Hi, I think that in cmakelists of osgPPU the line SET(OSGPPU_CONFIG_HEADER "${PROJECT_BINARY_DIR}/include/osgPPU/Config.h") Should be replaced with SET(OSGPPU_CONFIG_HEADER "${PROJECT_BINARY_DIR}/include/osg/Config.h") Since the files of osg/Export include osg/config.h No? Guy.