Respect user's LDFLAGS
Fixed #261. Use strncmp instead of a comparing trick.
Merge branch 'ldflags' of https://github.com/sfabbro/OpenBLAS into sfabbro-ldflags
Fixed the FMA3 detection bug.
Fixed #260. Fixed generating 32-bit shared library on previous commit.
Merge branch 'sfabbro-ldflags' into develop
Refs #262. Added executable stack markings.
Merge branch 'hotfix-v0.2.8' into develop
OpenBLAS 0.2.8 rc1.