend
eautoreconf
}
src_configure() {
# beware that cpudetection aka fat binaries is x86/amd64 only.
# Place mpir in profiles/arch/$arch/package.use.mask
# when making it available on $arch.
myeconfargs+=(
$(use_enable cxx)
$(use_enable cpudetection fat)
)
autotools-utils_src_configure
}
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