On Wed, 23 Nov 2005, Doug Kaufman wrote:

> > 2. Why the effort (in configure.ac) to avoid checking for a 'pipe' function?
> > Does it indeed find one that isn't good?
>
> Yes, indeed, it finds a pipe which doesn't work. DJGPP simulates pipe

Just as a follow-up, here is the DJGPP info page on the pipe function:

pipe
====

Syntax
------

     #include <unistd.h>
     
     int pipe(int fildes[2]);

Description
-----------

This function is provided only to assist in porting from Unix. It
always returns an error condition.

Portability
-----------

not ANSI, POSIX

                  Doug

-- 
Doug Kaufman
Internet: dkaufman_at_rahul.net