On Fri, Mar 30, 2012 at 9:45 PM, Andrew Myers <
atmyers@berkeley.edu> wrote:
> Hello yt developers,
>
> I don't know if this is a "bug," exactly, but I noticed an issue when doing
> a clean install of yt today involving the h5py install. Namely, it looks
> like if you have an non-empty CFLAGS environment variable (which can happen
> without your knowledge if you load certain module files in a supercomputing
> environment, for example), the h5py build will proceed without getting the
> "-fno-strict-aliasing" flag and the resulting module will not work. You can
> get around this either by 1) clobbering CFLAGS, or 2) adding
> "-fno-strict-aliasing" to it and re-running the script.
>
> It seems like the install script should either detect this and work around
> it, or else warn you that the h5py build has gone of the rails after the
> installation, because the tracebacks you get from trying to use the
> whacked-out h5py module are not very illuminating. I would do this myself,
> but I'm not sure my shell scripting skills are up to the task.
>
> Thanks,
> Andrew
>