| 1 | # Checks for stat-related time functions.
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| 2 |
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| 3 | # Copyright (C) 1998, 1999, 2001, 2003, 2005, 2006 Free Software
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| 4 | # Foundation, Inc.
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| 5 |
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| 6 | # This file is free software; the Free Software Foundation
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| 7 | # gives unlimited permission to copy and/or distribute it,
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| 8 | # with or without modifications, as long as this notice is preserved.
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| 9 |
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| 10 | dnl From Paul Eggert.
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| 11 |
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| 12 | # st_atim.tv_nsec - Linux, Solaris
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| 13 | # st_atimespec.tv_nsec - FreeBSD, if ! defined _POSIX_SOURCE
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| 14 | # st_atimensec - FreeBSD, if defined _POSIX_SOURCE
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| 15 | # st_atim.st__tim.tv_nsec - UnixWare (at least 2.1.2 through 7.1)
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| 16 | # st_spare1 - Cygwin?
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| 17 |
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| 18 | AC_DEFUN([gl_STAT_TIME],
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| 19 | [
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| 20 | AC_REQUIRE([AC_C_INLINE])
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| 21 | AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
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| 22 |
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| 23 | AC_CHECK_MEMBERS([struct stat.st_atim.tv_nsec],
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| 24 | [AC_CACHE_CHECK([whether struct stat.st_atim is of type struct timespec],
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| 25 | [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec],
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| 26 | [AC_TRY_COMPILE(
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| 27 | [
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| 28 | #include <sys/types.h>
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| 29 | #if TIME_WITH_SYS_TIME
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| 30 | # include <sys/time.h>
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| 31 | # include <time.h>
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| 32 | #else
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| 33 | # if HAVE_SYS_TIME_H
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| 34 | # include <sys/time.h>
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| 35 | # else
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| 36 | # include <time.h>
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| 37 | # endif
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| 38 | #endif
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| 39 | #include <sys/stat.h>
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| 40 | struct timespec ts;
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| 41 | struct stat st;
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| 42 | ],
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| 43 | [
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| 44 | st.st_atim = ts;
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| 45 | ],
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| 46 | [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=yes],
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| 47 | [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=no])])
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| 48 | if test $ac_cv_typeof_struct_stat_st_atim_is_struct_timespec = yes; then
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| 49 | AC_DEFINE([TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC], 1,
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| 50 | [Define to 1 if the type of the st_atim member of a struct stat is
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| 51 | struct timespec.])
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| 52 | fi],
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| 53 | [AC_CHECK_MEMBERS([struct stat.st_atimespec.tv_nsec], [],
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| 54 | [AC_CHECK_MEMBERS([struct stat.st_atimensec], [],
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| 55 | [AC_CHECK_MEMBERS([struct stat.st_atim.st__tim.tv_nsec], [],
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| 56 | [AC_CHECK_MEMBERS([struct stat.st_spare1], [],
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| 57 | [],
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| 58 | [#include <sys/types.h>
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| 59 | #include <sys/stat.h>])],
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| 60 | [#include <sys/types.h>
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| 61 | #include <sys/stat.h>])],
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| 62 | [#include <sys/types.h>
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| 63 | #include <sys/stat.h>])],
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| 64 | [#include <sys/types.h>
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| 65 | #include <sys/stat.h>])],
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| 66 | [#include <sys/types.h>
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| 67 | #include <sys/stat.h>])
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| 68 | ])
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