diff --git a/configure b/configure
index 44fb846..52fb46b 100755
--- a/configure
+++ b/configure
@@ -636,6 +636,7 @@
 LTLIBOBJS
 LIBOBJS
 TESTSUITE_CFLAGS
+ADD_CFLAGS
 LEXLIB
 LEX_OUTPUT_ROOT
 LEX
@@ -12390,9 +12391,11 @@
 
 if test x$enable_werror = xyes; then
   TESTSUITE_CFLAGS="-Werror -W -Wpointer-arith"
+  ADD_CFLAGS="-Werror -W -Wpointer-arith"
 fi
 
 
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Wall" >&5
 $as_echo_n "checking whether C compiler accepts -Wall... " >&6; }
 if ${ax_cv_check_cflags___Wall+:} false; then :