[mutter] configure: Require libinput 1.4

[Carlos Garnacho <carlosg src gnome org>]

commit 2e4eb86340bba02a212227b90ed6dec1abe666d1
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Jul 27 13:25:38 2016 +0200

    configure: Require libinput 1.4
    
    We use API recently added in that version.

 clutter/configure.ac |    2 +-
 configure.ac         |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/clutter/configure.ac b/clutter/configure.ac
index 80f73f6..ad5be7c 100644
--- a/clutter/configure.ac
+++ b/clutter/configure.ac
@@ -116,7 +116,7 @@ m4_define([pango_req_version],          [1.30])
 m4_define([gi_req_version],             [1.39.0])
 m4_define([xcomposite_req_version],     [0.4])
 m4_define([gdk_req_version],            [3.3.18])
-m4_define([libinput_req_version],       [0.19.0])
+m4_define([libinput_req_version],       [1.4.0])
 m4_define([libudev_req_version],        [136])
 
 AC_SUBST([GLIB_REQ_VERSION],       [glib_req_version])
diff --git a/configure.ac b/configure.ac
index d1ea124..8548d89 100644
--- a/configure.ac
+++ b/configure.ac
@@ -214,7 +214,7 @@ AC_SUBST(XWAYLAND_PATH)
 
 PKG_CHECK_MODULES(MUTTER, $MUTTER_PC_MODULES)
 
-MUTTER_NATIVE_BACKEND_MODULES="libdrm libsystemd libinput gudev-1.0 gbm >= 10.3"
+MUTTER_NATIVE_BACKEND_MODULES="libdrm libsystemd libinput >= 1.4 gudev-1.0 gbm >= 10.3"
 
 AC_ARG_ENABLE(native-backend,
   AS_HELP_STRING([--disable-native-backend], [disable mutter native (KMS) backend]),,