HEADERS += \ $$files($$PWD/*.h) \ $$files($$PWD/widgets/*.h) SOURCES += \ $$files($$PWD/*.cpp) \ $$files($$PWD/widgets/*.cpp) FORMS += \ $$files($$PWD/forms/*.ui) unix:!macx { packagesExist(appindicator-0.1) { CONFIG += link_pkgconfig PKGCONFIG += appindicator-0.1 gtk+-2.0 DEFINES += USE_APPINDICATOR message("AppIndicator support enabled") } }