Re: [PATCH v3 3/7] selftests/nolibc: add extra configs customize support

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On Sun, Jul 30, 2023 at 12:54:45AM +0800, Zhangjin Wu wrote:
> > Also I find it odd to use $(ARCH) here, I would have expected $(XARCH)
> > since you probably want to distinguish ppc64 from ppc for example.
> >
> 
> Yes, we do, but the XARCH and ARCH mmapping patch is the 4th, will
> update this to XARCH, this one is the 3th one, do we need to add this
> one after the 4th one?

OK indeed it's the 4th one that will modify this one then, no need
to reorder.

> > > > something like "make nolibctestconfig" to make an existing config ready for
> > > > nolibc-test.
> > > 
> > > Do you mean rename 'defconfig' to 'nolibctestconfig'? or something
> > > nolibc-test-config:
> > > 
> > >     nolibc-test-config:
> > > 	$(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) mrproper $(DEFCONFIG) prepare
> > > 	$(Q)$(srctree)/scripts/kconfig/merge_config.sh -O "$(srctree)" -m "$(srctree)/.config" $(foreach c,$(EXTRA_CONFIG),$(wildcard $(CURDIR)/configs/$c))
> > > 	$(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) KCONFIG_ALLCONFIG="$(srctree)/.config" allnoconfig
> > > 
> > > It looks too long ;-)
> > 
> > I think that as long as we don't claim to call topdir's makefile targets
> > from this directory, we can reuse some similarly named targets which are
> > documented in "make help" and are non-ambiguous.
> 
> Seems 'nolibc-test-config' is really more meaningful than 'defconfig', especially
> when we want to use tinyconfig through it?
> 
>     $ make nolibc-test-config DEFCONFIG=tinyconfig

As a user, I'd ask "why not make tinyconfig" ? But see my other message,
now I'm having strong doubts about the relevance of tinyconfig if it works
as bad as you described it.

Willy



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