qt-everywhere-src-5.15.1/qtbase/src/platformsupport/fontdatabases/freetype/freetype.pri

HEADERS += \
        $$PWD/qfreetypefontdatabase_p.h \
        $$PWD/qfontengine_ft_p.h

SOURCES += \
        $$PWD/qfreetypefontdatabase.cpp \
        $$PWD/qfontengine_ft.cpp

QMAKE_USE_PRIVATE += freetype