[FFmpeg-trac] #8565(undetermined:new): There is no non-neon version of idctdsp on aarch64

[FFmpeg]

#8565: There is no non-neon version of idctdsp on aarch64
-------------------------------------+-------------------------------------
             Reporter:  ilya-fedin   |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 How to reproduce:
 1. Compile ffmpeg with --disable-neon on aarch64
 2. Link it to some app, for example tdesktop, there will be a linkage
 error
 {{{
 /build/alish-tdesktop/stage/usr/lib/libavcodec.a(idctdsp.o): In function
 `ff_idctdsp_init':
 idctdsp.c:(.text.unlikely+0x314): undefined reference to
 `ff_idctdsp_init_aarch64'
 }}}
 More info:
 https://github.com/telegramdesktop/tdesktop/issues/6647#issuecomment-597452642

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Ticket URL: <https://trac.ffmpeg.org/ticket/8565>
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