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dnl $Id: tree.m4 15788 2009-03-17 18:20:58Z moritz $
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dnl Check for sys/tree.h and if it is recent enough by looking at a certain
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dnl macro. Defines HAVE_SYS_TREE_H if all conditions are met.
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dnl Copyright (c) 2008 Moritz Grimm <mgrimm@mrsserver.net>
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dnl Permission to use, copy, modify, and distribute this software for any
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dnl purpose with or without fee is hereby granted, provided that the above
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dnl copyright notice and this permission notice appear in all copies.
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dnl THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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dnl WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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dnl MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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dnl ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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dnl WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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dnl ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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dnl OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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dnl AX_HEADER_TREE([REQUIRED-MACRO], [ACTION-IF-FOUND],
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dnl [ACTION-IF-NOT-FOUND])
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dnl # $Id: tree.m4 1093 2009-06-21 13:54:56Z mgrimm $
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dnl # Check for sys/tree.h and if it is recent enough by looking at a certain
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dnl # macro. Defines HAVE_SYS_TREE_H if all conditions are met.
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dnl # Copyright (c) 2008 Moritz Grimm <mgrimm@mrsserver.net>
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dnl # Permission to use, copy, modify, and distribute this software for any
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dnl # purpose with or without fee is hereby granted, provided that the above
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dnl # copyright notice and this permission notice appear in all copies.
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dnl # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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dnl # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14
dnl # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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dnl # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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dnl # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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dnl # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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dnl # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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dnl # AX_HEADER_TREE([REQUIRED-MACRO], [ACTION-IF-FOUND],
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dnl # [ACTION-IF-NOT-FOUND])
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AC_DEFUN([AX_HEADER_TREE],