requires(!winrt) lessThan(QT_MAJOR_VERSION, 5) { TEMPLATE = subdirs SUBDIRS = src examples tests CONFIG += ordered !infile($$OUT_PWD/.qmake.cache, QTSERIALPORT_PROJECT_ROOT) { system("echo QTSERIALPORT_PROJECT_ROOT = $$PWD >> $$OUT_PWD/.qmake.cache") system("echo QTSERIALPORT_BUILD_ROOT = $$OUT_PWD >> $$OUT_PWD/.qmake.cache") } } else { load(qt_parts) }