Hi Arnaldo,
Can you please pick up this.
-Ravi
On Wednesday 31 August 2016 01:33 PM, Ravi Bangoria wrote:
> 'make -C tools/perf build-test' is failing with below log for poewrpc.
>
> In file included from
> /tmp/tmp.3eEwmGlYaF/perf-4.8.0-rc4/tools/perf/perf.h:15:0,
> from util/cpumap.h:8,
> from util/env.c:1:
> /tmp/tmp.3eEwmGlYaF/perf-4.8.0-rc4/tools/perf/perf-sys.h:23:56:
> fatal error: ../../arch/powerpc/include/uapi/asm/unistd.h: No such file or
> directory
> compilation terminated.
>
> I bisected it and found it's failing from commit ad430729ae00 ("Remove:
> kernel unistd*h files from perf's MANIFEST, not used").
>
> Header file '../../arch/powerpc/include/uapi/asm/unistd.h' is included
> only for powerpc in tools/perf/perf-sys.h.
>
> By looking closly at commit history, I found little weird thing:
>
> Commit f2d9cae9ea9e ("perf powerpc: Use uapi/unistd.h to fix build
> error") replaced 'asm/unistd.h' with 'uapi/asm/unistd.h'
>
> Commit d2709c7ce4c5 ("perf: Make perf build for x86 with UAPI
> disintegration applied") removes all arch specific 'uapi/asm/unistd.h'
> for all archs and adds generic <asm/unistd.h>.
>
> Commit f0b9abfb0446 ("Merge branch 'linus' into perf/core") again
> includes 'uapi/asm/unistd.h' for powerpc. Don't know how exactly this
> happened as this change is not part of commit also.
>
> Signed-off-by: Ravi Bangoria <ravi.bango...@linux.vnet.ibm.com>
> ---
> tools/perf/perf-sys.h | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h
> index 7ed72a4..e4b717e 100644
> --- a/tools/perf/perf-sys.h
> +++ b/tools/perf/perf-sys.h
> @@ -20,7 +20,6 @@
> #endif
>
> #ifdef __powerpc__
> -#include "../../arch/powerpc/include/uapi/asm/unistd.h"
> #define CPUINFO_PROC {"cpu"}
> #endif
>
