On Wed, Dec 6, 2017 at 2:56 AM, Vlad K. <[email protected]> wrote: > Hello list, > > I need to understand if there are any specific compilation options set for > the manylinux precompiled binaries, by the packaging system or by individual > python module developers.
The manylinux docker image doesn't do anything special here. (In fact it ships a rather old version of gcc -- I'd expect newer versions to generate even faster code.) > Now, since -O3 is not a wise thing to do unless you know what you're doing > (and I don't, in this case), I need to find out if that's what was added to > the PyPi wheel cache, or something else, and where was that defined as I > could find no relevant CFLAGS definitions in the Pillow source code (or > maybe it's there but I just can't see it), or in fact any compilation flags > other than -O0 for the test cases. > > I also need to understand this so I can force the same compilation > environment for the FreeBSD port of Python Pillow module > (graphics/py-pillow). I think your best bet is to ask the Pillow developers, or whoever builds their wheels for distribution. -n -- Nathaniel J. Smith -- https://vorpus.org _______________________________________________ Wheel-builders mailing list [email protected] https://mail.python.org/mailman/listinfo/wheel-builders
