configure: mention -libudev in help output

amends 684a155. Change-Id: I25fd5f096e99937382048e2eb763715b9578a8fb Reviewed-by: Oswald Buddenhagen <[email protected]>
KDE-China · Apr 20, 2018 · a8f73a1 · a8f73a1
1 parent 7c53289
commit a8f73a1
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/config_help.txt b/config_help.txt
@@ -292,6 +292,7 @@ Gui, printing, widget options:
                          (-qt-xcb still uses system version of libxcb itself)
 
   Input backends:
+    -libudev............ Enable udev support [auto]
     -evdev ............. Enable evdev support [auto]
     -imf ............... Enable IMF support [auto] (QNX only)
     -libinput .......... Enable libinput support [auto]