qt-everywhere-src-5.14.1/qtbase/mkspecs/features/coverage.prf

# Coverage flags

coverage_trace_pc_guard {
    QMAKE_CFLAGS   += $$QMAKE_CFLAGS_COVERAGE_TRACE_PC_GUARD
    QMAKE_CXXFLAGS += $$QMAKE_CXXFLAGS_COVERAGE_TRACE_PC_GUARD
    QMAKE_LFLAGS   += $$QMAKE_LFLAGS_COVERAGE_TRACE_PC_GUARD
}