From 0c0d3bf736384e090f5e6910ee5ca02f3e8dc32b Mon Sep 17 00:00:00 2001
From: Dana Robinson <43805+derobins@users.noreply.github.com>
Date: Wed, 6 Jul 2022 14:56:26 -0700
Subject: [PATCH] Suppress the "obsolete" category of Autoconf warnings (#1853)

Very new versions of Autoconf complain about our Java macros. Since they
work well enough and there is no obvious upgrade path, we're suppressing
the category for now.
---
 autogen.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/autogen.sh b/autogen.sh
index 4676ee0b08..7c3cbcf5ac 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -236,7 +236,10 @@ ${automake_cmd} || exit 1
 echo
 
 # AUTOCONF
-autoconf_cmd="${HDF5_AUTOCONF} --force"
+# The "obsolete" warnings category flags our Java macros as obsolete.
+# Since there is no clear way to upgrade them (Java support in the Autotools
+# is not great) and they work well enough for now, we suppress those warnings.
+autoconf_cmd="${HDF5_AUTOCONF} --force --warnings=no-obsolete"
 echo "${autoconf_cmd}"
 if [ "$verbose" = true ] ; then
     ${HDF5_AUTOCONF} --version