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SubjectRe: [PATCH] staging: gs_fpgaboot: remove __TIMESTAMP__ macro
On Tue, Mar 25, 2014 at 4:48 PM, Arnd Bergmann <> 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 <>

Acked-by: Geert Uytterhoeven <>

> 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);



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

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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