comment "Qt5 needs a toolchain with WCHAR, IPv6, thread and C++ support" depends on !BR2_INSTALL_LIBSTDCPP || !BR2_USE_WCHAR || !BR2_INET_IPV6 || !BR2_TOOLCHAIN_HAS_THREADS menuconfig BR2_PACKAGE_QT5 bool "Qt5" depends on BR2_INSTALL_LIBSTDCPP depends on BR2_USE_WCHAR depends on BR2_INET_IPV6 depends on BR2_TOOLCHAIN_HAS_THREADS help This option enables the Qt5 framework. Sub-options allow to select which modules should be built. http://qt-project.org if BR2_PACKAGE_QT5 endif