[gdal-dev] Development and Compilation of a custom SQLite/Spatialite Driver

[Sharad Singh]

Hi List,

I am developing a custom SQLite/Spatialite driver for a GIS application. Now 
when I am compiling my source code I am getting a some linking errors.

The source code has the following files as its header files 
sqlite3.h
geos_c.h
gaiageo.h
spatialite.c
wx/string.h
iconv.h
proj_api.h

In terms of compiling it is almost the same as building <spatialite.c>. But once 
I compile it on VS2008 on Windows Vista 32-bit processor, I am getting errors 
as:

1. error LNK2019: unresolved external symbol _locale_charset referenced in 
function _gaiaGetLocaleCharsetspatialite.objcompile
2. error LNK2019: unresolved external symbol _libiconv_close referenced in 
function _gaiaConvertCharsetspatialite.objcompile
3. error LNK2019: unresolved external symbol _GEOSGeom_destroy referenced in 
function _gaiaGeomCollEqualsspatialite.objcompile
4. error LNK2019: unresolved external symbol _GEOSversion referenced in function 
_spatialite_initspatialite.objcompile
5. error LNK2019: unresolved external symbol _WinMain at 16 referenced in function 
___tmainCRTStartupMSVCRTD.libcompile


I am getting almost the similar erros when I try to compile <spatialite.c>

Am I missing some possible step while compiling the source code? Have I 
overlooked some of the dependencies? 
Should I keep <iconv.h> file in my project or a dependency for libicon?. 
Also, should I keep the file <proj_api.h> in my project or a dependency on 
libproj?

I would be very grateful if you can help me with the above problem.

Thanks,

--
Sharad Singh
India

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