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434
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1 # sysexits.m4 serial 5
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2 dnl Copyright (C) 2003, 2005, 2007, 2009, 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_SYSEXITS],
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8 [
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9 AC_CHECK_HEADERS_ONCE([sysexits.h])
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10 if test $ac_cv_header_sysexits_h = yes; then
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11 HAVE_SYSEXITS_H=1
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12 gl_CHECK_NEXT_HEADERS([sysexits.h])
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13 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sysexits.h>]],
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14 [[switch (0)
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15 {
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16 case EX_OK:
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17 case EX_USAGE:
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18 case EX_DATAERR:
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19 case EX_NOINPUT:
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20 case EX_NOUSER:
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21 case EX_NOHOST:
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22 case EX_UNAVAILABLE:
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23 case EX_SOFTWARE:
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24 case EX_OSERR:
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25 case EX_OSFILE:
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26 case EX_CANTCREAT:
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27 case EX_IOERR:
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28 case EX_TEMPFAIL:
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29 case EX_PROTOCOL:
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30 case EX_NOPERM:
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31 case EX_CONFIG:
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32 break;
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33 }
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34 ]])],
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35 [SYSEXITS_H=],
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36 [SYSEXITS_H=sysexits.h])
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37 else
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38 HAVE_SYSEXITS_H=0
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39 SYSEXITS_H=sysexits.h
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40 fi
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41 AC_SUBST([HAVE_SYSEXITS_H])
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42 AC_SUBST([SYSEXITS_H])
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43 ])
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