diff --git a/configure.in b/configure.in
index d16c00d376..4dfa6c9297 100644
--- a/configure.in
+++ b/configure.in
@@ -1,4 +1,4 @@
-# $Id: configure.in,v 1.29 2002-08-14 13:10:00 eku Exp $
+# $Id: configure.in,v 1.30 2002-08-14 13:43:18 eku Exp $
 
 AC_INIT(src)
 AC_CONFIG_AUX_DIR(src/make.new/config)
@@ -35,7 +35,7 @@ AC_ARG_ENABLE(superserver,
 
 AC_SUBST(FIREBIRD_ARCH_TYPE)
 
-PROD_BUILD_FLG=
+PROD_BUILD_FLG=Y
 AC_ARG_ENABLE(debug,
   [  --enable-debug          build debug version [default=no]],
   [case "$enableval" in
@@ -113,6 +113,7 @@ AC_CHECK_FUNCS(dirname)
 
 AC_C_BIGENDIAN
 AC_C_CONST
+AC_TYPE_SIGNAL
 
 case "$target_cpu" in
 powerpc) AC_DEFINE(PowerPC) ;;