On Mon, Mar 10, 2014 at 6:27 PM, Jens Nielsen <jenshnielsen@gmail.com>wrote:

On Mon, Mar 10, 2014 at 4:39 PM, Chris Barker <chris.barker@noaa.gov>wrote:

On Sat, Mar 8, 2014 at 2:22 AM, Ralf Gommers <ralf.gommers@gmail.com>wrote:

If we relax things too much, will we also get homebrew and macports and built-it-myself pythons, and will they work?

Not likely. On 10.7 and 10.8 python.org and system python use llvm-gcc while IIRC homebrew used clang. There's probably more differences.

So the question is:

If someone is running a brew python and does "pip install numpy" will pip find a binary wheel that will then not work? That would be bad, but maybe not our problem -- brew users should be using brew to build numpy anyway.

"pip install numpy" will build from source, and if "pip install numpy --use-wheel" doesn't work I guess we should fix it by documentation that in all the obvious places. Ralf

No that is not how homebrew works. Brew does not pack anything that pip installable: https://github.com/Homebrew/homebrew/wiki/Homebrew-and-Python so that would be a big issue. Especially since installing numpy with pip and brew python just works without any problem when building from source.

There are unofficial brew taps (channels) with python packages but this not the recommended way.

/Jens

It would be nicer if it didn't happen, though.

-CHB

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