-# Other systems lack mkstemp altogether. On either type of system, arrange
-# to use the replacement function.
-AC_DEFUN([UTILS_FUNC_MKSTEMP],
+# Other systems lack mkstemp altogether.
+# On OSF1/Tru64 V4.0F, the system-provided mkstemp function can create
+# only 32 files per process.
+# On systems like the above, arrange to use the replacement function.
+AC_DEFUN([gl_FUNC_MKSTEMP],