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maint: Run 'make update-copyright'
author Paul Eggert <eggert@cs.ucla.edu>
date Tue, 01 Jan 2019 00:25:11 +0100
parents 10eb9086bea0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # serial 5
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2 dnl Copyright (C) 2008-2019 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_FUNC_RANDOM_R],
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8 [
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9 AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
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10 AC_REQUIRE([AC_CANONICAL_HOST])
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11
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12 AC_CHECK_HEADERS([random.h], [], [], [AC_INCLUDES_DEFAULT])
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13 if test $ac_cv_header_random_h = no; then
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14 HAVE_RANDOM_H=0
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15 fi
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16
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17 AC_CHECK_TYPES([struct random_data],
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18 [], [HAVE_STRUCT_RANDOM_DATA=0],
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19 [[#include <stdlib.h>
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20 #if HAVE_RANDOM_H
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21 # include <random.h>
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22 #endif
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23 ]])
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24
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25 dnl On AIX and OSF/1, these functions exist, but with different declarations.
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26 dnl Override them all.
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27 case "$host_os" in
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28 aix* | osf*)
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29 REPLACE_RANDOM_R=1
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30 ;;
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31 *)
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32 AC_CHECK_FUNCS([random_r])
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33 if test $ac_cv_func_random_r = no; then
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34 HAVE_RANDOM_R=0
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35 fi
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36 ;;
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37 esac
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38 ])
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39
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40 # Prerequisites of lib/random_r.c.
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41 AC_DEFUN([gl_PREREQ_RANDOM_R], [
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42 :
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43 ])