add_custom_command(
OUTPUT ${STATISTIC_DOC_OUTPUT_DIR}
COMMAND qhelpgenerator
ARGS
doc.qhp -o
doc.qch
COMMAND qcollectiongenerator
ARGS
StatisticHelp.qhcp -o
StatisticHelp.qhc
WORKING_DIRECORY ${STATISTIC_DOC_SRC}
)