diff --git a/cmake/modules/FindXVidModeExtensions.cmake b/cmake/modules/FindXVidModeExtensions.cmake
new file mode 100644
index 000000000..2db4eac32
--- /dev/null
+++ b/cmake/modules/FindXVidModeExtensions.cmake
@@ -0,0 +1,18 @@
+# cmake macro to test if we have xvidmode extensions - xf86
+#
+#  XVIDMODEEXTENSIONS_FOUND - system has XVIDMODEEXTENSIONS libs
+
+FIND_PATH(XVIDMODEEXTENSIONS_INCLUDE_DIR X11/extensions/xf86vmode.h
+   /usr/include
+   /usr/local/include
+   /usr/X11R6/include
+)
+
+if (XVIDMODEEXTENSIONS_INCLUDE_DIR)
+   set(XVIDMODEEXTENSIONS_FOUND TRUE)
+   message(STATUS "Found X VidMode extensions: ${XVIDMODEEXTENSIONS_INCLUDE_DIR}")
+else (XVIDMODEEXTENSIONS_INCLUDE_DIR)
+   set(XVIDMODEEXTENSIONS_FOUND FALSE)
+   message(STATUS "Did not find X VidMode extensions")
+endif (XVIDMODEEXTENSIONS_INCLUDE_DIR)
+