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authorThomas Guyot-Sionnest <dermoth@aei.ca>2010-04-08 01:11:46 (GMT)
committerThomas Guyot-Sionnest <dermoth@aei.ca>2010-04-13 01:26:35 (GMT)
commit74da141e618ef99959d509cb2e7be35a348a39db (patch)
tree88ebc38b381a1021fc2d74864a71e230ae591c3d /gl/m4/time_r.m4
parentc63a4f726a0b6ad8cf6040f947754a81fd4683bb (diff)
downloadmonitoring-plugins-74da141e618ef99959d509cb2e7be35a348a39db.tar.gz
Sync with the latest Gnulib code (177f525)
Signed-off-by: Thomas Guyot-Sionnest <dermoth@aei.ca>
Diffstat (limited to 'gl/m4/time_r.m4')
-rw-r--r--gl/m4/time_r.m449
1 files changed, 30 insertions, 19 deletions
diff --git a/gl/m4/time_r.m4 b/gl/m4/time_r.m4
index c871b56..9e82d39 100644
--- a/gl/m4/time_r.m4
+++ b/gl/m4/time_r.m4
@@ -1,6 +1,6 @@
1dnl Reentrant time functions like localtime_r. 1dnl Reentrant time functions: localtime_r, gmtime_r.
2 2
3dnl Copyright (C) 2003, 2006, 2007, 2008 Free Software Foundation, Inc. 3dnl Copyright (C) 2003, 2006-2010 Free Software Foundation, Inc.
4dnl This file is free software; the Free Software Foundation 4dnl This file is free software; the Free Software Foundation
5dnl gives unlimited permission to copy and/or distribute it, 5dnl gives unlimited permission to copy and/or distribute it,
6dnl with or without modifications, as long as this notice is preserved. 6dnl with or without modifications, as long as this notice is preserved.
@@ -9,29 +9,40 @@ dnl Written by Paul Eggert.
9 9
10AC_DEFUN([gl_TIME_R], 10AC_DEFUN([gl_TIME_R],
11[ 11[
12 dnl Persuade glibc and Solaris <time.h> to declare localtime_r. 12 dnl Persuade glibc and Solaris <time.h> to declare localtime_r.
13 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) 13 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
14 14
15 AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS]) 15 AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
16 AC_REQUIRE([AC_C_RESTRICT]) 16 AC_REQUIRE([AC_C_RESTRICT])
17 17
18 AC_CACHE_CHECK([whether localtime_r is compatible with its POSIX signature], 18 AC_CHECK_FUNCS_ONCE([localtime_r])
19 [gl_cv_time_r_posix], 19 if test $ac_cv_func_localtime_r = yes; then
20 [AC_TRY_COMPILE( 20 AC_CACHE_CHECK([whether localtime_r is compatible with its POSIX signature],
21 [#include <time.h>], 21 [gl_cv_time_r_posix],
22 [/* We don't need to append 'restrict's to the argument types, 22 [AC_COMPILE_IFELSE(
23 even though the POSIX signature has the 'restrict's, 23 [AC_LANG_PROGRAM(
24 since C99 says they can't affect type compatibility. */ 24 [[#include <time.h>]],
25 struct tm * (*ptr) (time_t const *, struct tm *) = localtime_r; 25 [[/* We don't need to append 'restrict's to the argument types,
26 if (ptr) return 0; 26 even though the POSIX signature has the 'restrict's,
27 /* Check the return type is a pointer. On HP-UX 10 it is 'int'. */ 27 since C99 says they can't affect type compatibility. */
28 *localtime_r (0, 0);], 28 struct tm * (*ptr) (time_t const *, struct tm *) = localtime_r;
29 [gl_cv_time_r_posix=yes], 29 if (ptr) return 0;
30 [gl_cv_time_r_posix=no])]) 30 /* Check the return type is a pointer.
31 if test $gl_cv_time_r_posix = yes; then 31 On HP-UX 10 it is 'int'. */
32 REPLACE_LOCALTIME_R=0 32 *localtime_r (0, 0);]])
33 ],
34 [gl_cv_time_r_posix=yes],
35 [gl_cv_time_r_posix=no])
36 ])
37 if test $gl_cv_time_r_posix = yes; then
38 REPLACE_LOCALTIME_R=0
39 else
40 REPLACE_LOCALTIME_R=1
41 fi
33 else 42 else
34 REPLACE_LOCALTIME_R=1 43 HAVE_LOCALTIME_R=0
44 fi
45 if test $HAVE_LOCALTIME_R = 0 || test $REPLACE_LOCALTIME_R = 1; then
35 AC_LIBOBJ([time_r]) 46 AC_LIBOBJ([time_r])
36 gl_PREREQ_TIME_R 47 gl_PREREQ_TIME_R
37 fi 48 fi