-gn_daemon_pidfile="/var/run/gnunetd/pid"
-AC_ARG_WITH(daemon-pidfile,
- AC_HELP_STRING(
- [--with-daemon-pidfile=FILE],
- [default daemon pidfile (/var/run/gnunetd/pid)]),
- [gn_daemon_pidfile=$withval])
-AC_SUBST(GN_DAEMON_PIDFILE, $gn_daemon_pidfile)