Are they in any branch of mesa? without them i can't compile wayland successfully. thanks. wayland-system-compositor.c: In function ‘surface_attach’: wayland-system-compositor.c:677: error: ‘EGL_IMAGE_WIDTH_INTEL’ undeclared (first use in this function) wayland-system-compositor.c:677: error: (Each undeclared identifier is reported only once wayland-system-compositor.c:677: error: for each function it appears in.) wayland-system-compositor.c:678: error: ‘EGL_IMAGE_HEIGHT_INTEL’ undeclared (first use in this function) wayland-system-compositor.c:679: error: ‘EGL_IMAGE_NAME_INTEL’ undeclared (first use in this function) wayland-system-compositor.c:680: error: ‘EGL_IMAGE_STRIDE_INTEL’ undeclared (first use in this function) wayland-system-compositor.c:681: error: ‘EGL_IMAGE_FORMAT_INTEL’ undeclared (first use in this function) wayland-system-compositor.c:712: error: ‘EGL_SYSTEM_IMAGE_INTEL’ undeclared (first use in this function) wayland-system-compositor.c:713: warning: passing argument 3 of ‘eglCreateImageKHR’ makes integer from pointer without a cast /usr/include/EGL/eglext.h:84: note: expected ‘EGLenum’ but argument is of type ‘EGLint *’ wayland-system-compositor.c: In function ‘init_egl’: wayland-system-compositor.c:1078: error: ‘EGLDisplayTypeDRMMESA’ undeclared (first use in this function)