[U-Boot] [PATCH] build:arm: Remove setting of CROSS_COMPILE environment variable

[Lukasz Majewski]

Hi Tom,

> On Tue, Mar 18, 2014 at 04:46:48PM +0100, Lukasz Majewski wrote:
> 
> > After Kbuild introduction, the CROSS_COMPILE environment variable
> > has been set to some default value (prefix arm-linux-).
> 
> Note that this is quite a long-standing thing.  Perhaps we're now not
> detecting a native build when we used to?

My point is that we are relying on assigning default prefix (i.e.
arm-linux-)

For example OSELAS toolchains can have an arbitrary prefix
(e.g. arm-linux-gnueabi-).

When I cross compile I set explicitly "CROSS_COMPILE=<toolchain> make"
and it works as it should (with or without this patch). Such approach
seems natural for me.

However, I don't know what is the exact rationale for seting this
arm-linux- prefix to CROSS_COMPILE.
I can only guess, that it is connected with situation when one just
type "make" on x86_64 host and expect u-boot to be CROSS_COMPILE'd
out of the box.

Unfortunately this doesn't work with ARM host emulated with qemu (like
OBS). Here when I type "make" I expect that "native" gcc for arm will
run without even touching CROSS_COMPILE environment variable.

Any idea how to fix this is more than welcome.

Best regards,
Lukasz Majewski



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