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-rw-r--r--bin/autoupdate.in5
1 files changed, 5 insertions, 0 deletions
diff --git a/bin/autoupdate.in b/bin/autoupdate.in
index 3f13254b..047f8e0e 100644
--- a/bin/autoupdate.in
+++ b/bin/autoupdate.in
@@ -229,6 +229,11 @@ $autoconf .= " --verbose" if $verbose;
$autoconf .= join (' --include=', '', map { shell_quote ($_) } @include);
$autoconf .= join (' --prepend-include=', '', map { shell_quote ($_) } @prepend_include);
+# Disable all warnings from autoconf invocations.
+# In particular we do not want warnings about obsolete constructs,
+# which are on by default as of autoconf 2.70.
+$ENV{'WARNINGS'} = 'none';
+
mktmpdir ('au');
handle_autoconf_macros;