configure.ac: drop -Wno-obsolete from AM_INIT_AUTOMAKE

Even Ubuntu 16.04 has automake 1.11.
Now that we no longer cater to automake 1.9, drop the comment
as well as the -Wno-obsolete option, since it does not seem to generate
any warnings anymore.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>

diff --git a/configure.ac b/configure.ac
index 06d171d1904701065b7916c285de27e3c5615e70..da4b386afa852cf1ae4339dd74bd782610804d8d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -22,11 +22,9 @@ AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_HEADERS([config.h])
 AH_BOTTOM([#include <config-post.h>])
 AC_CONFIG_MACRO_DIR([m4])
-dnl Make automake keep quiet about wildcards & other GNUmake-isms; also keep
-dnl quiet about the fact that we intentionally cater to automake 1.9
+dnl Make automake keep quiet about wildcards & other GNUmake-isms
 AM_INIT_AUTOMAKE([
     -Wno-portability
-    -Wno-obsolete
     tar-pax
     no-dist-gzip
     dist-xz