This is the mail archive of the
cygwin
mailing list for the Cygwin project.
Re: MATLAB mexFunction() with Cygwin GCC Windows
- From: Igor Peshansky <pechtcha at cs dot nyu dot edu>
- To: Boyd Edmondson <BoydEdmondson at NebulaSoftware dot COM>
- Cc: cygwin at cygwin dot com
- Date: Wed, 26 Sep 2007 10:23:57 -0400 (EDT)
- Subject: Re: MATLAB mexFunction() with Cygwin GCC Windows
- References: <7C82AE18E63BBF46BFAC6364E1E4CA591087EE@nebulasoftware1.NebulaSoftware.com>
- Reply-to: cygwin at cygwin dot com
On Wed, 26 Sep 2007, Boyd Edmondson wrote:
> I have successfully built/linked MATLAB mex files on Windows using GCC
> in Cygwin.? Unfortunately, it has a runtime error.? It appears the error
> is due to mismatched calling coventions for parameter passing.? The
> MATLAB interpreter successfully invokes the mexFunction() in my shared
> library (.mexw32), but the passed parameters are "corrupted".
>
> I've tried GCC's "attribute" to set the mexFunction() to "cdecl",
> "stdcall", and "fastcall", but still no luck.
>
> Anyone know the solution?
>
> Details follow:
>
> MATLAB mexopts.bat
> =================
> [snip]
> set COMPILER=gcc
> set COMPFLAGS=-mno-cygwin -D_WIN32 -shared -DMATLAB_MEX_FILE -Wall -c -msse3 -I"%ProgramFiles%\Pthreads\include" -I"%ProgramFiles%\Verasonics\Hal\Hal C\Includes" -o%MEX_NAME%.obj
^^^^^^^^^^^
> set LINKER=gcc
> set LINKFLAGS=-mno-cygwin -D_WIN32 -shared -DMATLAB_MEX_FILE -nostartfiles -L"%ProgramFiles%\Verasonics\Hal\Hal C\Shared Libraries" -lverasonicshalwindows -L"%ProgramFiles%\MATLAB\R2007a\bin\win32" -lmat -lmex -lmx
^^^^^^^^^^^
See the underlined portions above. You're not using the Cygwin gcc,
you're really using the MinGW gcc that understands Cygwin paths. So
you're better off asking on the MinGW list.
Igor
--
http://cs.nyu.edu/~pechtcha/
|\ _,,,---,,_ pechtcha@cs.nyu.edu | igor@watson.ibm.com
ZZZzz /,`.-'`' -. ;-;;,_ Igor Peshansky, Ph.D. (name changed!)
|,4- ) )-,_. ,\ ( `'-' old name: Igor Pechtchanski
'---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow!
Belief can be manipulated. Only knowledge is dangerous. -- Frank Herbert
--
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Problem reports: http://cygwin.com/problems.html
Documentation: http://cygwin.com/docs.html
FAQ: http://cygwin.com/faq/