[Buildroot] [PATCH RFC] pkg-kconfig: support alternative .config location

[Yann E. MORIN <yann.morin.1998@free.fr>]

?ric, All,

On 2016-09-11 20:07 +0200, Eric Le Bihan spake thusly:
> Le Sun, 11 Sep 2016 19:34:03 +0200,
> "Yann E. MORIN" <yann.morin.1998@free.fr> a ?crit :
> 
> > On 2016-09-11 19:07 +0200, Eric Le Bihan spake thusly:
> > > Kconfig clones, such as openconf used by xvisor [1], do not look
> > > for .config at the root of the build directory, but in a
> > > subdirectory (e.g. build/openconf).
> > > 
> > > This patch introduces a new Makefile variable named
> > > $(2)_KCONFIG_BUILD_FILE, which defaults to $$($(2)_DIR)/.config and
> > > can be overridden in the package Makefile.
> > > 
> > > This allows the use of the kconfig-package infrastructure with
> > > packages relying on such clones.
> > > 
> > > [1] https://github.com/xvisor/xvisor/tree/master/tools/openconf
> > > 
> > > Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>
> > > ---
> > >  package/pkg-kconfig.mk | 14 ++++++++------
> > >  1 file changed, 8 insertions(+), 6 deletions(-)
> > > 
> > > diff --git a/package/pkg-kconfig.mk b/package/pkg-kconfig.mk
> > > index b0f5178..82561de 100644
> > > --- a/package/pkg-kconfig.mk
> > > +++ b/package/pkg-kconfig.mk
> > > @@ -36,6 +36,7 @@ $(2)_KCONFIG_EDITORS ?= menuconfig
> > >  $(2)_KCONFIG_OPTS ?=
> > >  $(2)_KCONFIG_FIXUP_CMDS ?=
> > >  $(2)_KCONFIG_FRAGMENT_FILES ?=
> > > +$(2)_KCONFIG_BUILD_FILE ?= $$($(2)_DIR)/.config  
> > 
> > I think it would be better to name the variable
> > $(2)_KCONFIG_DOTCONFIG_FILE or maybe just $(2)_KCONFIG_DOTCONFIG.
> 
> OK.

Before changing the variable name, please a bit ofr others to comment.

> > Otherwise, the rest of the patch is a mere search-and-replace, so
> > looks pretty OK.
> > 
> > However, I don't see the point in having that in Buildroot without an
> > actuall package that uses that. Do you plan in sending such a package
> > (like xvisor)?
> 
> Yes, I will send a patch to add a xvisor package shortly.

Great! Can you make that a series: this patch followed by the xvisor one?

Regards,
Yann E. MORIN.


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