dirwatch { HEADERS += $$DIRWATCH_CPP/dirwatch.h SOURCES += $$DIRWATCH_CPP/dirwatch.cpp unix:!mac { SOURCES += $$DIRWATCH_CPP/dirwatch_unix.cpp } win32: { SOURCES += $$DIRWATCH_CPP/dirwatch_win.cpp } mac: { SOURCES += $$DIRWATCH_CPP/dirwatch_mac.cpp } }