znotes-0.4.5 $ grep -i -e SINGLE_INSTANCE -e qtlockedfile znotes.pro -a2 !without_single_inst { QT += network DEFINES += SINGLE_INSTANCE SOURCES += single_inst/qtlockedfile_win.cpp \ single_inst/qtlockedfile_unix.cpp \ single_inst/qtlockedfile.cpp \ single_inst/qtlocalpeer.cpp HEADERS += single_inst/qtlockedfile.h \ single_inst/qtlocalpeer.h }
This package is has dead upstream and requires dead Qt 4 and is being treecleaned.