31 lines
995 B
Diff
31 lines
995 B
Diff
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Upstream-Status: Inappropriate [licensing]
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# Define AC_USE_SYSTEM_EXTENSIONS only if it was previously undefined.
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# This is needed to configure correctly with newer versions of autoconf.
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--- tar-1.17/m4/extensions.m4.orig 2010-07-22 22:21:35.000000000 -0700
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+++ tar-1.17/m4/extensions.m4 2010-07-22 22:23:41.000000000 -0700
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@@ -1,4 +1,4 @@
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-# serial 4 -*- Autoconf -*-
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+# serial 5 -*- Autoconf -*-
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# Enable extensions on systems that normally disable them.
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# Copyright (C) 2003, 2006 Free Software Foundation, Inc.
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@@ -16,6 +16,7 @@
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# ------------------------
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# Enable extensions on systems that normally disable them,
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# typically due to standards-conformance issues.
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+m4_ifdef([AC_USE_SYSTEM_EXTENSIONS], [], [
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AC_DEFUN([AC_USE_SYSTEM_EXTENSIONS],
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[
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AC_BEFORE([$0], [AC_COMPILE_IFELSE])
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@@ -48,7 +49,7 @@
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AC_DEFINE([__EXTENSIONS__])
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AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
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AC_DEFINE([_TANDEM_SOURCE])
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-])
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+])])
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# gl_USE_SYSTEM_EXTENSIONS
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# ------------------------
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