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Re: Oct Files Help -- mkoctfile

From: Michael Goffioul
Subject: Re: Oct Files Help -- mkoctfile
Date: Wed, 9 Jan 2008 21:14:21 +0100

On 1/9/08, Tatsuro MATSUOKA <address@hidden> wrote:
> Hello
> Oh! I missed this mail.
> ********************
> octave:10> clear MexTest
> octave:11> mkoctfile --mex MexTest.c
> MexTest.c
> LINK : fatal error LNK1104: cannot open file 'MexTest.mex'
> octave:12>
> *********************
> I have not noticed it.
> Hello Michael:
> What I missed for the mex filed compiling?

I don't think you're missing anything. It's just that once a DLL is mapped
into memory by any process, the DLL is locked and you can't open it
for writing. As a consequence, the compiler cannot overwrite the mex
file (which is really a DLL). Normally, clearing MexTest should unmap
the mes file from memory, making it again available for writing, but
apparently it does not work. This might be a bug. John has probably a
better understanding of when a mex file is unloaded.


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