[Numpy-discussion] building 32 bit numpy on 64 bit linux

Julian Taylor jtaylor.debian at googlemail.com
Fri Dec 13 13:48:36 EST 2013

On 13.12.2013 18:46, David Jones wrote:
> ...
> Correction. Of course LD_LIBRARY_PATH isn't seen by the compiler. It 
> only applies at run time. How embarrasing:) This isn't the first time 
> I've been bitten by that.
> I don't mind doing that with manual builds, but what about with pip? Is 
> there a way to avoid explicitly setting the library path every time you 
> call pip, when using a custom python install?

why are you actually doing this?

the easiest way to get 32 bit binaries for any program is simply using a
32 bit chroot to build them.
This is trivial to do on a debian based systems:

pbuilder-dist i386 unstable create
pbuilder-dist i386 unstable login
# install dependencies and build as usual

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