diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index c9ac11ad4b..b8fb94bd2d 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -48,5 +48,6 @@ check_function_exists("inet_ntop"        HAVE_INET_NTOP_PROTO)
 check_function_exists("issetugid"        HAVE_ISSETUGID)
 check_function_exists("mmap"             HAVE_MMAP)
 check_function_exists("mprotect"         HAVE_MPROTECT)
+check_function_exists("mkdtemp"          HAVE_MKDTEMP)
 check_function_exists("mkstemp"          HAVE_MKSTEMP)
 check_function_exists("sysconf"          HAVE_SYSCONF)
diff --git a/cmakeconfig.h.in b/cmakeconfig.h.in
index bc38d8a254..e27ede8e7c 100644
--- a/cmakeconfig.h.in
+++ b/cmakeconfig.h.in
@@ -102,6 +102,9 @@
 /* Define to use MIT kerberos */
 #cmakedefine HAVE_MIT_KERBEROS 1
 
+/* Define to 1 if you have the `mkdtemp' function. */
+#cmakedefine HAVE_MKDTEMP 1
+
 /* Define to 1 if you have the `mkstemp' function. */
 #cmakedefine HAVE_MKSTEMP 1