Hello all!
Sorry to jump into the discussion, but...
On Thursday 24 May 2007 08:40, Sam Ravnborg wrote:
> The intent with this is clear but the solution you suggest albeit simple
> does not really match where we could end up with kconfig.
> Recently Roman added support for options in the kconfig language
> and I would assume we could deal with most of this just using options.
>
> One example could be to support options for the mainmenu entrye like this:
>
> mainmenu "Busybow config system"
> option project="Busybox"
> option version="$VERSION" <= Where '$' signify an environment variable
I would rather suggest a kind of 'namespace' thing. This way, one could use
the kconfig language for a project (eg. buildroot) and include sub-Kconfig
files from other sub-projects (eg. kernel), thus making all configurable
from the same menu.
Something like (syntax proposal):
----8<----
mainmenu "Buildroot config system"
option prefix="" <= prefix to config options
config foo => foo=y / # foo is not set
blah blah blah...
namespace "Buildroot options"
option project="Buildroot"
option version="${VERSION}" <= To avoid $VERSION_test ambiguity
option prefix="BR2_" <= prefix to config options
config bar => BR2_bar=y / # BR2_bar is not set
blah blah blah...
endnamespace
namespace "Linux Kernel options"
option project="Linux"
option version="..."
option prefix="CONFIG_"
include "${BR2_KERNEL_DIR}/arch/${BR2_ARCH]/Kconfig"
endnamespace
----8<----
Then with a simple grep -E '^CONFIG_' one can easily extract the kernel
options from the others.
We _may_ need to support nested namespaces also, concatenating the prefixes.
I once tried to do such thing, but I'm lacking good lex/yacc fu, and I
miserably failed... :-(
Comments?
Regards,
Yann E. MORIN.
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