Hi, On Fri, 16 Feb 2007, Kumar Gala wrote:
> > Could you please be more specific about the problem you're trying to > > solve, instead of how you're trying to solve it? > > A real example would help a lot to understand the actual problem. > > Sure, on powerpc for some of the embedded sub-architectures you can only > select a single board to build for. For a lot of people this is sufficient, > however we are moving towards a world where you can easily build in support > for multiple boards into a single kernel. > > I'd like to have it such that if I'm only building support for one board > (CONFIG_ONLY_HAVE_ONE, not going to call it that, but for this discussion its > sufficient), you get a choice menu from Kconfig enforcing the ability to only > select one board. However if !CONFIG_ONLY_HAVE_ONE than you can select > multiple boards to build into your kernel. > > if CONFIG_ONLY_HAVE_ONE is set we can optimize out the runtime checks that get > added for handling the multiple board case. On m68k we have the same problem, but what I'm what I'm considering is to add a new mode for choice groups - at least one must be selected and kconfig generates the extra information if only one is selected. bye, Roman - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/