qtbase

USE flags

• accessibility - Add support for accessibility (eg 'at-spi' library)
• brotli - Enable support for Brotli decompression
• concurrent - Build Qt6Concurrent module
• cups - Add support for CUPS (Common Unix Printing System)
• dbus - Build Qt6DBus module
• debug - Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
• eglfs - Build the EGL Full Screen/Single Surface platform plugin
• evdev - Enable support for input devices via evdev
• freetds - Add support for the TDS protocol to connect to MSSQL/Sybase databases
• gles2-only - Use GLES 2.0 or later instead of full OpenGL
• gssapi - Enable support for GSSAPI (virtual/krb5)
• gtk - Build the GTK platform theme plugin
• gui - Build Qt6Gui module
• icu - Enable ICU (Internationalization Components for Unicode) support, using dev-libs/icu
• jpeg - Add JPEG image support
• libinput - Enable support for input devices via dev-libs/libinput
• libproxy - Use net-libs/libproxy for automatic HTTP/SOCKS proxy configuration
• mysql - Add mySQL Database support
• network - Build Qt6Network module
• nls - Add Native Language Support (using gettext - GNU locale utilities)
• oci8 - Add Oracle 8 Database Support
• odbc - Add ODBC Support (Open DataBase Connectivity)
• opengl - Add support for OpenGL (3D graphics)
• postgres - Add support for the postgresql database
• renderdoc - Enable support for capturing graphic's API calls using media-gfx/renderdoc
• sctp - Support for Stream Control Transmission Protocol
• sql - Build Qt6Sql module
• sqlite - Add support for sqlite - embedded sql database
• ssl - Add support for SSL/TLS connections (Secure Socket Layer / Transport Layer Security)
• test - Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)
• tslib - Enable support for touchscreen devices via x11-libs/tslib
• udev - Enable virtual/udev integration (device discovery, power and storage device support, etc)
• vnc - Enable VNC (remote desktop viewer) support
• vulkan - Add support for 3D graphics and computing via the Vulkan cross-platform API
• wayland - Enable dev-libs/wayland backend
• widgets - Build Qt6Widgets module
• X - Build the XCB platform plugin and enable X11 integration
• xml - Add support for XML files
• zstd - Enable support for ZSTD compression