1 files changed, 8 insertions, 2 deletions

diff --git a/src/filelock.c b/src/filelock.c
index 02b3ccc8b05..71fa7867cf0 100644
--- a/src/filelock.c
+++ b/src/filelock.c
@@ -203,9 +203,15 @@ get_boot_time ()
           if (! NILP (Ffile_exists_p (tempname)))
             {
               Lisp_Object args[6];
-              tempname = Fexpand_file_name (build_string ("wtmp"),
+
+              /* The utmp functions on mescaline.gnu.org accept only
+                 file names up to 8 characters long.  Choose a 2
+                 character long prefix, and call make_temp_file with
+                 second arg non-zero, so that it will add not more
+                 than 6 characters to the prefix.  */
+              tempname = Fexpand_file_name (build_string ("wt"),
                                             Vtemporary_file_directory);
-              tempname = Fmake_temp_name (tempname);
+              tempname = make_temp_name (tempname, 1);
               args[0] = Vshell_file_name;
               args[1] = Qnil;
               args[2] = Qnil;