systemwatch { HEADERS += $$SYSTEMWATCH_CPP/systemwatch.h SOURCES += $$SYSTEMWATCH_CPP/systemwatch.cpp unix:!mac { HEADERS += $$SYSTEMWATCH_CPP/systemwatch_unix.h SOURCES += $$SYSTEMWATCH_CPP/systemwatch_unix.cpp } win32: { HEADERS += $$SYSTEMWATCH_CPP/systemwatch_win.h SOURCES += $$SYSTEMWATCH_CPP/systemwatch_win.cpp } mac: { HEADERS += $$SYSTEMWATCH_CPP/systemwatch_mac.h SOURCES += $$SYSTEMWATCH_CPP/systemwatch_mac.cpp } }