[Buildroot] [PATCH 2/2] Makefile: don't recreate staging symlink if it exists

Thomas Petazzoni thomas.petazzoni at bootlin.com
Tue Feb 18 18:44:18 UTC 2020


On Tue, 18 Feb 2020 18:59:49 +0100
Thomas De Schampheleire <patrickdepinguin at gmail.com> wrote:

> > The question that comes to mind is: why are you building something
> > against the Buildroot toolchain/sysroot, before the Buildroot build has
> > completed ?  
> 
> No, the initial Buildroot build _is_ completed first. Then the
> application build starts according to the scenario described.
> In our case, the extra Buildroot 'make' is done to let Buildroot
> create the images, passing a custom TARGET_DIR which is an extended
> copy of the original output/target. This step happens multiple times
> for different boards, out of the same Buildroot (the boards differ a
> bit in our own software plus perhaps some other customization done in
> the rootfs). From the perspective of the application build, the fact
> that Buildroot 'make' is called shouldn't matter because all the files
> it needs will not be touched. Buildroot itself is also retained as-is,
> except it is asked to produce images.

Ah, ok. Convoluted use case, but OK. Anyway, the change makes sense, so
we'll apply. Thanks for the additional explanation!

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com


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