[Buildroot] [PATCH] Makefile: improve $(TARGET_DIR) (re)creation

[Bjørn Forsman]

2011/2/13 Bjørn Forsman <bjorn.forsman at gmail.com>:
> This patch fixes the following use case:
>
>  1. Build, hack, ...
>  2. Oh no, $(TARGET_DIR) is no longer in sync with $(TARGET_SKELETON)
>    and/or the packages selected in menuconfig. If only there was a way
>    to *easily* rebuild $(TARGET_DIR) so it is in sync...
>
> With this patch, just remove $(TARGET_DIR) and Buildroot will recreate
> it.
>
> Main changes:
>  * Always copy $(TARGET_SKELETON). This is the easiest way to ensure
>   $(TARGET_DIR) has the latest skeleton.
>  * If $(TARGET_DIR) needs to be created (i.e. if the directory is
>   missing), remove $(BUILD_DIR)/*/.stamp_target_installed files so
>   all currently selected packages will be reinstalled.

I just realized that linux.mk also needs patching for TARGET_DIR
rebuild (to ensure kernel modules are installed). But before I post
that I'd like to get some feedback on this approach...ack/nak?

Best regards,
Bjørn Forsman