TARGET = qjpeg QT += core-private gui-private SOURCES += main.cpp qjpeghandler.cpp HEADERS += main.h qjpeghandler_p.h contains(QT_CONFIG, system-jpeg) { QMAKE_USE += libjpeg } else { include($$PWD/../../../3rdparty/libjpeg.pri) } OTHER_FILES += jpeg.json PLUGIN_TYPE = imageformats PLUGIN_CLASS_NAME = QJpegPlugin load(qt_plugin)