x11 Build drivers based on the classic architecture. Enable EGL support for Gallium3D. Build drivers based on Gallium3D, the new architecture for 3D graphics drivers. Enable GLES support for Gallium3D. Enable LLVM backend for Gallium3D. Enable the OpenVG 2D acceleration API disable optimized assembly code that is not PIC friendly Enable sharing of common code for classic DRI drivers. Enable sharing of common code for the OpenGL API.