-# Other systems lack mkstemp altogether. On either type of system, arrange
-# to use the replacement function.
-AC_DEFUN([UTILS_FUNC_MKSTEMP],
-[dnl
- AC_REPLACE_FUNCS(mkstemp)
- if test $ac_cv_func_mkstemp = no; then
- utils_cv_func_mkstemp_limitations=yes
- else
- AC_CACHE_CHECK([for mkstemp limitations],
- utils_cv_func_mkstemp_limitations,
+# Other systems lack mkstemp altogether.
+# On OSF1/Tru64 V4.0F, the system-provided mkstemp function can create
+# only 32 files per process.
+# On some hosts, mkstemp creates files with mode 0666, which is a security
+# problem and a violation of POSIX 2008.
+# On systems like the above, arrange to use the replacement function.
+AC_DEFUN([gl_FUNC_MKSTEMP],
+[
+ AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
+
+ AC_CHECK_FUNCS_ONCE([mkstemp])
+ if test $ac_cv_func_mkstemp = yes; then
+ AC_CACHE_CHECK([for working mkstemp],
+ [gl_cv_func_working_mkstemp],