On Jul 25 13:09, Yao Qi wrote:
> Hi,
> This patch is to add a new GDB option '--cygwin-tty', which is useful
> when running/testing mingw32 native GDB in cygwin.  Due the odd TTY
> in Cygwin, the output of mingw32 native GDB behaves differently,
> which causes the testsuite result unusable.  I tried different
> approaches to detect whether GDB is running in cygwin tty, but failed.

Ptys in Cygwin are implemented as named pipes.  Therefore the native
MSVCRT _isatty() call returns 0 when called on a stream connected to a
pty.

Last year I created an isatty replacement implementation for non-Cygwin
applications for demonstration.  It should work with Mingw-w64 as well
as VC++.  I attached it to this mail, maybe it helps.


Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
Red Hat