Re: DLD-FUNCTIONS/nprocs.cc:29:25: error: sys/sysinfo.h: No such file or directory

[Ben Abbott]

On Mar 17, 2011, at 8:25 AM, Iain Murray wrote:

> On Thu, Mar 17, 2011 at 04:17:27AM -0400, Ben Abbott wrote:
>> On Mar 16, 2011, at 10:19 PM, Rik wrote:
>>> On 03/16/2011 06:12 PM, Ben Abbott wrote:
>>>> After the changset below ...
>>>> 
>>>>    http://hg.savannah.gnu.org/hgweb/octave/rev/a1b2da4967ac
>>>> 
>>>> ... I encounter an error ...
> ...
>>> This is sort of a drag as the whole point was to have access to the
>>> underlying gnulib module which should be portable.
>> 
>> I'm not familiar with this either, but I infer that we should be using the 
>> gnulib nproc module.
>> 
>> I assume there is some problem with that?
> 
> No, I just messed up. Sorry. I had misread the gnulib manual and thought
> that it magically provided drop-in replacements of nprocs and
> nprocs_conf. In fact, as I think Ben already knew, its nproc module
> provides similar functionality through its function called
> "num_processors".
> 
> I have updated nprocs.cc. It no longer provides `nprocs' and
> `nprocs_conf', as we can't actually call native system routines of these
> names across different platforms. Instead it provides `nproc', which
> like the newish coreutils program of the same name, uses gnulib's
> `num_processors' function. The new function takes an optional argument
> to access the functionality available in the underlying gnulib routine.
> 
> An hg changeset is attached to this email. I don't know if that makes it
> through the mailing list, so I'll attach it to the patch queue item at:
>    http://savannah.gnu.org/patch/index.php?7504
> as well.
> 
> If Ben could see if this works in Mac OS that would be great. I only
> have access to GNU/Linux here.
> 
> Iain.
> <nproc_gnulib.diff>


Works for me!

octave:1> nproc
ans =  4

Thanks,
Ben