On Thu, 18 Jul 2013 09:47:02 +0200 "Yann E. MORIN" <yann.morin.1998@xxxxxxx> wrote: > > > > I prefer the "option exec" approach, actually. That way the shell-outs > > are colocated with the code which uses > > Indeed, but in this case, all the checks will be spread-out in the Kconfig > files, and not easily locatable. Having all in a single script will also > more easily raise eyebrows when that script appears in a diffstat. Noticing > the 'exec' option risks being a bit less easy. Eh, there are a million ways to screw up the kernel. > But, that's not my call to decide. ;-) > > > them and they will only be executed > > if you've actually selected that subsystem for building (I think?). > > If I understand the code correctly (which is still to be proven), the > exec option is run at parse-time, once. Yes, but not every Kconfig file in the tree gets parsed every time. For example, if arch/arm/Kconfig uses "option exec=some-slow-thing", x86 users won't execute some-slow-thing. This is good. -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html