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

[Bjørn Forsman]

On 15 February 2011 13:10, Daniel Nyström
<daniel.nystrom at timeterminal.se> wrote:
> 2011/2/15 Bjørn Forsman <bjorn.forsman at gmail.com>:
>> 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?
>
> I'm afraid I can't say anything about this particular approach (I
> don't even have time to test it right now) but I do would love a way
> to regenerate the target dir.

It's good to know I'm not the only one wanting this :-)

I just runtime tested this and got:

  target> ls
  ls: can't load library 'libgcc_s.so.1'

The fix seems to be `rm -f $(STAMP_DIR)/gcc_libs_target_installed`.
I'll add it in the next version.

Best regards,
Bjørn Forsman