[Buildroot] [PATCH] pkg-infra: limit -reconfigure and -rebuild actions

["Émeric Vigier" <emeric.vigier@savoirfairelinux.com>]

Thanks for coming up with a patch following yesterday discussion. Got some comments though:

----- Mail original -----
> The -reconfigure and -rebuild per package targets unconditionally
> recreate the root filesystem image by depending on the all target.
> Restrict their actions to their package instead.
> 
> Signed-off-by: Richard Braun <rbraun@sceen.net>
> ---
>  package/pkg-generic.mk |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/package/pkg-generic.mk b/package/pkg-generic.mk
> index c01440e..f5b05a3 100644
> --- a/package/pkg-generic.mk
> +++ b/package/pkg-generic.mk
> @@ -389,12 +389,12 @@ endif
>  			rm -f $$($(2)_TARGET_INSTALL_IMAGES)
>  			rm -f $$($(2)_TARGET_INSTALL_HOST)
>  
> -$(1)-rebuild:		$(1)-clean-for-rebuild all
> +$(1)-rebuild:		$(1)-clean-for-rebuild $(1)
>  
>  $(1)-clean-for-reconfigure: $(1)-clean-for-rebuild
>  			rm -f $$($(2)_TARGET_CONFIGURE)
>  
> -$(1)-reconfigure:	$(1)-clean-for-reconfigure all
> +$(1)-reconfigure:	$(1)-clean-for-reconfigure $(1)-configure

Your patch makes -reconfigure clean-for-rebuild and then (just) -configure, without rebuilding.
That's ok to me, but you have to choose between:

1. updating docs/manual/rebuilding-packages.txt accordingly, especially:
"For convenience, most packages support the special make targets
<package>-reconfigure and <package>-rebuild to repeat the configure
and build steps"

2. or keep -reconfigure rebuilding the entire package, i.e.:
-+$(1)-reconfigure:	$(1)-clean-for-reconfigure $(1)-configure
++$(1)-reconfigure:	$(1)-clean-for-reconfigure $(1)

>  
>  # define the PKG variable for all targets, containing the
>  # uppercase package variable prefix
> --
> 1.7.2.5
> 
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-- 
Emeric