[U-Boot] Full paths when compiling

[Bin Meng]

Hi Simon,

On Mon, Jan 5, 2015 at 10:11 AM, Simon Glass <sjg at chromium.org> wrote:
> Hi Masahiro,
>
> I notice that when compiling I get the full paths to the source when I
> use __FILE__:
>
> /home/sjg/c/src/third_party/u-boot/files/cros/lib/readwrite.c:
> vboot_rw_select_kernel: VbSelectAndLoadKernel: 65552
> /home/sjg/c/src/third_party/u-boot/files/cros/lib/vboot.c:
> vboot_set_error: Stage 'VbSelectAndLoadKernel' produced vboot error
> 0x10010
> /home/sjg/c/src/third_party/u-boot/files/cros/vboot/stages.c:
> vboot_run_stage: Error: stage 'rw_selectkernel' returned -1
>
> Is there a way to only get the relative path, say "cros/lib/readwrite.c"?
>

I believe you are asking for a preprocessor level solution in gcc?
Unforunately AFAIK there is no such support in gcc. We have to do it
ourselves with some runtime string operations :-<

Regards,
Bin