Re: [MiNT] Still don't get it - difference between 68020 and 68020-60

[Alan Hourihane <alanh@fairlite.co.uk>]

On Sun, 2010-06-20 at 17:46 +0200, Vincent Rivière wrote:
> Alan Hourihane wrote:
> > This is tricky, and I'm not sure what normal "configure" scripts do with
> > multilib. I suspect it may mean building the package multiple times to
> > get the required libraries rather than trying to fix the build to build
> > them in a single pass. Here I mean using "CFLAGS=-mshort -m68000" etc,
> > etc, etc. on each "configure" pass.
> 
> Yes, I think source packages should totally ignore the multilibs.
> We just have to configure/make them multiple times, the best way is probably 
> simply by overriding the CC variable, for example CC="gcc -m68030 -mshort". 
> This is not a lie, since different multilib settings means actually 
> different and incompatible compilers.
> For example, for SpareMiNT, I would like to see a script which takes a 
> source RPM as input, asks GCC for the list of available multilibs, run 
> iteratively the rpm command with a CC override, so all the binary packages 
> for executables will be built.
> For library -devel packages, that multilib loop should be put inside the rpm 
> spec in order to provide all the multilib libraries in the unique -devel 
> package.
> 
> > Sure. But the main part here is the GCC patch. We should be enabling
> > developers to do the maximum possibly with our platform. Once that's in
> > place, it's the package maintainers responsibility or developer to
> > choose on how they work.
> 
> That's really easy. GCC is probably one of the very rare GNU package aware 
> of multilibs. Keith showed the config file recently. We just have to put 
> what we want into that file, and it will automatically build libgcc and so 
> on for all the defined multilibs.
> 
> > If we can sort out the GCC part, the rest will follow :-)
> 
> GCC is not a problem at all.
> Will the rest follow ?

It's not a matter of will, it's making the choice available. That's what
I was really trying to say.

Alan.