Em Sun, Mar 27, 2016 at 05:06:18PM +1100, Stephen Rothwell escreveu:
> Hi all,
>
> After merging the fixes tree, today's linux-next build (perf powerpcle)
> failed like this:
>
> arch/powerpc/util/header.c:17:1: error: no previous prototype for 'get_cpuid' [-Werror=missing-prototypes]
> get_cpuid(char *buffer, size_t sz)
> ^
> arch/powerpc/util/header.c: In function 'get_cpuid':
> arch/powerpc/util/header.c:24:7: error: implicit declaration of function 'scnprintf' [-Werror=implicit-function-declaration]
> nb = scnprintf(buffer, sz, "%lu,%lu$", PVR_VER(pvr), PVR_REV(pvr));
> ^
> arch/powerpc/util/header.c:24:2: error: nested extern declaration of 'scnprintf' [-Werror=nested-externs]
> nb = scnprintf(buffer, sz, "%lu,%lu$", PVR_VER(pvr), PVR_REV(pvr));
> ^
>
> Caused by commit
>
> 531d2410635c ("perf tools: Do not include stringify.h from the kernel sources")
>
> I added the following fix patch for for today:
I have the fix and got a docker image with ubuntu cross-compiling to
ppc64 and ppc64le, will submit the patch now.
- Arnaldo
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Sun, 27 Mar 2016 14:44:26 +1100
> Subject: [PATCH] perf tools: we stil need header.h for various things
>
> Fixes: 531d2410635c ("perf tools: Do not include stringify.h from the kernel sources")
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> tools/perf/arch/powerpc/util/header.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/tools/perf/arch/powerpc/util/header.c b/tools/perf/arch/powerpc/util/header.c
> index 6138bdef6e63..8a0191a11f87 100644
> --- a/tools/perf/arch/powerpc/util/header.c
> +++ b/tools/perf/arch/powerpc/util/header.c
> @@ -5,6 +5,8 @@
> #include <string.h>
> #include <linux/stringify.h>
>
> +#include "../../util/header.h"
> +
> #define mfspr(rn) ({unsigned long rval; \
> asm volatile("mfspr %0," __stringify(rn) \
> : "=r" (rval)); rval; })
> --
> 2.7.0
>
> --
> Cheers,
> Stephen Rothwell
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