cygwin-specific gcc question

[Dave Korn]

On 21/07/2010 22:54, Eric Blake wrote:
> Is there any sane reason that:
> 
> gcc -E -dD -o - foo.c
> 
> generates ./-.exe on cygwin, rather than outputting to stdout like on
> every other platform?  This tripped up an autoconf test.  Fortunately,
> removing '-o -' appears to be portable.

  I've seen that too, but didn't know that the malbehaviour of this (and iirc
also -M options) was cygwin-specific at all.  Would you file a PR upstream please?

    cheers,
      DaveK



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