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annotate m4/search_h.m4 @ 13129:3a2049062a71

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time_r: Fix C++ test error on mingw.
author Bruno Haible <bruno@clisp.org>
date Sat, 03 Apr 2010 18:52:49 +0200
parents b2385e7b332e
children 97fc9a21a8fb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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13066
fc8c984b0733 Factorize common .m4 code.
Bruno Haible <bruno@clisp.org>
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1 # search_h.m4 serial 7
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c2cbabec01dd update nearly all FSF copyright year lists to include 2010
Jim Meyering <meyering@redhat.com>
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2 dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
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3 dnl This file is free software; the Free Software Foundation
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4 dnl gives unlimited permission to copy and/or distribute it,
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5 dnl with or without modifications, as long as this notice is preserved.
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6
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7 AC_DEFUN([gl_SEARCH_H],
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8 [
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9 AC_REQUIRE([gl_SEARCH_H_DEFAULTS])
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21ecefd9dc81 headers: make check of system header explicit
Eric Blake <ebb9@byu.net>
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10 AC_CHECK_HEADERS_ONCE([search.h])
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1025663f7658 * m4/include_next.m4 (gl_INCLUDE_NEXT): Define and AC_SUBST
Paul Eggert <eggert@cs.ucla.edu>
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11 gl_CHECK_NEXT_HEADERS([search.h])
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12 if test $ac_cv_header_search_h = yes; then
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13 HAVE_SEARCH_H=1
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14 else
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15 HAVE_SEARCH_H=0
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16 fi
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17 AC_SUBST([HAVE_SEARCH_H])
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2c14f1e449e5 warn-on-use: use instead of link-warning
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18
2c14f1e449e5 warn-on-use: use instead of link-warning
Eric Blake <ebb9@byu.net>
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19 dnl Check for declarations of anything we want to poison if the
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Eric Blake <ebb9@byu.net>
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20 dnl corresponding gnulib module is not in use.
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21 gl_WARN_ON_USE_PREPARE([[#include <search.h>
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22 ]], [tdelete tfind tsearch twalk])
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23 ])
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24
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25 AC_DEFUN([gl_SEARCH_MODULE_INDICATOR],
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26 [
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27 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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28 AC_REQUIRE([gl_SEARCH_H_DEFAULTS])
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29 gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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633887b7a0d3 Tests of module 'search' in C++ mode.
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30 dnl Define it also as a C macro, for the benefit of the unit tests.
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b2385e7b332e Distinguish two kinds of module indicators.
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31 gl_MODULE_INDICATOR_FOR_TESTS([$1])
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32 ])
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33
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34 AC_DEFUN([gl_SEARCH_H_DEFAULTS],
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35 [
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36 GNULIB_TSEARCH=0; AC_SUBST([GNULIB_TSEARCH])
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37 dnl Assume proper GNU behavior unless another module says otherwise.
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38 HAVE_TSEARCH=1; AC_SUBST([HAVE_TSEARCH])
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39 REPLACE_TSEARCH=0; AC_SUBST([REPLACE_TSEARCH])
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40 ])