From 29d3f78df4630dbee0a141e2be8e77275724b3a8 Mon Sep 17 00:00:00 2001
From: Clint Adams <clint@debian.org>
Date: Wed, 4 Jan 2017 20:39:58 -0500
Subject: New upstream version 4.3

---
 m4/obstack.m4 | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 m4/obstack.m4

(limited to 'm4/obstack.m4')

diff --git a/m4/obstack.m4 b/m4/obstack.m4
new file mode 100644
index 0000000..98ca5f9
--- /dev/null
+++ b/m4/obstack.m4
@@ -0,0 +1,35 @@
+# See if we need to provide obstacks.
+
+dnl Copyright 1996-2016 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl This replaces Autoconf's AC_FUNC_OBSTACK.
+dnl The Autoconf version should be marked obsolete at some point.
+
+AC_DEFUN([AC_FUNC_OBSTACK],
+  [AC_LIBSOURCES([obstack.h, obstack.c])dnl
+   AC_CACHE_CHECK([for obstacks that work with any size object],
+     [ac_cv_func_obstack],
+     [AC_LINK_IFELSE(
+        [AC_LANG_PROGRAM(
+           [[#include "obstack.h"
+             void *obstack_chunk_alloc (size_t n) { return 0; }
+             void obstack_chunk_free (void *p) { }
+             /* Check that an internal function returns size_t, not int.  */
+             size_t _obstack_memory_used (struct obstack *);
+            ]],
+           [[struct obstack mem;
+             obstack_init (&mem);
+             obstack_free (&mem, 0);
+           ]])],
+        [ac_cv_func_obstack=yes],
+        [ac_cv_func_obstack=no])])
+   if test "$ac_cv_func_obstack" = yes; then
+     AC_DEFINE([HAVE_OBSTACK], 1,
+       [Define to 1 if the system has obstacks that work with any size object.])
+   else
+     AC_LIBOBJ([obstack])
+   fi
+])
-- 
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