On Wed, Jul 30, 2014 at 08:08:02PM -0600, Stephen Warren wrote: > On 07/30/2014 07:56 PM, Masahiro Yamada wrote: > > Hi Stephen, > > > > > > On Wed, 30 Jul 2014 17:05:21 -0600 > > Stephen Warren <swar...@wwwdotorg.org> wrote: > > > >> On 07/29/2014 11:08 PM, Masahiro Yamada wrote: > >>> This commit enables Kconfig. > >>> Going forward, we use Kconfig for the board configuration. > >>> mkconfig will never be used. Nor will include/config.mk be generated. > >>> > >>> Kconfig must be adjusted for U-Boot because our situation is > >>> a little more complicated than Linux Kernel. > >>> We have to generate multiple boot images (Normal, SPL, TPL) > >>> from one source tree. > >>> Each image needs its own configuration input. > >>> > >>> Usage: > >>> > >>> Run "make <board>_defconfig" to do the board configuration. > >> > >> This is quite unfortunate; it breaks any scripts that were building U-Boot > >> via "make <board>_config; make". Can't we add another rule to allow the > >> old build commands to work? > > > > > > Technically, yes. I think we can. > > > > But I do not like having it permanently. > > > > > > So, we support both *_defconfig and *_config for a while (maybe 6 months or > > so?) > > and then remove *_config. > > > > Deal? > > If the old command-line is ever going to be removed, there's no point > supporting both at all; I'd have to hack my scripts to support both > sometime, so I may as well do it now rather than wait. > > >> Otherwise, I guess I'll have to hack my scripts to check whether e.g. > >> scripts/multiconfig.py (which was added in this commit) is present in the > >> tree, and execute different build commands based on that... > > > > > > Do you mean, you need to build some different versions of U-boot ? > > Yes. I own some scripts that build U-Boot, and they need to work on any > reasonable version of U-Boot that anyone might want to build. For > example, they build 2014.07 just fine, and there's no reason they should > ever stop being able to do that. I obviously also want my scripts to be > able to build any future version of U-Boot.
So long as we have MAKEALL (and we'll have the discussion about moving to buildman sometime soon) this just becomes: if [ -x tools/genboardscfg.py ]; then tools/genboardscfg.py fi MAKEALL machine-name -- Tom
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