[tex-k] tex/pdftex -recorder works incorrectly on parrallel TeX runs (race, breaks make -j)

[Karl Berry]

    > but I wonder, why use intermediate file for recorder at all? Why not to
    > open $(jobname).fls in the first place?

Don't want to overwrite the file from a previous run, I suppose.

I'm not enthused about using mkstemp (and providing a fallback), but
perhaps we can add the pid to the temp file name, or something.
Will contemplate.

Thanks for the report,
k