[U-Boot] Compiling fw_printenv tool

[Detlev Zundel]

Hi Alexey,

> I'm trying to compile fw_printenv, to work with U-Boot environment
> variables under my linux os. I'm using commands:
> $ cd u-boot/
> $ make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- env
>
> The tool compiles successfully, I get the executable under
> u-boot/tools/env/fw_printenv, but it seem to be compiled for my host
> machine.
> On my device it says:
> # ./fw_printenv: line 1: syntax error: "(" unexpected
>
> How do I cross compile it for my embedded system? Do I just set the
> HOSTCC environment variable in the Makefile?

No changes in any makefiles are needed, just do

make HOSTCC=arm-none-linuex-gnueabi-gcc env

We should really turn this into an documentation item.  Does anybody
hava a good idea where to put it?

Cheers
  Detlev

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Progress in  mathematics comes from  repeated acts of generalization.
If mathematics is anything, it is the art of chosing the most elegant
generalization for some abstract pattern.  Thus esthetics is central.
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