diff -r -u plasma-workspace-4.6.0-orig/plasma/generic/dataengines/CMakeLists.txt plasma-workspace-4.6.0/plasma/generic/dataengines/CMakeLists.txt
--- plasma-workspace-4.6.0-orig/plasma/generic/dataengines/CMakeLists.txt	2011-02-03 18:58:47.884000165 -0500
+++ plasma-workspace-4.6.0/plasma/generic/dataengines/CMakeLists.txt	2011-02-03 19:24:21.511000165 -0500
@@ -28,8 +28,10 @@
 macro_log_feature(KDEPIMLIBS_FOUND "kdepimlibs" "KDE PIM libraries" "http://www.kde.org" FALSE "" "Needed for building several plasma dataengines")
 
 if(KDEPIMLIBS_FOUND)
-   add_subdirectory(akonadi)
-   add_subdirectory(calendar)
+   if(AKONADI_FOUND)
+      add_subdirectory(akonadi)
+      add_subdirectory(calendar)
+   endif(AKONADI_FOUND)
    add_subdirectory(rss)
 endif(KDEPIMLIBS_FOUND)