1#serial 17
2
3dnl This macro is intended to be used solely in this file.
4dnl These are the prerequisite macros for GNU's strftime.c replacement.
5AC_DEFUN([_jm_STRFTIME_PREREQS],
6[
7 dnl strftime.c uses localtime_r and the underyling system strftime
8 dnl if they exist.
9 AC_CHECK_FUNCS(localtime_r strftime)
10
11 AC_CHECK_HEADERS(limits.h)
12 AC_CHECK_FUNCS(bcopy tzset mempcpy memcpy memset)
13
14 # This defines (or not) HAVE_TZNAME and HAVE_TM_ZONE.
15 AC_STRUCT_TIMEZONE
16
17 AC_CHECK_FUNCS(mblen mbrlen)
18
19 AC_CHECK_MEMBER([struct tm.tm_gmtoff],
20                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
21                            [Define if struct tm has the tm_gmtoff member.])],
22                 ,
23                 [#include <time.h>])
24])
25
26dnl From Jim Meyering.
27dnl
28AC_DEFUN([jm_FUNC_GNU_STRFTIME],
29[AC_REQUIRE([AC_HEADER_TIME])dnl
30
31 _jm_STRFTIME_PREREQS
32
33 AC_REQUIRE([AC_C_CONST])dnl
34 AC_REQUIRE([AC_HEADER_STDC])dnl
35 AC_CHECK_HEADERS(sys/time.h)
36 AC_DEFINE([my_strftime], [nstrftime],
37   [Define to the name of the strftime replacement function.])
38])
39
40AC_DEFUN([jm_FUNC_STRFTIME],
41[
42  _jm_STRFTIME_PREREQS
43])
44