[U-Boot] u-boot tools and build system

[Otavio Salvador]

On Thu, Jan 22, 2015 at 11:11 AM, Raphael Philipe <rapphil at gmail.com> wrote:
> Thank you Wolfgang,
>
> For the especific case of the env tool, One can build it to run on the
> host to produce a environment variables binary file for the target
> (This can be used while building some image to be written in a sd
> card, spi flash or the like). For this specific case I'm in doubt on
> how to compile it. I'm trying to compile it for beaglebone black.
>
> I was able to compile it, but I'm not sure if I did it properly.
> Moreover I would like to know the role of HOSTCC in it and if it is
> correct to access it directly.
>
> I used the following commands:
>
> make am335x_evm_config CROSS_COMPILE=arm-poky-linux-gnueabi-
> HOSTCC="gcc " CC="arm-poky-linux-gnueabi-gcc  -march=armv7-a
> -mfloat-abi=hard -mfpu=neon -mtune=cortex-a8 "
> make env CROSS_COMPILE=arm-poky-linux-gnueabi- HOSTCC="gcc "
> CC="arm-poky-linux-gnueabi-gcc  -march=armv7-a -mfloat-abi=hard
> -mfpu=neon -mtune=cortex-a8 "
>
> Using this approach, I can compile code for the host that is dependent
> on the target architecture.
>
> All of this makes sense?

It does as the env tools rely on the target setup (environment size,
offset, ...) to do its job. So it does make sense.

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750