-XCB_EXTENSION(Composite, "yes")
-XCB_EXTENSION(Damage, "yes")
-XCB_EXTENSION(DPMS, "yes")
-XCB_EXTENSION(DRI2, "yes")
-XCB_EXTENSION(GLX, "yes")
-XCB_EXTENSION(RandR, "yes")
-XCB_EXTENSION(Record, "yes")
-XCB_EXTENSION(Render, "yes")
-XCB_EXTENSION(Resource, "yes")
-XCB_EXTENSION(Screensaver, "yes")
-XCB_EXTENSION(Shape, "yes")
-XCB_EXTENSION(Shm, "yes")
-XCB_EXTENSION(Sync, "yes")
-XCB_EXTENSION(Xevie, "yes")
-XCB_EXTENSION(XFixes, "yes")
-XCB_EXTENSION(XFree86-DRI, "yes")
-XCB_EXTENSION(Xinerama, "yes")
-XCB_EXTENSION(XInput, "no")
-XCB_EXTENSION(XKB, "no")
-XCB_EXTENSION(Xprint, "yes")
-XCB_EXTENSION(SELinux, "no")
-XCB_EXTENSION(XTest, "yes")
-XCB_EXTENSION(Xv, "yes")
-XCB_EXTENSION(XvMC, "yes")
+XCB_EXTENSION(Composite, yes)
+XCB_EXTENSION(Damage, yes)
+XCB_EXTENSION(DPMS, yes)
+XCB_EXTENSION(DRI2, yes)
+XCB_EXTENSION(DRI3, $have_sendmsg)
+XCB_EXTENSION(GLX, yes)
+XCB_EXTENSION(Present, yes)
+XCB_EXTENSION(RandR, yes)
+XCB_EXTENSION(Record, yes)
+XCB_EXTENSION(Render, yes)
+XCB_EXTENSION(Resource, yes)
+XCB_EXTENSION(Screensaver, yes)
+XCB_EXTENSION(Shape, yes)
+XCB_EXTENSION(Shm, yes)
+XCB_EXTENSION(Sync, yes)
+XCB_EXTENSION(Xevie, no)
+XCB_EXTENSION(XFixes, yes)
+XCB_EXTENSION(XFree86-DRI, yes)
+XCB_EXTENSION(Xinerama, yes)
+XCB_EXTENSION(XInput, no)
+XCB_EXTENSION(XKB, yes)
+XCB_EXTENSION(Xprint, no)
+XCB_EXTENSION(SELinux, no)
+XCB_EXTENSION(XTest, yes)
+XCB_EXTENSION(Xv, yes)
+XCB_EXTENSION(XvMC, yes)