dbus-sysdeps-pthread.c: don't fail if !HAVE_MONOTONIC_CLOCK under -Werror=unused

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=47239

diff --git a/dbus/dbus-sysdeps-pthread.c b/dbus/dbus-sysdeps-pthread.c
index c60457b..439c9c6 100644 (file)
--- a/dbus/dbus-sysdeps-pthread.c
+++ b/dbus/dbus-sysdeps-pthread.c
@@ -36,12 +36,14 @@
 
 #include <config.h>
 
+#ifdef HAVE_MONOTONIC_CLOCK
 /* Whether we have a "monotonic" clock; i.e. a clock not affected by
  * changes in system time.
  * This is initialized once in check_monotonic_clock below.
  * https://bugs.freedesktop.org/show_bug.cgi?id=18121
  */
 static dbus_bool_t have_monotonic_clock = 0;
+#endif
 
 struct DBusRMutex {
   pthread_mutex_t lock; /**< the lock */