[OE-core] [PATCH] ffmpeg: disable cpu autodetection

[Denys Dmytriyenko]

On Mon, Jan 30, 2017 at 10:59:50PM +0100, Andreas Oberritter wrote:
> Just pass the correct -mcpu= configure switch (fallback to generic).
> 
> Avoids warnings like:
> | warning: switch -mcpu=cortex-a15 conflicts with -march=armv7-a switch

That is actually a valid warning - cortex-a15 is armv7ve, not armv7a...


> Signed-off-by: Andreas Oberritter <obi at opendreambox.org>
> ---
>  meta/recipes-multimedia/ffmpeg/ffmpeg_3.2.2.bb | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg_3.2.2.bb b/meta/recipes-multimedia/ffmpeg/ffmpeg_3.2.2.bb
> index 66718c4..c376d82 100644
> --- a/meta/recipes-multimedia/ffmpeg/ffmpeg_3.2.2.bb
> +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_3.2.2.bb
> @@ -66,6 +66,12 @@ PACKAGECONFIG[xv] = "--enable-outdev=xv,--disable-outdev=xv,libxv"
>  # Check codecs that require --enable-nonfree
>  USE_NONFREE = "${@bb.utils.contains_any('PACKAGECONFIG', [ 'openssl' ], 'yes', '', d)}"
>  
> +def cpu(d):
> +    for arg in (d.getVar('TUNE_CCARGS') or '').split():
> +        if arg.startswith('-mcpu='):
> +            return arg[6:]
> +    return 'generic'
> +
>  EXTRA_OECONF = " \
>      --disable-stripping \
>      --enable-pic \
> @@ -90,6 +96,7 @@ EXTRA_OECONF = " \
>      --shlibdir=${libdir} \
>      --datadir=${datadir}/ffmpeg \
>      ${@bb.utils.contains('AVAILTUNES', 'mips32r2', '', '--disable-mipsdsp --disable-mipsdspr2', d)} \
> +    --cpu=${@cpu(d)} \
>  "
>  
>  EXTRA_OECONF_append_linux-gnux32 = " --disable-asm"
> -- 
> 2.7.4
> 
> -- 
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