[U-Boot] U-Boot build error when switch different SoC without clean

[Bin Meng]

On Mon, Jul 22, 2019 at 11:10 AM Kever Yang <kever.yang at rock-chips.com> wrote:
>
> Hi,
>
>      I always met below error when build latest U-Boot for different board
>
> and defconfig without "make clean", anyone know how to fix this?
>
>    LD      lib/efi_loader/helloworld_efi.so
> lib/efi_loader/efi_crt0.o: file not recognized: File format not recognized
>    CC      lib/strto.o
> scripts/Makefile.lib:394: recipe for target
> 'lib/efi_loader/helloworld_efi.so' failed
> make[2]: *** [lib/efi_loader/helloworld_efi.so] Error 1
> scripts/Makefile.build:432: recipe for target 'lib/efi_loader' failed
> make[1]: *** [lib/efi_loader] Error 2
>

+Heinrich who may have some idea.

Regards,
Bin