Thanks for the reply. So after that, I should just include the directory containing the header files in .proj?
I tried to do this, however, i get the error in the following stackoverflow post: http://stackoverflow.com/questions/26597253/syntax-error-in-qgsapplication-h -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Write-custom-c-application-using-QGIS-under-windows-tp5173377p5173395.html Sent from the Quantum GIS - Developer mailing list archive at Nabble.com. _______________________________________________ Qgis-developer mailing list Qgis-developer@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-developer