--- a/configure.in
+++ b/configure.in
@@ -651,7 +651,8 @@ if $have_cairo ; then : ; else
    fi
 fi
 
-GTK_DOC_CHECK([1.0])
+AM_CONDITIONAL([ENABLE_GTK_DOC], [false])
+AM_CONDITIONAL([GTK_DOC_USE_LIBTOOL], [false])
 
 AC_ARG_ENABLE(man,
               AC_HELP_STRING([--enable-man],