the build environment in the QtCreator indicated following PATH env variable

/local/paolo/QtSDK12/Madde/targets/harmattan_10.2011.34-1_rt1.2/bin:/local/paolo/QtSDK12/Madde/bin:/local/paolo/QtSDK12/Madde/madlib:/local/paolo/QtSDK12/Madde/madbin:/local/paolo/QtSDK12/Desktop/Qt/474/gcc/bin:$PATH

other environment var in QtCreator for harmattan project can be checked in Projects->Targets->Harmattan->Build Settings->Build Environment->Details