[Gdal-dev] Re: gdal swig interface Band.i Updated

[Daniele Romagnoli]

Hi,
I Have a problem.

To generate wrappers for "gdal.i" interface I use this swig command from
gdal\swig\include directory:

swig -java -c++ -package org.gdal.gdal -IJava gdal.i

where Java (-IJava) is the gdal\swig\include\java subdirectory containing
files required when building wrappers for Java target Language.

Such a command generates some java files which need to be moved to
gdal\swig\java\org\gdal\gdal folder.
It also generates the gdal_wrap.cxx file which need to be moved to
gdal\swig\java\gdal (rename it to gdal_wrap.cpp).

At this point, I run NMAKE /F makefile.vc in order to build the 4 DLL (
gdalconstjni.dll, gdaljni.dll, ogrjni.dll, osrjni.dll) as well as the
gdal.Jar file.
But this error occurs during the NMAKE

.....
        cd gdal
        nmake /nologo /f makefile.vc
        cl /nologo /MD /EHsc /Zi /Fd..\..\..\gdal.pdb -I..\..\..\port
-I..\..\..
\ogr -I..\..\..\gcore  -I..\..\..\alg  -I"c:/j2sdk1.4.2_08"/include
-I"c:/j2sdk1
.4.2_08"/include/win32 /c gdal_wrap.cpp
gdal_wrap.cpp
gdal_wrap.cpp(1157) : error C2086: 'int *OUTPUT' : redefinition
        gdal_wrap.cpp(1157) : see declaration of 'OUTPUT'
gdal_wrap.cpp(1157) : fatal error C1903: unable to recover from previous
error(s
); stopping compilation
NMAKE : fatal error U1077: 'cl' : return code '0x2'
Stop.
NMAKE : fatal error U1077: '"C:\Programmi\Microsoft Visual Studio .NET
2003\VC7\
BIN\nmake.exe"' : return code '0x2'
Stop.


In effect, the automatically generated wrapper gdal_wrap.cpp contains this
code:

SWIGINTERN void GDALRasterBandShadow_GetBlockSize(GDALRasterBandShadow
*self,int *OUTPUT,int *OUTPUT){
      GDALGetBlockSize(self, blockXSize, blockYSize);
}


Maybe I'have missed some option using swig to generate wrappers...
My first (old) version is working:

 %apply (int *OUTPUT){int *blockXSize, int *blockYSize}
   void GetBlockSize(int *blockXSize, int *blockYSize){
               GDALGetBlockSize(self, blockXSize, blockYSize);
   }


What I have to do to make working the semplified version?
I need to Include some other directory in the swig command?... I need to set
some option using SWIG?

Thanks a lot.

-- 
Best Regards,
Daniele




On 8/5/06, Frank Warmerdam <warmerdam at pobox.com> wrote:
>
> Charlie Savage wrote:
> > The proposed wrapper code is correct.
> >
> > %apply (int *OUTPUT){int *blockXSize, int *blockYSize}
> >   void GetBlockSize(int *blockXSize, int *blockYSize){
> >               GDALGetBlockSize(self, blockXSize, blockYSize);
> >   }
> >
> >
> > And could be further simplified to:
> >
> >   void GetBlockSize(int *OUTPUT, int *OUTPUT){
> >               GDALGetBlockSize(self, blockXSize, blockYSize);
> >   }
> >
> > What's nice is that it will work with all SWIG languages.  For those
> > interested, some more technical background below.
>
> Charlie / Daniele,
>
> I have applied the simplified form to gdal/swig/include/Band.i.
>
> Best regards,
> --
>
> ---------------------------------------+--------------------------------------
> I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
>
> light and sound - activate the windows | http://pobox.com/~warmerdam<http://pobox.com/%7Ewarmerdam>
> and watch the world go round - Rush    | President OSGF, http://osgeo.org
>
>
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