configure: Disable X Window support on Mac OS X by default.

diff --git a/configure.ac b/configure.ac
index d7311f489fe6286c577cf58624b1b9491a0f274a..257fd34b241f1344509c4d35443e39f3555fef42 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -3613,7 +3613,7 @@ dnl  X C Bindings modules
 dnl
 AC_ARG_ENABLE(xcb,
   [  --enable-xcb            X11 support with XCB (default enabled)],, [
-  AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"], [
+  AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce" -a "${SYS}" != "darwin"], [
     enable_xcb="yes"
   ], [
     enable_xcb="no"