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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} pypy )
inherit distutils-r1
DESCRIPTION="BLAKE2 hash function extension module"
HOMEPAGE="https://github.com/dchest/pyblake2 https://pypi.python.org/pypi/pyblake2"
SRC_URI="mirror://pypi/${PN::1}/${PN}/${P}.tar.gz"
LICENSE="CC0-1.0"
SLOT="0"
KEYWORDS="~amd64 ~ia64 ~ppc ~ppc64 ~x86 ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
IUSE="cpu_flags_x86_ssse3 cpu_flags_x86_avx cpu_flags_x86_xop"
python_prepare_all() {
local impl=REGS
# note: SSE2 is 2.5x slower than pure REGS, so we ignore it
use cpu_flags_x86_ssse3 && impl=SSSE3
# this does not actually do anything but implicitly enabled SSE4.1...
use cpu_flags_x86_avx && impl=AVX
use cpu_flags_x86_xop && impl=XOP
# uncomment the implementation of choice
sed -i -e "/BLAKE2_COMPRESS_${impl}/s:^#::" setup.py || die
distutils-r1_python_prepare_all
}
python_test() {
"${EPYTHON}" test/test.py || die "Tests fail with ${EPYTHON}"
}
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