# depending on your Qt configuration, you want to enable or disable # one of the release/debug builds (if all three lines are commented, # the default of your Qt installation will used) # build with both debug and release mode #CONFIG += debug_and_release build_all # build with release mode only #CONFIG += release # build with debug mode only #CONFIG += debug # for all debug builds, add "_d" extension to target CONFIG(debug, debug|release) { TARGET = $${TARGET}_d }