Please try applying below patch to aom recipe in meta-openembedded repo

https://lists.openembedded.org/g/openembedded-devel/topic/meta_multimedia_patch_aom/80743335?p=,,,20,0,0,0::recentpostdate%2Fsticky,,,20,2,0,80743335

let me know how it goes.

On Thu, Feb 18, 2021 at 12:22 PM safouane maaloul
<maaloulsafouane@...> wrote:
>
> Sorry to annoying you with my question but how do i find where HAVE_NEON is set ?
>
> Best regards,
>
> Safouane
>
> Le jeu. 18 févr. 2021 à 21:16, Khem Raj <raj.khem@...> a écrit :
>>
>> Well we do not enable neon for this tune but aom still seems to want it so I would suggest to look at the build and see if it’s disabling neon and have HAVE_NEON is not set properly
>>
>> On Thu, Feb 18, 2021 at 12:12 PM safouane maaloul <maaloulsafouane@...> wrote:
>>>
>>> I have an erreur:
>>> | /workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/tmp/work/arm1176jzfshf-vfp-poky-linux-gnueabi/aom/2.0.0-r0/git/av1/common/arm/mem_neon.h:525:24: note: called from here
>>> |   525 |   const int32x4_t v0 = vld1q_s32(buf);
>>> |       |                        ^~~~~~~~~~~~~~
>>> | ninja: build stopped: subcommand failed.
>>> | WARNING: /workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/tmp/work/arm1176jzfshf-vfp-poky-linux-gnueabi/aom/2.0.0-r0/temp/run.do_compile.24037:155 exit 1 from 'eval ${DESTDIR:+DESTDIR=${DESTDIR} }VERBOSE=1 cmake --build '/workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/tmp/work/arm1176jzfshf-vfp-poky-linux-gnueabi/aom/2.0.0-r0/build' "$@" -- ${EXTRA_OECMAKE_BUILD}'
>>> | WARNING: Backtrace (BB generated script):
>>> |       #1: cmake_runcmake_build, /workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/tmp/work/arm1176jzfshf-vfp-poky-linux-gnueabi/aom/2.0.0-r0/temp/run.do_compile.24037, line 155
>>> |       #2: cmake_do_compile, /workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/tmp/work/arm1176jzfshf-vfp-poky-linux-gnueabi/aom/2.0.0-r0/temp/run.do_compile.24037, line 149
>>> |       #3: do_compile, /workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/tmp/work/arm1176jzfshf-vfp-poky-linux-gnueabi/aom/2.0.0-r0/temp/run.do_compile.24037, line 144
>>> |       #4: main, /workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/tmp/work/arm1176jzfshf-vfp-poky-linux-gnueabi/aom/2.0.0-r0/temp/run.do_compile.24037, line 168
>>> |
>>> | Backtrace (metadata-relative locations):
>>> |       #1: cmake_runcmake_build, /workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/../../poky/meta/classes/cmake.bbclass, line 205
>>> |       #2: cmake_do_compile, /workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/../../poky/meta/classes/cmake.bbclass, line 209
>>> |       #3: do_compile, autogenerated, line 2
>>> ERROR: Task (/workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/../../meta-openembedded/meta-multimedia/recipes-multimedia/aom/aom_2.0.0.bb:do_compile) failed with exit code '1'
>>> NOTE: Tasks Summary: Attempted 3538 tasks of which 3326 didn't need to be rerun and 1 failed.
>>>
>>> Summary: 1 task failed:
>>>   /workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/../../meta-openembedded/meta-multimedia/recipes-multimedia/aom/aom_2.0.0.bb:do_compile
>>> Summary: There was 1 WARNING message shown.
>>> Summary: There was 1 ERROR message shown, returning a non-zero exit code.
>>>
>>> Do you have any idea why it didn't work ?
>>>
>>> Best regards,
>>>
>>> Safouane
>>>
>>> Le jeu. 18 févr. 2021 à 20:54, Khem Raj <raj.khem@...> a écrit :
>>>>
>>>> can you try adding
>>>>
>>>> EXTRA_OECMAKE += "-DHAVE_NEON=0"
>>>>
>>>> and see if that helps ? for whatever reason set_aom_detect_var is
>>>> enabling it where as default should be 0
>>>>
>>>> On Thu, Feb 18, 2021 at 10:42 AM safouane maaloul
>>>> <maaloulsafouane@...> wrote:
>>>> >
>>>> > I succed in removing callconvention-hard from TUNE_FEATURES ? But i have the same problem. I am pretty sure that i get get it working if i add neon to the TUNE_FEATURES. Something like this     TUNE_FEATURES= "arm armv6 vfp arm1176jzfs callconvention-hard neon". But I can't do it with armv6. I have to use raspberrypi zero w so i have to make it work with armv6. I know that i can make it work with armv7 and armv8. I have error like this : | In file included from /workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/tmp/work/arm1176jzfshf-vfp-poky-linux-gnueabi/aom/2.0.0-r0/git/av1/encoder/arm/neon/quantize_neon.c:20:
>>>> > | /workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/tmp/work/arm1176jzfshf-vfp-poky-linux-gnueabi/aom/2.0.0-r0/git/av1/common/arm/mem_neon.h:528:24: note: called from here
>>>> > |   528 |   const int16x4_t s1 = vmovn_s32(v1);
>>>> > |       |                        ^~~~~~~~~~~~~
>>>> > | In file included from /workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/tmp/work/arm1176jzfshf-vfp-poky-linux-gnueabi/aom/2.0.0-r0/git/av1/encoder/arm/neon/quantize_neon.c:12:
>>>> > | /workdir/tep-cam-rpi-yocto/rpi-build-gatesgarth/tmp/work/arm1176jzfshf-vfp-poky-linux-gnueabi/aom/2.0.0-r0/recipe-sysroot-native/usr/lib/arm-poky-linux-gnueabi/gcc/arm-poky-linux-gnueabi/10.2.0/include/arm_neon.h:7556:1: error: inlining failed in call to 'always_inline' 'vmovn_s32': target specific option mismatch
>>>> > |  7556 | vmovn_s32 (int32x4_t __a)
>>>> > |       | ^~~~~~~~~
>>>> >
>>>> > So i am sure i have to add the neon feature so i appreciate it if someone can help me. I didn't find a workaround this problem on the internet.
>>>> >
>>>> > Best regards,
>>>> >
>>>> > Safouane
>>>> >
>>>> > Le jeu. 18 févr. 2021 à 18:00, Zoran Stojsavljevic <zoran.stojsavljevic@...> a écrit :
>>>> >>
>>>> >> https://yocto.yoctoproject.narkive.com/Wle40I09/gcc-on-arm
>>>> >>
>>>> >> https://www.yoctoproject.org/docs/current/mega-manual/mega-manual.html#var-TUNE_FEATURES
>>>> >> https://www.yoctoproject.org/docs/current/mega-manual/mega-manual.html#var-AVAILTUNES
>>>> >>
>>>> >> Zee
>>>> >> _______
>>>> >>
>>>> >> On Thu, Feb 18, 2021 at 3:28 PM safouane maaloul
>>>> >> <maaloulsafouane@...> wrote:
>>>> >> >
>>>> >> > Yes I will check it. Do you know how to remove callconvention-hard from TUNE_FEATURES ?
>>>> >> >
>>>> >> > Best regards,
>>>> >> >
>>>> >> > Safouane
>>>> >> >
>>>> >> > Le jeu. 18 févr. 2021 à 14:52, Zoran Stojsavljevic <zoran.stojsavljevic@...> a écrit :
>>>> >> >>
>>>> >> >> > TUNE_FEATURES        = "arm armv6 vfp arm1176jzfs callconvention-hard"
>>>> >> >>
>>>> >> >> Here is an interesting reading for you, for me also:
>>>> >> >> https://www.yoctoproject.org/pipermail/meta-xilinx/2015-July/001060.html
>>>> >> >>
>>>> >> >> What I am getting from this reading is that you need to try with the
>>>> >> >> following line:
>>>> >> >> TUNE_FEATURES        = "arm armv6 vfp arm1176jzfs"
>>>> >> >>
>>>> >> >> I guess, YOCTO people have not too much experience with armv6, nor me,
>>>> >> >> but this should be (I hope) generic.
>>>> >> >>
>>>> >> >> Hope this helps.
>>>> >> >> Zoran
>>>> >> >> _______
>>>> >> >>
>>>> >> >> On Thu, Feb 18, 2021 at 12:44 PM safouane maaloul
>>>> >> >> <maaloulsafouane@...> wrote:
>>>> >> >> >
>>>> >> >> > This is my build configuration :
>>>> >> >> > Build Configuration:
>>>> >> >> > BB_VERSION           = "1.46.0"
>>>> >> >> > BUILD_SYS            = "x86_64-linux"
>>>> >> >> > NATIVELSBSTRING      = "universal"
>>>> >> >> > TARGET_SYS           = "arm-poky-linux-gnueabi"
>>>> >> >> > MACHINE              = "raspberrypi0-wifi"
>>>> >> >> > DISTRO               = "poky"
>>>> >> >> > DISTRO_VERSION       = "3.1.5"
>>>> >> >> > TUNE_FEATURES        = "arm armv6 vfp arm1176jzfs callconvention-hard"
>>>> >> >> > TARGET_FPU           = "hard"
>>>> >> >> > meta
>>>> >> >> > meta-poky
>>>> >> >> > meta-yocto-bsp       = "dunfell:7ea41de13774675828239b7738d3f5d70be8b1af"
>>>> >> >> > meta-oe
>>>> >> >> > meta-multimedia
>>>> >> >> > meta-networking
>>>> >> >> > meta-python          = "dunfell:5bba79488b7d393d2258d6e917f7bf7b0d7c4073"
>>>> >> >> > meta-raspberrypi     = "dunfell:987993209716302eb8f314f69a2a3340555f94d8"
>>>> >> >> > meta-gstreamer1.0    = "dunfell:b489b1ba084544d9c4c08f7c3b3d1c37ffa53c51"
>>>> >> >> >
>>>> >> >> > Best regards,
>>>> >> >> >
>>>> >> >> > Safouane
>>>> >> >> >
>>>> >> >> > Le mer. 17 févr. 2021 à 13:24, Zoran Stojsavljevic <zoran.stojsavljevic@...> a écrit :
>>>> >> >> >>
>>>> >> >> >> So, what is your MACHINE variable set to?
>>>> >> >> >>
>>>> >> >> >> Maybe knowing that, somebody can help.
>>>> >> >> >>
>>>> >> >> >> Zee
>>>> >> >> >
>>>> >> >> >
>>>> >> >> >
>>>> >> >> > --
>>>> >> >> > SAFOUANE MAALOUL
>>>> >> >> > maaloulsafouane@...
>>>> >> >> >
>>>> >> >
>>>> >> >
>>>> >> >
>>>> >> > --
>>>> >> > SAFOUANE MAALOUL
>>>> >> > maaloulsafouane@...
>>>> >> >
>>>> >
>>>> >
>>>> >
>>>> > --
>>>> > SAFOUANE MAALOUL
>>>> > maaloulsafouane@...
>>>> >
>>>> >
>>>> >
>>>> >
>>>
>>>
>>>
>>> --
>>> SAFOUANE MAALOUL
>>> maaloulsafouane@...
>>>
> --
> SAFOUANE MAALOUL
> maaloulsafouane@...
>