bug#51894: 27.2; GDB Gud support on Cygwin has trouble accessing shared files on Windows network drives.

[Eli Zaretskii]

> Date: Tue, 16 Nov 2021 09:22:26 +0000
> From:  Guy Offer via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> Working on Cygwin Emacs when source code is located on Windows 10
> network drives (e.g. Windows F: drive points to \\fileserver\soruce) and 
> accessed
> by gdb using \cygdrive\f\source\.. the Emacs gdb support cannot find the
> file.
> 
> File can only be find by the Emacs GDB support if the source path begins with
> double slash (e.g,, \\cygdrive\f\source\...).  However in this case it
> cannot be found by the gud gdb window.
> To overcome this source mounts should be done directly from the Cygwin (using 
> mount) and not
> through the Windows 10 drives (\cygdrive\...). 

Please show what does the GDB you are using display when you type
this:

  $ gdb --config

Also, when you say "the Emacs gdb support cannot find the file", what
do you mean by "Emacs gdb support"?

Thanks.