Re: [RFC] build with OpenMP by default?

[Tatsuro MATSUOKA]

--- On Tue, 2014/4/22, Mike Miller wrote:

> Is it time to build Octave with OpenMP by default? It looks to me like
> it's been an "experimental" disabled-by-default option since the 3.4.0
> release. It has been enabled in Debian and Ubuntu builds since 3.4.3
> was released in late 2011 and I'm not aware of any negative
> consequences.
> 
> Autoconf now provides a AC_OPENMP macro with a --disable-openmp
> option, we could use this to handle setting up OpenMP to be consistent
> with other projects.
> 
> See bug #41699 [1] for my motivation for enabling OpenMP by default
> (segfault when exiting or unloading oct-files that use OpenMP).
> 
> Also there might be extra steps needed to build with OpenMP using MXE,
> have any MXE builders looked into it?
> 
> [1] https://savannah.gnu.org/bugs/?41699
> 
In the thread
http://octave.1599824.n4.nabble.com/octave-install-td4663500.html

Octave build failed with hdf5-openmp on Ubuntu.
I would like to try to build octave with openmp on Ubuntu 12.04 LTS.

If there are some tips, it would be good for me that you tell them.

Thanks in advance.

Tatsuro