[Buildroot] export ARCH and CROSS_COMPILE for the post build script

[Thierry Bultel <thierry.bultel@wanadoo.fr>]

Le 18/10/2012 19:12, Thomas Petazzoni a ?crit :
> Dear Thierry Bultel,
>
> On Thu, 18 Oct 2012 17:31:20 +0200, Thierry Bultel wrote:
>
>>>> What do you think about it ?
>>> Why don't you create a Buildroot package to build your external
>>> application? It sounds much more logical.
>>
>> That was my very first idea.
>> But I wanted to keep the Buildroot tree unchanged.
>
> You can keep your Buildroot tree unchanged and still have Buildroot
> packages for your own application:
>
>   buildroot/
>   mysystem/
>      mysystem.mk
>      packages/
>         myapp/myapp.mk
>         myotherapp/myotherapp.mk
>
> And then you can do something like this in mysystem.mk:
>
> BR2_PACKAGE_MYAPP=y
> BR2_PACKAGE_MYOTHERAPP=y
> include packages/*/*.mk
>
> And your Buildroot configuration, set BR2_PACKAGE_OVERRIDE_FILE to
> "$(TOPDIR)/../system.mk".
>

Thanks, that is exactly what I need.

>> And at the time I took the decision, I did not find out how
>> to make such a package be built after all the others.
>
> Why would you want to do that absolutely? If your packages have
> dependencies, put them in <yourpackage>_DEPENDENCIES, and your package
> will be built after its required dependencies. There is no reason to
> build after *all* packages.

You are right, even if I need quite a lot of things, this does not
mean all the packages. And it is valuable to maintain a known
list of dependencies.

Thanks
Thierry
>
> Thomas
>