tree 6b35f464fb976120a276bce05e4e248eae9758de
parent c8eeaf4ad9008c8bcf9d22b96cd1a64fe9ead4c8
author Alex Stewart <alexs.mac@gmail.com> 1427741288 +0100
committer Sameer Agarwal <sameeragarwal@google.com> 1427757230 +0000

Use -O2 not -O3 on MinGW to workaround issue with Eigen.

- MinGW produces code that segfaults when performing matrix
  multiplications in Eigen when compiled with -O3 (see below), as such
  force the use of -O2 which works.
- http://eigen.tuxfamily.org/bz/show_bug.cgi?id=556

Change-Id: I420e965d5033944374a5cc93490546c25e46bce5