1 files changed, 34 insertions, 0 deletions
diff --git a/dev-python/pyblake2/pyblake2-0.9.3.ebuild b/dev-python/pyblake2/pyblake2-0.9.3.ebuild
new file mode 100644
index 000000000000..10da95058c15
--- /dev/null
+++ b/dev-python/pyblake2/pyblake2-0.9.3.ebuild
@@ -0,0 +1,34 @@
+# 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}"
+}