diff -r e7cfdc266a70 -r e51da3db3464 common/autoconf/configure.ac
--- a/common/autoconf/configure.ac	Fri Nov 21 16:05:46 2014 +0100
+++ b/common/autoconf/configure.ac	Fri Nov 21 16:11:28 2014 +0100
@@ -275,3 +275,4 @@
 # Finally output some useful information to the user
 HELP_PRINT_SUMMARY_AND_WARNINGS
 CUSTOM_SUMMARY_AND_WARNINGS_HOOK
+HELP_REPEAT_WARNINGS