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strptime: Fix C++ test error on mingw.
author Bruno Haible <bruno@clisp.org>
date Sat, 03 Apr 2010 20:23:47 +0200
parents eeb9ce788354
children 080377ada58c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # Configure a more-standard replacement for <time.h>.
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2
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3 # Copyright (C) 2000-2001, 2003-2007, 2009-2010 Free Software Foundation, Inc.
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4
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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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8
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9 # Written by Paul Eggert and Jim Meyering.
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10
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11 AC_DEFUN([gl_HEADER_TIME_H],
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12 [
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13 dnl Use AC_REQUIRE here, so that the default behavior below is expanded
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14 dnl once only, before all statements that occur in other macros.
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15 AC_REQUIRE([gl_HEADER_TIME_H_BODY])
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16 ])
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17
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18 AC_DEFUN([gl_HEADER_TIME_H_BODY],
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19 [
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20 AC_REQUIRE([AC_C_RESTRICT])
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21 AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
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22 gl_CHECK_NEXT_HEADERS([time.h])
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23 AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC])
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24 ])
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25
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26 dnl Define HAVE_STRUCT_TIMESPEC if `struct timespec' is declared
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27 dnl in time.h or sys/time.h.
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28
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29 AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC],
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30 [
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31 AC_CHECK_HEADERS_ONCE([sys/time.h])
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32 AC_CACHE_CHECK([for struct timespec in <time.h>],
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33 [gl_cv_sys_struct_timespec_in_time_h],
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34 [AC_COMPILE_IFELSE(
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35 [AC_LANG_PROGRAM(
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36 [[#include <time.h>
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37 ]],
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38 [[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
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39 [gl_cv_sys_struct_timespec_in_time_h=yes],
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40 [gl_cv_sys_struct_timespec_in_time_h=no])])
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41
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42 TIME_H_DEFINES_STRUCT_TIMESPEC=0
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43 SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=0
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44 if test $gl_cv_sys_struct_timespec_in_time_h = yes; then
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45 TIME_H_DEFINES_STRUCT_TIMESPEC=1
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46 else
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47 AC_CACHE_CHECK([for struct timespec in <sys/time.h>],
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48 [gl_cv_sys_struct_timespec_in_sys_time_h],
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49 [AC_COMPILE_IFELSE(
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50 [AC_LANG_PROGRAM(
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51 [[#include <sys/time.h>
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52 ]],
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53 [[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
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54 [gl_cv_sys_struct_timespec_in_sys_time_h=yes],
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55 [gl_cv_sys_struct_timespec_in_sys_time_h=no])])
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56 if test $gl_cv_sys_struct_timespec_in_sys_time_h = yes; then
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57 SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=1
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58 fi
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59 fi
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60 AC_SUBST([TIME_H_DEFINES_STRUCT_TIMESPEC])
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61 AC_SUBST([SYS_TIME_H_DEFINES_STRUCT_TIMESPEC])
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62 ])
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63
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64 AC_DEFUN([gl_TIME_MODULE_INDICATOR],
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65 [
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66 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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67 AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
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68 gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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69 dnl Define it also as a C macro, for the benefit of the unit tests.
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70 gl_MODULE_INDICATOR_FOR_TESTS([$1])
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71 ])
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72
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73 AC_DEFUN([gl_HEADER_TIME_H_DEFAULTS],
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74 [
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75 GNULIB_MKTIME=0; AC_SUBST([GNULIB_MKTIME])
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76 GNULIB_NANOSLEEP=0; AC_SUBST([GNULIB_NANOSLEEP])
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77 GNULIB_STRPTIME=0; AC_SUBST([GNULIB_STRPTIME])
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78 GNULIB_TIMEGM=0; AC_SUBST([GNULIB_TIMEGM])
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79 GNULIB_TIME_R=0; AC_SUBST([GNULIB_TIME_R])
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80 dnl Assume proper GNU behavior unless another module says otherwise.
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81 HAVE_LOCALTIME_R=1; AC_SUBST([HAVE_LOCALTIME_R])
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82 HAVE_STRPTIME=1; AC_SUBST([HAVE_STRPTIME])
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83 HAVE_TIMEGM=1; AC_SUBST([HAVE_TIMEGM])
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84 dnl If another module says to replace or to not replace, do that.
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85 dnl Otherwise, replace only if someone compiles with -DGNULIB_PORTCHECK;
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86 dnl this lets maintainers check for portability.
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87 REPLACE_LOCALTIME_R=GNULIB_PORTCHECK; AC_SUBST([REPLACE_LOCALTIME_R])
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88 REPLACE_MKTIME=GNULIB_PORTCHECK; AC_SUBST([REPLACE_MKTIME])
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89 REPLACE_NANOSLEEP=GNULIB_PORTCHECK; AC_SUBST([REPLACE_NANOSLEEP])
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90 REPLACE_TIMEGM=GNULIB_PORTCHECK; AC_SUBST([REPLACE_TIMEGM])
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91 ])