I've been trying to figure out a problem related to the loading of Csound5
dll's.
When using csound~, MaxMSP 4.6, and Csound5 (floats and doubles), compiling 
an orc will produce this error:

WARNING: could not open library 'C:\Program
Files\Csound\plugins64\minmax.dll' (-1)

The error isn't fatal (no crashes) and the user is able to continue working
with csound~
(as long as they don't use any opcodes in minmax.dll).  

With Max 5.0.4 and Csound5 (doubles), the errors are:

WARNING: could not open library 'C:\Program
Files\Csound\plugins64\harmon.dll' (-1)
WARNING: could not open library 'C:\Program
Files\Csound\plugins64\minmax.dll' (-1)
WARNING: could not open library 'C:\Program Files\Csound\plugins64\osc.dll'
(-1)
WARNING: could not open library 'C:\Program
Files\Csound\plugins64\shape.dll' (-1) WARNING: could not open library
'C:\Program Files\Csound\plugins64\stdutil.dll' (-1)

With Max 5.0.4 and Csound5 (floats), the error is:

Error 998 loading external csound~

In this situation, csound~ just doesn't work.  I figured out that all the
errors are the same type of error.
Using the program Dependency Walker, I get this:

DllMain(0x058C0000, DLL_PROCESS_ATTACH, 0x00000000) in "CSOUND32.DLL.5.1"
called.
First chance exception 0xC0000005 (Access Violation) occurred at address
0x9E4C0000.
LoadLibraryW("C:\program files\cycling '74\max 5.0\Cycling
'74\msp-externals\_my_externals\csound~.mxe") returned NULL by thread 1.
Error: Invalid access to memory location (998).

It's the same pattern for minmax.dll, hamon.dll, etc... .  I have a feeling
it has something to do with the
fact that Max uses a different compiler that Csound5 on Windows.  I'd
appreciate any help. Thanks.

Davis

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I've done some more testing.  The LoadLibrary() errors only appear when using
release 5.08.2 (doubles and floats) on Windows.  I tested with 5.03 - 5.07
and there were no problems.  

I downloaded Csound5.08.zip and compiled with:

MSYS 1.0.10
MinGW 5.1.4
gcc 3.4.5
scons 0.98.5
Python 2.5.1
libsndfile 1.0.17
portaudio v19 20071207
fltk 1.1.x-r5953
pthreads-w32 2.8 (2006_12_22)

So far, I've been unable to reproduce the LoadLibrary() errors. 

One thing that caught my eye was the size of csound32.dll.5.1 and
csound64.dll.5.1.  The dll's installed by Csound5.08.2-gnu-win32-f.exe and
Csound5.08.2-gnu-win32-d.exe are nearly 4 MB in size, whereas the ones I
compiled (and those in earlier releases) are less than 800 KB.  

I hope this information is of some use.  I've got my fingers crossed hoping
that this problem doesn't appear in 5.09.

Davis

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