Do not attempt to use avx2 on OpenBSD

The assembler shipping with current OpenBSD (5.9) does not support avx2

1 files changed, 2 insertions, 0 deletions

diff --git a/configure.py b/configure.py
index f61ea9e57..6679e1545 100755
--- a/configure.py
+++ b/configure.py
@@ -1927,6 +1927,8 @@ def main(argv = None):
                 info_cc['gcc'].binary_name = 'eg++'
             else:
                 logging.warning('Default GCC is too old; install a newer one using \'pkg_add gcc\'')
+            # The assembler shipping with OpenBSD 5.9 does not support avx2
+            del info_cc['gcc'].isa_flags['avx2']
             options.compiler = 'gcc'
         else:
             options.compiler = 'gcc'