[oe] [PATCH] libvpx: force arm mode to be able to link with ffmpeg where arm mode already is forced

[Khem Raj]

On 1/12/2011 11:31 PM, Martin Jansa wrote:
> On Wed, Jan 12, 2011 at 10:28:10AM -0800, Khem Raj wrote:
>> On 1/12/2011 3:48 AM, Martin Jansa wrote:
>>> Signed-off-by: Martin Jansa<Martin.Jansa at gmail.com>
>>
>> hmmm what issues do u see if you build it with thumb mode.
>
> +# ffmpeg links with this and fails
> +# sysroots/armv4t-oe-linux-gnueabi/usr/lib/libvpx.a(vpx_encoder.c.o)(.text+0xc4): unresolvable R_ARM_THM_CALL relocation against symbol `memcpy@@GLIBC_2.4'
>
> and full log is here
> http://tinderbox.openembedded.org/packages/1398033/

Its not clear in the logs but is libvpx using -fPIE compiler option ? if 
yes then you should remove it and then it will work.

>
>>> ---
>>>    recipes/webm/libvpx.inc |    6 +++++-
>>>    1 files changed, 5 insertions(+), 1 deletions(-)
>>>
>>> diff --git a/recipes/webm/libvpx.inc b/recipes/webm/libvpx.inc
>>> index 9913d5b..9d40945 100644
>>> --- a/recipes/webm/libvpx.inc
>>> +++ b/recipes/webm/libvpx.inc
>>> @@ -1,11 +1,15 @@
>>>    DESCRIPTION = "vpx Multi-Format Codec SDK"
>>>    LICENSE = "BSD"
>>>
>>> -INC_PR = "r5"
>>> +INC_PR = "r6"
>>>
>>>    SRC_URI = "git://review.webmproject.org/libvpx.git;protocol=git;tag=v${PV}"
>>>    S = "${WORKDIR}/git"
>>>
>>> +# ffmpeg links with this and fails
>>> +# sysroots/armv4t-oe-linux-gnueabi/usr/lib/libvpx.a(vpx_encoder.c.o)(.text+0xc4): unresolvable R_ARM_THM_CALL relocation against symbol `memcpy@@GLIBC_2.4'
>>> +ARM_INSTRUCTION_SET = "arm"
>>> +
>>>    CFLAGS += "-fPIC"
>>>
>>>    export CC
>>
>>
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>
>
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