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To:	cygwin AT cygwin DOT com
From:	Paul <Paul DOT Domaskis AT gmail DOT com>
Subject:	octave: cannot open shared object file: No such file or directory
Date:	Fri, 24 Jan 2014 23:11:13 +0000 (UTC)
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I use both Windows and cygwin X11 gvim -- mostly the former out of 
convenience and speed.  I often shell out for filtering, and I'm careful to 
ensure that my vimrc shell setting directs commands to cygwin's bash:

   let &shell='set HOME=c:\cygwin\home\'.$USERNAME.'&
                                          \ c:\cygwin\bin\bash.exe -i'

However, I recently started to get the following message when sending 
expressions to octave:

   /usr/bin/octave-3.6.2.exe: error while loading shared libraries: ?:
   cannot open shared object file: No such file or directory

I know there there isn't anything *fundamentally* wrong because when I 
start up cygwin normally via the mintty shortcut, octave starts fine.  I 
thought it was a $PATH problem, so I rejigged .bashrc to ensure that the 
path is the same regardless of whether I start bash from the mintty 
shortcut or shell out from Windows gvim.  This does not solve the problem.  
I confirmed that $LD_LIBRARY_PATH is empty regardless of how bash is 
started up, so I don't think that's the problem.

Can anyone suggest what might be causing the octave error if not $PATH and 
$LD_LIBRARY_PATH?  Again, there is no problem when invoked from a bash 
shell that is started from the mintty shortcut.  Furthermore, there was no 
problem at all before a few days ago.  The only big change is that my admin 
deleted Matlab 2012a, but I have Matlab 2013a (in a different path).  But 
the fact that octave runs from a normally started bash tells me that this 
should not be a show stopper (if in fact it's even the cause).

Note that I work in a locked down environment, so I can't upgrade anything 
and downloading stuff is hit-and-miss.


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