I have a fix I am working on. Will open a PR tomorrow morning.

-Nathan

> On Jun 22, 2017, at 6:11 PM, [email protected] wrote:
> 
> Here’s something even weirder. You cannot build that file unless mpi.h 
> already exists, which it won’t until you build the MPI layer. So apparently 
> what is happening is that we somehow pickup a pre-existing version of mpi.h 
> and use that to build the file?
> 
> Checking around, I find that all my available machines have an mpi.h 
> somewhere in the default path because we always install _something_. I wonder 
> if our master would fail in a distro that didn’t have an MPI installed...
> 
>> On Jun 22, 2017, at 5:02 PM, [email protected] wrote:
>> 
>> It apparently did come in that way. We just never test -no-ompi and so it 
>> wasn’t discovered until a downstream project tried to update. Then...boom.
>> 
>> 
>>> On Jun 22, 2017, at 4:07 PM, Barrett, Brian via devel 
>>> <[email protected]> wrote:
>>> 
>>> I’m confused; looking at history, there’s never been a time when 
>>> opal/util/info.c hasn’t included mpi.h.  That seems odd, but so does info 
>>> being in opal.
>>> 
>>> Brian
>>> 
>>>> On Jun 22, 2017, at 3:46 PM, [email protected] wrote:
>>>> 
>>>> I don’t understand what someone was thinking, but you CANNOT #include 
>>>> “mpi.h” in opal/util/info.c. It has broken pretty much every downstream 
>>>> project.
>>>> 
>>>> Please fix this!
>>>> Ralph
>>>> 
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