1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
#serial 11
# Copyright (C) 2000, 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
dnl From Jim Meyering
AC_DEFUN([gl_TIMESPEC],
[
AC_LIBSOURCES([timespec.h])
dnl Prerequisites of lib/timespec.h.
AC_REQUIRE([AC_C_INLINE])
AC_REQUIRE([AC_HEADER_TIME])
AC_CHECK_HEADERS_ONCE(sys/time.h)
gl_CHECK_TYPE_STRUCT_TIMESPEC
dnl Persuade glibc <time.h> to declare nanosleep().
AC_REQUIRE([AC_GNU_SOURCE])
AC_CHECK_DECLS(nanosleep, , , [#include <time.h>])
])
dnl Define HAVE_STRUCT_TIMESPEC if `struct timespec' is declared
dnl in time.h or sys/time.h.
AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC],
[
dnl Persuade pedantic Solaris to declare struct timespec.
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([AC_HEADER_TIME])
AC_CHECK_HEADERS_ONCE(sys/time.h)
AC_CACHE_CHECK([for struct timespec], fu_cv_sys_struct_timespec,
[AC_TRY_COMPILE(
[
# if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
# else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
# endif
],
[static struct timespec x; x.tv_sec = x.tv_nsec;],
fu_cv_sys_struct_timespec=yes,
fu_cv_sys_struct_timespec=no)
])
if test $fu_cv_sys_struct_timespec = yes; then
AC_DEFINE(HAVE_STRUCT_TIMESPEC, 1,
[Define if struct timespec is declared in <time.h>. ])
fi
])
|
