--- gdbm-1.8.3/configure.in.orig	2007-04-08 00:00:19 +0000
+++ gdbm-1.8.3/configure.in	2007-04-08 00:00:54 +0000
@@ -3,6 +3,7 @@ AC_INIT([gdbm], [1.8.3])
 AC_PREREQ(2.54)
 AC_CONFIG_SRCDIR([gdbmdefs.h])
 AC_CONFIG_HEADERS([autoconf.h])
+AC_USE_SYSTEM_EXTENSIONS
 AC_PROG_CC
 AC_PROG_CPP
 AC_PROG_INSTALL