Including src/weston-egl-ext.h breaks distcheck, so lets just copy the
one EGL_EXT_buffer_age into simple-egl.c.
#include <EGL/egl.h>
#include <EGL/eglext.h>
-#include <src/weston-egl-ext.h>
-
#ifndef EGL_EXT_swap_buffers_with_damage
#define EGL_EXT_swap_buffers_with_damage 1
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSWAPBUFFERSWITHDAMAGEEXTPROC)(EGLDisplay dpy, EGLSurface surface, EGLint *rects, EGLint n_rects);
#endif
+#ifndef EGL_EXT_buffer_age
+#define EGL_EXT_buffer_age 1
+#define EGL_BUFFER_AGE_EXT 0x313D
+#endif
+
struct window;
struct seat;