diff --git a/kresources/configure.in.in b/kresources/configure.in.in
new file mode 100644
index 00000000..fe766e83
--- /dev/null
+++ b/kresources/configure.in.in
@@ -0,0 +1,63 @@
+#MIN_CONFIG
+
+dnl Say what we're doing
+AC_MSG_CHECKING(if caldav resource is allowed)
+AC_ARG_ENABLE(caldav, [  --disable-caldav	  disable caldav support (caldav resources such as Google Calendar and Zimbra will not function) ],  with_caldav=$enableval, with_caldav=yes)
+if test "$with_caldav" = "yes"; then
+    AC_MSG_RESULT([yes])
+
+    dnl Check caldav API version
+    AC_LANG_SAVE
+    AC_LANG_CPLUSPLUS
+    cxx_flags_safe="$CXXFLAGS"
+    cflags_safe="$CFLAGS"
+    CXXFLAGS="$CXXFLAGS"
+    CFLAGS="$CFLAGS"
+    AC_MSG_CHECKING([for libcaldav])
+    AC_TRY_COMPILE([extern "C" {
+    #include <libcaldav/caldav.h>
+    }
+    ],[return 0;],
+    [AC_MSG_RESULT(found)
+    AM_CONDITIONAL(include_caldav_SUBDIR, test true = true)],
+    [AC_MSG_RESULT(not found)
+    AM_CONDITIONAL(include_caldav_SUBDIR, test true = false)])
+    CXXFLAGS="$cxx_flags_safe"
+    CFLAGS="$cflags_safe"
+    AC_LANG_RESTORE
+
+else
+    AC_MSG_RESULT([no])
+    AM_CONDITIONAL(include_caldav_SUBDIR, test true = false)
+fi
+
+dnl Say what we're doing
+AC_MSG_CHECKING(if carddav resource is allowed)
+AC_ARG_ENABLE(carddav, [  --disable-carddav	  disable carddav support (carddav resources such as Google Contacts and Zimbra will not function) ],  with_carddav=$enableval, with_carddav=yes)
+if test "$with_carddav" = "yes"; then
+    AC_MSG_RESULT([yes])
+
+    dnl Check carddav API version
+    AC_LANG_SAVE
+    AC_LANG_CPLUSPLUS
+    cxx_flags_safe="$CXXFLAGS"
+    cflags_safe="$CFLAGS"
+    CXXFLAGS="$CXXFLAGS"
+    CFLAGS="$CFLAGS"
+    AC_MSG_CHECKING([for libcarddav])
+    AC_TRY_COMPILE([extern "C" {
+    #include <libcarddav/carddav.h>
+    }
+    ],[return 0;],
+    [AC_MSG_RESULT(found)
+    AM_CONDITIONAL(include_carddav_SUBDIR, test true = true)],
+    [AC_MSG_RESULT(not found)
+    AM_CONDITIONAL(include_carddav_SUBDIR, test true = false)])
+    CXXFLAGS="$cxx_flags_safe"
+    CFLAGS="$cflags_safe"
+    AC_LANG_RESTORE
+
+else
+    AC_MSG_RESULT([no])
+    AM_CONDITIONAL(include_carddav_SUBDIR, test true = false)
+fi