On Thu, Jan 25, 2018 at 2:53 PM, Sérgio Basto <ser...@serjux.com> wrote:
> Hi, > Question about gcc cflag ffast-math . > Should I enable cflag ffast-math on opencv build explicitly > ( -DENABLE_FAST_MATH=ON ) ? and I keep disable cflag ffast-math in mlt > build [1] ? > > I have no meaningful comment on compiling with -ffast-math, but you absolutely should not *link* with -ffast-math. See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55522 and https://bugzilla.redhat.com/show_bug.cgi?id=1248744 Also, if any toolchain people are listening, maybe you could consider fixing the GCC bug? It should be easy, since it mostly consists of option tweaking.
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