[Users] Issues to install: failed to configure openmpi

Rodriguez, Shanshan rodriguezs at grinnell.edu
Tue May 26 16:55:03 CDT 2020

Hi Roland,

I updated Catalina and removed Anaconda, not sure which step helped but the openmpi issue was solved.

Thanks a lot for your advice!


> On May 26, 2020, at 1:38 PM, Roland Haas <rhaas at illinois.edu> wrote:
> Hello Shanshan,
>> Thanks for your quick reply. I’ve attached the log file and also
>> noticed this error message right at the failing point in the log file:
>> :info:configure configure: error: ptrdiff_t type is not available,
>> this is required by C99 standard.  Cannot continue
>> Any ideas about this ‘ptrdiff_t type’?
> Not really. I can only guess. This could be a bug in OpenMPI's configure
> script. To get ptrdiff_t one usually has to include stddef.h or some
> other stdXXX.h header file.
> You may also want to check if your environment has any CFLAGS, CXXFLAGS
> or similar variables installed (visible in the output of "env").
> Note that MacPorts tends to have a complex interaction with any other
> package management system (eg HomeBrew, Fink, Anaconda, ...) and if you
> have one of those installed then there may be very strange effects.
> Yours,
> Roland
> -- 
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