Re: ARCH=arm or CROSS_COMPILE=arm-linux- or both ?

["Rajat Jain" <rajat.noida.india@xxxxxxxxx>]

> I read in Karim Yaghmour's book that to cross compile the kernel and
> other packages I need these two arguments.
>
> But when I see other kernel cross compiling guide they only say to
> use the ARCH=arm.
>
> so.. do I need both of them ? or just the ARCH one ?

ARCH is certainly required, because it will select the approprieate
directory to compile from arch/* and headers to include from
include/asm-*.

CROSS_COMPILE may not be needed if you have the default cross compiler
for the architecture (arm-linux-gcc?) in your PATH. However, if that
is not the case, or you have multiple versions cross compilers
installed, it is recommened that you give CROSS_COMPILE=

Thanks,

Rajat

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