diff --git a/ChangeLog b/ChangeLog
index fd2b7b136..a3f7adca7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2001-12-20  David Shaw  <dshaw@jabberwocky.com>
+
+	* configure.ac: replacement function for mkdtemp()
+
 2001-12-19  David Shaw  <dshaw@jabberwocky.com>
 
 	* configure.ac: Check for stat()
diff --git a/configure.ac b/configure.ac
index 8f28e8c93..fdfe1a1cd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -491,6 +491,7 @@ AC_CHECK_FUNCS(strerror stpcpy strsep strlwr stricmp tcgetattr strtoul mmap)
 AC_CHECK_FUNCS(memmove gettimeofday getrusage setrlimit clock_gettime)
 AC_CHECK_FUNCS(memicmp atexit raise getpagesize strftime nl_langinfo)
 AC_CHECK_FUNCS(waitpid wait4 sigaction sigprocmask rand pipe stat)
+AC_REPLACE_FUNCS(mkdtemp)
 
 #
 # check for gethrtime and run a testprogram to see whether