Re: failure of cross-compilation detection on BlueGene/L

[Christian Rössel]

Steven G. Johnson schrieb:
> Christian Rössel wrote:
> > Therefore I'm not sure if my macro will be general enough to be 
> > included in config.guess. But a macro 
> > AC_SET_HOST_FOR_CROSS_COMPILE_SUPERCOMPUTERS will be useful for many 
> > applications.
>
> So, all packages that you might potentially want to cross-compile onto 
> supercomputers, from guile to libpng to fftw, are supposed to add this 
> macro to their configure.ac files?  

Of course not. Many applications doesn't mean all applications.

> That doesn't seem very scalable, and 
> it will have the side effect of breaking those packages when the user 
> attempts to compile them for the front-end nodes.  

There are packages that are intended to run on compute nodes only when 
on front-end/back-end machines.

Christian