On Tue, Mar 25, 2014 at 4:48 PM, Arnd Bergmann <a...@arndb.de> wrote:
> We specifically build the kernel with -Werror=date-time to detect
> such macros, which gives us this error:
>
> gs_fpgaboot/gs_fpgaboot.c:376:44: error: macro "__TIMESTAMP__" might prevent 
> reproducible builds [-Werror=date-time]
>   pr_info("built at %s UTC\n", __TIMESTAMP__);

Worse, gcc 4.1.2 doesn't seem to understand __TIMESTAMP__:

drivers/staging/gs_fpgaboot/gs_fpgaboot.c: In function ‘gs_fpgaboot_init’:
drivers/staging/gs_fpgaboot/gs_fpgaboot.c:376: error: ‘__TIMESTAMP__’
undeclared (first use in this function)
drivers/staging/gs_fpgaboot/gs_fpgaboot.c:376: error: (Each undeclared
identifier is reported only once
drivers/staging/gs_fpgaboot/gs_fpgaboot.c:376: error: for each
function it appears in.)

> The obvious fix is to remove the printk output line.
>
> Signed-off-by: Arnd Bergmann <a...@arndb.de>

Acked-by: Geert Uytterhoeven <ge...@linux-m68k.org>

> diff --git a/drivers/staging/gs_fpgaboot/gs_fpgaboot.c 
> b/drivers/staging/gs_fpgaboot/gs_fpgaboot.c
> index 89bc84d..7506900 100644
> --- a/drivers/staging/gs_fpgaboot/gs_fpgaboot.c
> +++ b/drivers/staging/gs_fpgaboot/gs_fpgaboot.c
> @@ -373,7 +373,6 @@ static int __init gs_fpgaboot_init(void)
>         r = -1;
>
>         pr_info("FPGA DOWNLOAD --->\n");
> -       pr_info("built at %s UTC\n", __TIMESTAMP__);
>
>         pr_info("FPGA image file name: %s\n", file);
>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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