nexmon – Blame information for rev 1
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Rev | Author | Line No. | Line |
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1 | office | 1 | # mbstate_t.m4 serial 13 |
2 | dnl Copyright (C) 2000-2002, 2008-2011 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 | |||
7 | # From Paul Eggert. |
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8 | |||
9 | # BeOS 5 has <wchar.h> but does not define mbstate_t, |
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10 | # so you can't declare an object of that type. |
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11 | # Check for this incompatibility with Standard C. |
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12 | |||
13 | # AC_TYPE_MBSTATE_T |
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14 | # ----------------- |
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15 | AC_DEFUN([AC_TYPE_MBSTATE_T], |
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16 | [ |
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17 | AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) dnl for HP-UX 11.11 |
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18 | |||
19 | AC_CACHE_CHECK([for mbstate_t], [ac_cv_type_mbstate_t], |
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20 | [AC_COMPILE_IFELSE( |
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21 | [AC_LANG_PROGRAM( |
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22 | [AC_INCLUDES_DEFAULT[ |
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23 | /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before |
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24 | <wchar.h>. |
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25 | BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be |
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26 | included before <wchar.h>. */ |
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27 | #include <stddef.h> |
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28 | #include <stdio.h> |
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29 | #include <time.h> |
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30 | #include <wchar.h>]], |
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31 | [[mbstate_t x; return sizeof x;]])], |
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32 | [ac_cv_type_mbstate_t=yes], |
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33 | [ac_cv_type_mbstate_t=no])]) |
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34 | if test $ac_cv_type_mbstate_t = yes; then |
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35 | AC_DEFINE([HAVE_MBSTATE_T], [1], |
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36 | [Define to 1 if <wchar.h> declares mbstate_t.]) |
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37 | else |
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38 | AC_DEFINE([mbstate_t], [int], |
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39 | [Define to a type if <wchar.h> does not define.]) |
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40 | fi |
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41 | ]) |