configure.ac: Bump minimum D-Bus version to 1.10

D-Bus 1.10, released in 2015, is the first version that supports reading
policy files from `/usr/share/dbus-1` in addition to `/etc/dbus-1`.

The previous minimum version, 1.6, was released in 2012.

diff --git a/configure.ac b/configure.ac
index 1f05ce3..2976b91 100755 (executable)
--- a/configure.ac
+++ b/configure.ac
@@ -86,8 +86,8 @@ if (test "${enable_threads}" = "yes"); then
        GLIB_LIBS="$GLIB_LIBS $GTHREAD_LIBS"
 fi
 
-PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.6, dummy=yes,
-                               AC_MSG_ERROR(D-Bus >= 1.6 is required))
+PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.10, dummy=yes,
+                               AC_MSG_ERROR(D-Bus >= 1.10 is required))
 AC_SUBST(DBUS_CFLAGS)
 AC_SUBST(DBUS_LIBS)