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annotate m4/strings_h.m4 @ 14079:97fc9a21a8fb

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maint: update almost all copyright ranges to include 2011 Run the new "make update-copyright" rule.
author Jim Meyering <meyering@redhat.com>
date Sat, 01 Jan 2011 20:17:23 +0100
parents fc8c984b0733
children 25fd80a52583
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d7da1f241448 Move declarations of str{,n}casecmp from <string.h> to <strings.h>.
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1 # Configure a replacement for <string.h>.
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2 # serial 3
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3
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4 # Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
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5 # This file is free software; the Free Software Foundation
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6 # gives unlimited permission to copy and/or distribute it,
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7 # with or without modifications, as long as this notice is preserved.
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9 AC_DEFUN([gl_HEADER_STRINGS_H],
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10 [
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11 dnl Use AC_REQUIRE here, so that the default behavior below is expanded
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12 dnl once only, before all statements that occur in other macros.
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13 AC_REQUIRE([gl_HEADER_STRINGS_H_BODY])
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14 ])
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16 AC_DEFUN([gl_HEADER_STRINGS_H_BODY],
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17 [
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18 AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
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19 gl_CHECK_NEXT_HEADERS([strings.h])
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20
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21 dnl Check for declarations of anything we want to poison if the
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22 dnl corresponding gnulib module is not in use.
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23 gl_WARN_ON_USE_PREPARE([[#include <strings.h>
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24 ]], [strcasecmp strncasecmp])
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25 ])
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27 AC_DEFUN([gl_STRINGS_MODULE_INDICATOR],
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28 [
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29 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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30 AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
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31 gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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32 ])
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34 AC_DEFUN([gl_HEADER_STRINGS_H_DEFAULTS],
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35 [
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36 dnl Assume proper GNU behavior unless another module says otherwise.
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37 HAVE_STRCASECMP=1; AC_SUBST([HAVE_STRCASECMP])
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38 HAVE_DECL_STRNCASECMP=1; AC_SUBST([HAVE_DECL_STRNCASECMP])
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39 ])