[FFmpeg-trac] #3970(build system:new): configure should warn about gcc 4.2

[FFmpeg]

#3970: configure should warn about gcc 4.2
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             Reporter:  cehoyos      |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:  build
              Version:  git-master   |  system
             Keywords:  gcc          |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by cehoyos):

 These compilers are probably patched (I only tested releases) or the issue
 is only reproducible on x86.

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Ticket URL: <https://trac.ffmpeg.org/ticket/3970#comment:3>
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