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57 lines
1.5 KiB
Bash
57 lines
1.5 KiB
Bash
# Copyright 1999-2017 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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EAPI=6
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PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} pypy )
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inherit distutils-r1 flag-o-matic toolchain-funcs
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DESCRIPTION="BLAKE2 hash function extension module"
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HOMEPAGE="https://github.com/dchest/pyblake2 https://pypi.python.org/pypi/pyblake2"
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SRC_URI="mirror://pypi/${PN::1}/${PN}/${P}.tar.gz"
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LICENSE="CC0-1.0"
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SLOT="0"
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KEYWORDS="~alpha amd64 ia64 ~mips ppc ppc64 ~sparc x86 ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
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blake2_impl() {
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local code='
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#if defined(__XOP__)
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HAVE_XOP
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#elif defined(__AVX__)
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HAVE_AVX
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#elif defined(__SSSE3__)
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HAVE_SSSE3
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#elif defined(__SSE2__)
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HAVE_SSE2
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#endif
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'
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local res=$($(tc-getCC) -E -P ${CFLAGS} - <<<"${code}")
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case ${res} in
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*HAVE_XOP*) echo XOP;;
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# this does not actually do anything but implicitly enabled SSE4.1...
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*HAVE_AVX*) echo AVX;;
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*HAVE_SSSE3*) echo SSSE3;;
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# note: SSE2 is 2.5x slower than pure REGS, so we ignore it
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#*HAVE_SSE2*) echo SSE2;;
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*) echo REGS;;
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esac
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}
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python_prepare_all() {
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# uncomment the implementation of choice
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sed -i -e "/BLAKE2_COMPRESS_$(blake2_impl)/s:^#::" setup.py || die
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distutils-r1_python_prepare_all
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}
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python_configure_all() {
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# reported to break stuff, https://bugs.gentoo.org/638428
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append-flags -fno-tree-vectorize
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}
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python_test() {
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"${EPYTHON}" test/test.py || die "Tests fail with ${EPYTHON}"
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}
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