lessThan(QT_MAJOR_VERSION,5)|lessThan(QT_MINOR_VERSION,9) { message("You need to Qt 5.9 or newer to build OSCAR with Help Pages") lessThan(QT_MAJOR_VERSION,5)|lessThan(QT_MINOR_VERSION,7) { error("You need Qt 5.7 or newer to build OSCAR") } } TEMPLATE = subdirs SUBDIRS += oscar CONFIG += ordered macx: { QMAKE_INFO_PLIST = Building/MacOS/Info.plist.in }