Revision 176335 (removal of #include <unistd.h> in thr-posix.h) cause numerous compile failures

[Jakub Jelinek]

On Tue, Aug 02, 2011 at 03:08:03PM +0200, Markus Trippelsdorf wrote:
> Revisions 176335 removed the traditional "#include <unistd.h>" from
> gthr-posix.h. This breaks the build of many programs (Firefox, Chromium,
> etc.) that implicitly rely on it. 

This isn't the first time the libstdc++ headers were cleaned up, and
each time there are dozens of programs that need to be fixed up.
Each time they just were fixed.

> I'm not sure that the gain is worth the pain in this case.

It certainly is.

	Jakub