(UTILS_FUNC_MKSTEMP): Don't bother with a temporary

directory.  Use "conftestXXXXXX" as the template.
Suggestion from Paul Eggert.

diff --git a/m4/mkstemp.m4 b/m4/mkstemp.m4
index a7c12d8891b8e5d08eed48b4a199e866fff4d6be..7059687e8b6b9175f6c2de6037dd9dfa7ce64dd4 100644 (file)
--- a/m4/mkstemp.m4
+++ b/m4/mkstemp.m4
@@ -13,11 +13,6 @@ AC_DEFUN([UTILS_FUNC_MKSTEMP],
     AC_CACHE_CHECK([for mkstemp limitations],
       utils_cv_func_mkstemp_limitations,
       [
-       utils_tmpdir_mkstemp=mkst-$$$$
-       # Arrange for deletion-upon-exception of this temporary directory.
-       ac_clean_files="$ac_clean_files $utils_tmpdir_mkstemp"
-       mkdir $utils_tmpdir_mkstemp
-
        AC_TRY_RUN([
 #         include <stdlib.h>
          int main ()
@@ -25,7 +20,7 @@ AC_DEFUN([UTILS_FUNC_MKSTEMP],
            int i;
            for (i = 0; i < 30; i++)
              {
-               char template[] = "$utils_tmpdir_mkstemp/aXXXXXX";
+               char template[] = "conftestXXXXXX";
                int fd = mkstemp (template);
                if (fd == -1)
                  exit (1);
@@ -38,8 +33,6 @@ AC_DEFUN([UTILS_FUNC_MKSTEMP],
        utils_cv_func_mkstemp_limitations=yes,
        utils_cv_func_mkstemp_limitations=yes
        )
-
-       rm -rf $utils_tmpdir_mkstemp
       ]
     )
   fi