[PATCH rpcbind] autotools/systemd: call rpcbind with -w only on enabled warm starts

[Bastian Krause <bst@pengutronix.de>]

If rpcbind is configured with --disable-warmstarts it responds on -w
with its usage string. This is not helpful in a systemd service, so pass
-w conditionally.

Signed-off-by: Bastian Krause <bst@pengutronix.de>
---
 configure.ac               | 6 ++++++
 systemd/rpcbind.service.in | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index c0ef896..c2069a2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,6 +20,12 @@ AM_CONDITIONAL(LIBSETDEBUG, test x$lib_setdebug = xyes)
 AC_ARG_ENABLE([warmstarts],
   AS_HELP_STRING([--enable-warmstarts], [Enables Warm Starts @<:@default=no@:>@]))
 AM_CONDITIONAL(WARMSTART, test x$enable_warmstarts = xyes)
+AS_IF([test x$enable_warmstarts = xyes], [
+	warmstarts_opt=-w
+], [
+	warmstarts_opt=
+])
+AC_SUBST([warmstarts_opt], [$warmstarts_opt])
 
 AC_ARG_ENABLE([rmtcalls],
   AS_HELP_STRING([--enable-rmtcalls], [Enables Remote Calls @<:@default=no@:>@]))
diff --git a/systemd/rpcbind.service.in b/systemd/rpcbind.service.in
index 7b1c74b..c892ca8 100644
--- a/systemd/rpcbind.service.in
+++ b/systemd/rpcbind.service.in
@@ -12,7 +12,7 @@ Wants=rpcbind.target
 [Service]
 Type=notify
 # distro can provide a drop-in adding EnvironmentFile=-/??? if needed.
-ExecStart=@_sbindir@/rpcbind $RPCBIND_OPTIONS -w -f
+ExecStart=@_sbindir@/rpcbind $RPCBIND_OPTIONS @warmstarts_opt@ -f
 
 [Install]
 WantedBy=multi-user.target
-- 
2.29.2