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authorThomas Guyot-Sionnest <dermoth@aei.ca>2009-03-20 02:48:40 -0400
committerThomas Guyot-Sionnest <dermoth@aei.ca>2009-03-20 02:57:11 -0400
commit3fa3707b5752adfe348e101a194635cc11ace2af (patch)
treeb8a8d4e0c1db4a056ea64224ba7d06dcf630a48b /gl/m4/time_h.m4
parentd36c97612990ac81d2dc0452b980e8708477df76 (diff)
downloadmonitoring-plugins-3fa3707b5752adfe348e101a194635cc11ace2af.tar.gz
Add the timegm Gnulib module
Diffstat (limited to 'gl/m4/time_h.m4')
-rw-r--r--gl/m4/time_h.m474
1 files changed, 74 insertions, 0 deletions
diff --git a/gl/m4/time_h.m4 b/gl/m4/time_h.m4
new file mode 100644
index 00000000..d42a635e
--- /dev/null
+++ b/gl/m4/time_h.m4
@@ -0,0 +1,74 @@
1# Configure a more-standard replacement for <time.h>.
2
3# Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006, 2007 Free Software
4# Foundation, Inc.
5
6# This file is free software; the Free Software Foundation
7# gives unlimited permission to copy and/or distribute it,
8# with or without modifications, as long as this notice is preserved.
9
10# Written by Paul Eggert and Jim Meyering.
11
12AC_DEFUN([gl_HEADER_TIME_H],
13[
14 dnl Use AC_REQUIRE here, so that the default behavior below is expanded
15 dnl once only, before all statements that occur in other macros.
16 AC_REQUIRE([gl_HEADER_TIME_H_BODY])
17])
18
19AC_DEFUN([gl_HEADER_TIME_H_BODY],
20[
21 AC_REQUIRE([AC_C_RESTRICT])
22 AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
23 gl_CHECK_NEXT_HEADERS([time.h])
24 AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC])
25])
26
27AC_DEFUN([gl_HEADER_TIME_H_DEFAULTS],
28[
29 dnl If another module says to replace or to not replace, do that.
30 dnl Otherwise, replace only if someone compiles with -DGNULIB_PORTCHECK;
31 dnl this lets maintainers check for portability.
32 REPLACE_LOCALTIME_R=GNULIB_PORTCHECK; AC_SUBST([REPLACE_LOCALTIME_R])
33 REPLACE_NANOSLEEP=GNULIB_PORTCHECK; AC_SUBST([REPLACE_NANOSLEEP])
34 REPLACE_STRPTIME=GNULIB_PORTCHECK; AC_SUBST([REPLACE_STRPTIME])
35 REPLACE_TIMEGM=GNULIB_PORTCHECK; AC_SUBST([REPLACE_TIMEGM])
36])
37
38dnl Define HAVE_STRUCT_TIMESPEC if `struct timespec' is declared
39dnl in time.h or sys/time.h.
40
41AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC],
42[
43 AC_CHECK_HEADERS_ONCE([sys/time.h])
44 AC_CACHE_CHECK([for struct timespec in <time.h>],
45 [gl_cv_sys_struct_timespec_in_time_h],
46 [AC_COMPILE_IFELSE(
47 [AC_LANG_PROGRAM(
48 [[#include <time.h>
49 ]],
50 [[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
51 [gl_cv_sys_struct_timespec_in_time_h=yes],
52 [gl_cv_sys_struct_timespec_in_time_h=no])])
53
54 TIME_H_DEFINES_STRUCT_TIMESPEC=0
55 SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=0
56 if test $gl_cv_sys_struct_timespec_in_time_h = yes; then
57 TIME_H_DEFINES_STRUCT_TIMESPEC=1
58 else
59 AC_CACHE_CHECK([for struct timespec in <sys/time.h>],
60 [gl_cv_sys_struct_timespec_in_sys_time_h],
61 [AC_COMPILE_IFELSE(
62 [AC_LANG_PROGRAM(
63 [[#include <sys/time.h>
64 ]],
65 [[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
66 [gl_cv_sys_struct_timespec_in_sys_time_h=yes],
67 [gl_cv_sys_struct_timespec_in_sys_time_h=no])])
68 if test $gl_cv_sys_struct_timespec_in_sys_time_h = yes; then
69 SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=1
70 fi
71 fi
72 AC_SUBST([TIME_H_DEFINES_STRUCT_TIMESPEC])
73 AC_SUBST([SYS_TIME_H_DEFINES_STRUCT_TIMESPEC])
74])