which uses lock files for this purpose. Some systems use other methods.
If your system uses the `flock' system call for mail locking,
- define MAIL_USE_SYSTEM_LOCK in config.h or the s-*.h file
- and recompile movemail. If the s- file for your system
- should define MAIL_USE_SYSTEM_LOCK but does not, send a bug report
- to bug-gnu-emacs@prep.ai.mit.edu so we can fix it. */
+ define MAIL_USE_SYSTEM_LOCK in config.h and recompile movemail.
+ If your system type should always define MAIL_USE_SYSTEM_LOCK
+ but does not, send a bug report to bug-gnu-emacs@gnu.org so we
+ can change the default in configure. */
inname_len = strlen (inname);
lockname = xmalloc (inname_len + sizeof ".lock");