--- configure.in.orig	Tue Nov 16 04:03:30 2004
+++ configure.in	Fri Nov 26 02:04:59 2004
@@ -829,6 +831,13 @@
    AC_DEFINE(HAVE_SIG_ATOMIC_T_TYPE,1,[Whether we have the atomic_t variable type])
 fi
 
+AC_CACHE_CHECK([for optreset], samba_cv_var_optreset, [
+  AC_TRY_LINK([#include <unistd.h>],[optreset = 1],
+  [samba_cv_var_optreset=yes],[samba_cv_var_optreset=no])])
+if test x"$samba_cv_var_optreset" = x"yes"; then
+  AC_DEFINE(HAVE_OPTRESET,1,[Whether the system has optreset])
+fi
+
 # stupid headers have the functions but no declaration. grrrr.
 AC_HAVE_DECL(errno, [#include <errno.h>])
 AC_HAVE_DECL(setresuid, [#include <unistd.h>])