xemacs shell problem

[Levent Yilmaz]

Hi!

After posting this message to emacs.xemacs.windows and following the 
advices I have been told, I found out that this happens only with Xemacs 
Cygwin build. Thus, I hope it would be a relevant discussion for this 
group.

*the problem setting*
The shell-mode(using bash) at Xemacs(21.4.15) called from Bash 
(2.05b.0(1)-release) running Cygwin(1.42) on WindowsXP-SP1

*the ISSUE*
Error messages from certain Windows console programs (such as the 
Fortran compilers LaheyF95 and Compaq Visual Fortran 6.6) (hereafter I 
will refer these as Compiler) are not displayed at the shell-buffer. 
Instead the errors are flushed to a DOS console that dissappears 
immidiately after the compilation is finished and the regular messages 
(logo and stuff) are displayed at the shell-buffer as usual.

*complications*
- When the Compiler is invoked directly from Bash, everything works 
fine, all messages are there and in fact, output redirection works as 
expected. The error mesages can be redirected with the usual 2>myfile.
- This issue does not occur with all console applications (for instance 
I tried with MSVC++6/7 and they are working fine).  Among the ones I 
tested, only these fortran Compilers has this behaviour. This is also 
why I fail to find a reproducible example for submitting as a test case 
here (though, you may download a trial version from 
http://www.lahey.com/ and test with a erroneous Fortan code, if you 
really agree that this is a significant issue and worth the trouble).
Here is a sample failing FORTRAN code
!======================
program fail
end program nail
!======================
- As I mentioned before this problem happens only with Xemacs Cygwin 
build. Native-Windows build is working fine.

My question is, it seems that the output from the Compiler is flushed to 
that blinking console, what may be the cause of this? Are there other 
outputs other than STDERR and STDOUT, that Cygwin is handling properly, 
but the shell-mode in Xemacs is failing?

Thank you so very much!!
- Levent








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