Add note that inittab-id/-line have no effect if utmp not supported.

diff --git a/doc/manpages/dinit-service.5 b/doc/manpages/dinit-service.5
index a46cd31d6188428d1935c9f098f70c309aaebfcb..d0fd004a6f1e0a418d052c074ccadc735fccd052 100644 (file)
--- a/doc/manpages/dinit-service.5
+++ b/doc/manpages/dinit-service.5
@@ -266,6 +266,9 @@ The "utmp" database is mostly a historical artifact. Access to it on some system
 prone to denial-of-service by unprivileged users. It is therefore recommended that this
 setting not be used. However, "who" and similar utilities may not work correctly without
 this setting (or \fBinittab-line\fR) enabled appropriately.
+
+This setting has no effect if Dinit was not built with support for writing to the "utmp"
+database.
 .TP
 \fBinittab-line\fR = \fItty-name-string\fR
 This specifies the tty line that will be written to the "utmp" database when this service