Bug#739697: src:dolfin: FTBFS on armhf and mips: virtual memory exhausted: Cannot allocate memory

[peter green]

peter green wrote:
> I've been doing some tests on this interestingly it failed for me much 
> earlier than on the buildd, maybe different systems give slightly 
> different ammounts of usable address space or something. Anyway 
> reducing optimisation levels etc doesn't seem to help, switching to 
> 4.7 is looking more promising.
4.7 also ran into memory exhaustion problems (though later in the build
than 4.8 did), 4.6 was able to build it successfully on armhf. Still
need to test it on mips.

I also ran into an issue with boost which I had to add a workarround for.