[scilab-Users] Link error 236

[Mike Page]

Hi Jasper,

Yes, I agree.  Scilab's DLL is the one supplied in the distribution, so it
would have been built in a different environment I guess.  As far as I can
see, the LIB file is not included in the Scilab distribution, just the DLL.
Is that right?  If so, I can't build my C code against the Scilab version of
the library.  I guess I could substitute my DLL for the one in the Scilab
distribution instead?  But that sounds even harder...

Mike.




-----Original Message-----
From: jasper van baten [mailto:jasper at amsterchem.com]
Sent: 11 May 2011 10:43
To: users at lists.scilab.org; users at lists.scilab.org
Subject: RE: [scilab-Users] Link error 236


Hello Mike,

At 11:05 5/11/2011, Mike Page wrote:
>My C code includes the FFTW library libfftw3-3.dll, so this is
>referenced within my DLL (foo.dll).  Scilab itself uses the same
>FFTW library.  When Scilab tries to load my DLL, it also tries to
>load my FFTW library, but this is already loaded.  This gives rise
>to duplicate DLL entry points.
>
>The simple workaround is to use a different library - this can be
>done by rebuilding FFTW with a different name (e.g. MyFftw.dll and
>MyFftw.lib) and then using that within my C code.


DLLs that reference a DLL that is already loaded should not have
problem loading (e.g. your DLL will also reference kernel32.dll,
etc). So Scilab's libfftw3-3.dll must be different than yours...
Hence, you could also resolve the problem by referencing the import
lib that matches Scilab's libfftw3-3.dll.

Best wishes,

Jasper.


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