diff --git a/ChangeLog b/ChangeLog
index f3a3896754..d764709bd7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 22 19:22:26 2003  GOTOU Yuuzou  <gotoyuzo@notwork.org>
+
+	* configure.in (AC_CHECK_FUNCS): add setuid and setgid.
+
 Sun Sep 21 04:12:36 2003  GOTOU Yuuzou  <gotoyuzo@notwork.org>
 
 	* ext/openssl/ossl_ocsp.c (ossl_ocspreq_initialize): the argument
diff --git a/configure.in b/configure.in
index 77b3b0bbf4..e4356d9a65 100644
--- a/configure.in
+++ b/configure.in
@@ -373,7 +373,8 @@ AC_CHECK_FUNCS(fmod killpg wait4 waitpid syscall chroot fsync\
 	      setrgid setegid setregid setresgid issetugid pause lchown lchmod\
 	      getpgrp setpgrp getpgid setpgid initgroups getgroups setgroups\
 	      getpriority getrlimit dlopen sigprocmask sigaction _setjmp\
-	      setsid telldir seekdir fchmod mktime timegm cosh sinh tanh)
+	      setsid telldir seekdir fchmod mktime timegm cosh sinh tanh\
+	      setuid setgid)
 AC_ARG_ENABLE(setreuid,
        [  --enable-setreuid       use setreuid()/setregid() according to need even if obsolete.],
        [use_setreuid=$enableval])