Re: Instability in Hydra build

[PhilipNienhuis]

Mike Miller-4 wrote
> On Fri, Apr 08, 2016 at 11:08:21 -0700, Rik wrote:
>> Maybe so.  Is there an simple way to configure an i686 build on an x86_64
>> machine (assuming all 32-bit libraries are downloaded)?  Or is it easier
>> to
>> use a virtual machine, install an i686 OS, and then go from there?  What
>> are people using for virtual machines these days?  I've used VMware and
>> Virtual Box in the past, but it is still often a struggle.
> 
> Yes, assuming all 32-bit libraries are present and you have gcc multilib
> installed, you can configure with "-m32" added to CFLAGS, CXXFLAGS,
> FFLAGS.
> 
> I think that's a non-starter on Debian because a lot of the math/sci
> libraries are not yet multiarched, so it's harder to install a 32-bit
> blas, etc.
> 
> I've used both docker and vagrant to set up containers or VMs to build
> Octave for other distros. I like these approaches because they are
> command line driven and they allow me to easily share my Octave build
> directory with the guest OS. I can write up something on how to set up
> either if needed.

Would mxe-octave be able to somehow do the job of building a 32-bit "native"
build for Linux incl. all dependencies?

In the past I've used mxe-octave for building 64-bit indexing Linux builds;
so I'd expect 32-bit builds should be possible - somehow.

Philip



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