RFC/RFT: split up pexecute.c

[Zack Weinberg]

Christopher Faylor <cgf@redhat.com> writes:

>>> 2003-01-24  Christopher Faylor  <cgf@redhat.com>
>>> 
>>>         * configure.in: Remove special pex-cygwin consideration.
>>>         * configure: Regenerate.
>>>         * pex-cygwin.c: Remove.

This will make cygwin use the very slow fork() emulation, won't it?  I
was under the impression it was desirable to use spawnv() under Cygwin
to avoid that.  [Note that the Unix code doesn't use vfork - I have
plans to fix that but they may take some time to come to fruition.]

zw