[OE-core] [PATCH] perf: make sure that the tools/include/uapi/asm-generic directory exists

[Khem Raj]

On Sat, May 11, 2019 at 7:08 AM Martin Jansa <martin.jansa at gmail.com> wrote:
>
> * before trying to copy unistd.h into it
>
> * older kernels don't have uapi in tools/include and do_configure fails
>   with:
>   DEBUG: Executing shell function do_configure
>   cp: cannot create regular file '.../perf/1.0-r9/perf-1.0/tools/include/uapi/asm-generic/unistd.h':
>   No such file or directory
>   WARNING: exit code 1 from a shell command.
>
> * tools/include/uapi was added in kernel 4.8 with
>   https://github.com/torvalds/linux/commit/c4b6014e8bb0c8d47fe5c71ebc604f31091e5d3f
>   tools: Add copy of perf_event.h to tools/include/linux/
>
> Signed-off-by: Martin Jansa <Martin.Jansa at gmail.com>
> ---
>  meta/recipes-kernel/perf/perf.bb | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/meta/recipes-kernel/perf/perf.bb b/meta/recipes-kernel/perf/perf.bb
> index 546076f84b..215d0a38f9 100644
> --- a/meta/recipes-kernel/perf/perf.bb
> +++ b/meta/recipes-kernel/perf/perf.bb
> @@ -238,6 +238,7 @@ do_configure_prepend () {
>
>      # unistd.h can be out of sync between libc-headers and the captured version in the perf source
>      # so we copy it from the sysroot unistd.h to the perf unistd.h
> +    [ -d ${S}/tools/include/uapi/asm-generic/ ] || mkdir -p ${S}/tools/include/uapi/asm-generic/
>      cp ${STAGING_INCDIR}/asm-generic/unistd.h ${S}/tools/include/uapi/asm-generic/unistd.h

you can also use
install -D 0644 ${STAGING_INCDIR}/asm-generic/unistd.h
${S}/tools/include/uapi/asm-generic/unistd.h
and get both done is one call.


>  }
>
> --
> 2.17.1
>
> --
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