[FFmpeg-devel] check for execution without $EXESUF due to issue with msys/mingw

[Axel Holzinger]

Hi,

configure checks for ability to execute files in $TMPDIR, but msys/mingw (32
bit msys under Vista x64) has problems to execute shell scripts with ".exe"
$EXESUF extension (output in config.err: bad interpreter: Bad file number).

This patch fixes the issue by defining new variable $TMPSS (temporary shell
script) that omits $EXESUF at the end of the filename.

Another possible solution would be to remove $EXESUF locally when creating
the shell script file, but that would lead to code bloat IMHO.

Cheers
Axel

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