-# 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,
- [
- AC_TRY_RUN([
-# include <stdlib.h>
- int main ()
- {
- int i;
- for (i = 0; i < 30; i++)
+# 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],
+[
+ AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
+ AC_REQUIRE([AC_SYS_LARGEFILE])
+
+ AC_CACHE_CHECK([for working mkstemp],
+ [gl_cv_func_working_mkstemp],
+ [
+ mkdir conftest.mkstemp
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [AC_INCLUDES_DEFAULT],
+ [[int i;
+ off_t large = (off_t) 4294967295u;
+ if (large < 0)
+ large = 2147483647;
+ for (i = 0; i < 70; i++)