autoconf: fix warning by replacing AC_WARN with AC_MSG_WARN

A warning about the macro generating the warnings to the user...

Signed-off-by: Gaetan Nadon <memsize@videotron.ca>
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/configure.ac b/configure.ac
index 85ef4f0..560c460 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -2413,7 +2413,7 @@ AC_SUBST([prefix])
 AC_CONFIG_COMMANDS([sdksyms], [touch hw/xfree86/sdksyms.dep])
 
 if test "x$CONFIG_HAL" = xno && test "x$CONFIG_UDEV" = xno; then
-    AC_WARN([
+    AC_MSG_WARN([
              ***********************************************
              Neither HAL nor udev backend will be enabled.
              Input device hotplugging will not be available!