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From:	Alfred von Campe <alfred AT von-campe DOT com>
Subject:	Re: Strange problem with running dmake via ssh
Date:	Thu, 2 Apr 2009 11:15:03 -0400
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> I have a strange problem when trying to compile a project under  
> Cygwin with dmake.  If I start a remote desktop connection to our  
> Windows 2003 server, and start a Cygwin window (i.e., run  
> Cygwin.bat), I am able to build our project just fine.  This also  
> works in a native CMD window.  However, if I ssh into the same  
> server (using the same user account), when I try to run dmake I get  
> the following error:
>
>   $ dmake flashimage
>   dmake .\trioimage.elf LINK_FILE=trioflashimage.ld  
> BOOTING=BOOT_FROM_FLASH
>   dmake:  Error -- \bin\bash: No such file or directory
>   dmake.exe:  Error code 255, while making 'flashimage'
>
> The dmake executable was provided by a 3rd party.  What's so  
> different about running a bash shell under ssh than running a bash  
> shell in a CMD window that would cause dmake to behave this way?   
> We'd like to run remote builds automatically, so getting this to  
> work with ssh is kind of important.

I tried running strace to figure out what's going on, but that  
doesn't work since dmake.exe is a Windows executable.  I also tried  
running dmake like this:

   $ cmd /C "dmake flashimage"
   dmake .\trioimage.elf LINK_FILE=trioflashimage.ld  
BOOTING=BOOT_FROM_FLASH
   dmake:  Error -- \bin\bash: No such file or directory
   dmake:  Error code 255, while making 'flashimage'

As you can see, it fails in the exact same way.  Are there some  
Windows executables that just can't be run in a Cygwin ssh bash  
shell?  I could understand if a command didn't run at all under  
Cygwin/bash, but I just don't understand why it runs in a local  
Cygwin shell window but not in an ssh Cygwin shell window.

Alfred


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