dev-python/pyblake2: fix and keyword for *-macos, bug #634936

Package-Manager: Portage-2.3.11-prefix, Repoman-2.3.3

diff --git a/dev-python/pyblake2/pyblake2-0.9.3.ebuild b/dev-python/pyblake2/pyblake2-0.9.3.ebuild
index 10da95058c15c39c58fd14016395285210d7d5f8..cdfe223ded1fbf1ef3145d7130d77176a5a214ec 100644 (file)
--- a/dev-python/pyblake2/pyblake2-0.9.3.ebuild
+++ b/dev-python/pyblake2/pyblake2-0.9.3.ebuild
@@ -4,7 +4,7 @@
 EAPI=6
 
 PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} pypy )
-inherit distutils-r1
+inherit distutils-r1 flag-o-matic
 
 DESCRIPTION="BLAKE2 hash function extension module"
 HOMEPAGE="https://github.com/dchest/pyblake2 https://pypi.python.org/pypi/pyblake2"
@@ -12,7 +12,7 @@ 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"
+KEYWORDS="~amd64 ~ia64 ~ppc ~ppc64 ~x86 ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
 IUSE="cpu_flags_x86_ssse3 cpu_flags_x86_avx cpu_flags_x86_xop"
 
 python_prepare_all() {
@@ -26,6 +26,27 @@ python_prepare_all() {
        # uncomment the implementation of choice
        sed -i -e "/BLAKE2_COMPRESS_${impl}/s:^#::" setup.py || die
 
+       # avoid segfault due to over(?) optimisation
+       if [[ ${CHOST} == *86*-darwin* ]] ; then
+               local march=$(get-flag march)
+               # expand "native" into the used cpu optmisation
+               if [[ ${march} == native ]] ; then
+                       # we're always on Clang here    
+                       march=$(llc --version | grep "Host CPU:")
+                       march=${march##*: }
+               fi
+               # compiling for haswell cpu results in a segfault when used
+               # with optimisation >O1, since optimisation here benefits more
+               # than cpu specific instructions, reduce to ivybridge level
+               case ${march} in
+                       haswell|broadwell|skylake*)
+                               local opt=$(get-flag -O)
+                               [[ ${opt#-O} -gt 1 ]] && \
+                                       replace-flags -march=* -march=ivybridge
+                               ;;
+               esac
+       fi
+
        distutils-r1_python_prepare_all
 }