diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5802ae577f..544860af65 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -103,6 +103,13 @@ install( FILES org.kde.KWin.xml DESTINATION ${DBUS_INTERFACES_DIR} )
 
 kde4_install_icons( ${ICON_INSTALL_DIR} )
 
-
-SET(KWIN_COMPOSITE_ENABLED X11_Xrender_FOUND AND X11_Xcomposite_FOUND)
-macro_log_feature(KWIN_COMPOSITE_ENABLED "Compositing support" "XRender and XComposite extensions are required for KWin compositing support" "http://www.x.org/")
+# cmake apparently doesn't allow nested ()'s in if(), so write as multiple if()'s
+if( X11_Xcomposite_FOUND AND X11_Xdamage_FOUND )
+  if( OPENGL_FOUND )
+    SET(KWIN_COMPOSITE_ENABLED TRUE)
+  endif( OPENGL_FOUND )
+  if( X11_Xrender_FOUND AND X11_Xfixes_FOUND )
+    SET(KWIN_COMPOSITE_ENABLED TRUE)
+  endif( X11_Xrender_FOUND AND X11_Xfixes_FOUND )
+endif( X11_Xcomposite_FOUND AND X11_Xdamage_FOUND )
+macro_log_feature(KWIN_COMPOSITE_ENABLED "Compositing support" "XComposite and XDamage extensions and OpenGL or XRender with XFixes are required for KWin compositing support" "http://www.x.org/")