PDF_VARS= FORCE_REQUIRE+=Poppler-glib
PDF_VARS_OFF= FORCE_IGNORE+=Poppler-glib
QT5_USE= qt:5
QT5_USE= qt=buildtools_build,core,gui,opengl,qmake_build,webkit
QT5_USE= qt=buildtools_build,core,gui,opengl,qmake_build,webkit,widgets
QT5_CMAKE_ON= -DDESIRED_QT_VERSION=5
QT5_VARS= FORCE_REQUIRE+="Qt5Widgets Qt5WebKitWidgets"
QT5_VARS_OFF= FORCE_IGNORE+="Qt5Widgets Qt5WebKitWidgets"