glx: Require xcb_dri2 for building glxdri2.c.

I'm going to transition a bunch of the protocol to using XCB so we can stop
rolling it ourselves.

Reviewed-by: Chad Versace <chad.versace@linux.intel.com>

diff --git a/configure.ac b/configure.ac
index 48ec4669d806bbe89100aedbf8369a3ce89f87b6..b2c499e5e4026527ed356b5ecd0c804f1efe80e4 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -869,7 +869,7 @@ xyesno)
     fi
 
     # find the DRI deps for libGL
-    dri_modules="x11 xext xdamage xfixes x11-xcb xcb-glx >= 1.8.1"
+    dri_modules="x11 xext xdamage xfixes x11-xcb xcb-glx >= 1.8.1 xcb-dri2 >= 1.8"
 
     # add xf86vidmode if available
     PKG_CHECK_MODULES([XF86VIDMODE], [xxf86vm], HAVE_XF86VIDMODE=yes, HAVE_XF86VIDMODE=no)