diff --git a/configure.ac b/configure.ac
index c68f69de..a533820a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -820,3 +820,10 @@ else
   License         :  LGPL or eCos
 ])
 fi
+
+if test "x$enable_bauth" != "xyes" -o \
+        "x$enable_dauth" != "xyes" -o \
+        "x$enable_postprocessor" != "xyes"
+then
+ AC_MSG_NOTICE([WARNING: This will be a custom build with missing symbols. Do NOT use this build in a distribution. Building with these kinds of configure options is only for custom builds for embedded systems.])
+fi