m4/strftime.m4

#serial 17

dnl This macro is intended to be used solely in this file.
dnl These are the prerequisite macros for GNU's strftime.c replacement.
AC_DEFUN([_jm_STRFTIME_PREREQS],
[
 dnl strftime.c uses localtime_r and the underyling system strftime
 dnl if they exist.
 AC_CHECK_FUNCS(localtime_r strftime)

 AC_CHECK_HEADERS(limits.h)
 AC_CHECK_FUNCS(bcopy tzset mempcpy memcpy memset)

 # This defines (or not) HAVE_TZNAME and HAVE_TM_ZONE.
 AC_STRUCT_TIMEZONE

 AC_CHECK_FUNCS(mblen mbrlen)

 AC_CHECK_MEMBER([struct tm.tm_gmtoff],
                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
                            [Define if struct tm has the tm_gmtoff member.])],
                 ,
                 [#include <time.h>])
])

dnl From Jim Meyering.
dnl
AC_DEFUN([jm_FUNC_GNU_STRFTIME],
[AC_REQUIRE([AC_HEADER_TIME])dnl

 _jm_STRFTIME_PREREQS

 AC_REQUIRE([AC_C_CONST])dnl
 AC_REQUIRE([AC_HEADER_STDC])dnl
 AC_CHECK_HEADERS(sys/time.h)
 AC_DEFINE([my_strftime], [nstrftime],
   [Define to the name of the strftime replacement function.])
])

AC_DEFUN([jm_FUNC_STRFTIME],
[
  _jm_STRFTIME_PREREQS
])
Quote the first argument in each use of AC_DEFUN. 2001-08-12 13:26:00 +00:00			`#serial 17`
(jm_STRFTIME_PREREQS): Check for localtime_r. (jm_FUNC_GNU_STRFTIME): Use new macro. (jm_FUNC_STRFTIME): New macro. Likewise. 1997-11-10 03:52:47 +00:00
Check for %F format. Add comments. 1997-11-15 13:17:15 +00:00			`dnl This macro is intended to be used solely in this file.`
			`dnl These are the prerequisite macros for GNU's strftime.c replacement.`
Quote the first argument in each use of AC_DEFUN. 2001-08-12 13:26:00 +00:00			`AC_DEFUN([_jm_STRFTIME_PREREQS],`
(jm_STRFTIME_PREREQS): Check for localtime_r. (jm_FUNC_GNU_STRFTIME): Use new macro. (jm_FUNC_STRFTIME): New macro. Likewise. 1997-11-10 03:52:47 +00:00			`[`
(_jm_STRFTIME_PREREQS): Check for strftime, since strftime.c uses HAVE_STRFTIME to decide whether to use the underlying strftime. 2000-04-03 07:31:59 +00:00			`dnl strftime.c uses localtime_r and the underyling system strftime`
			`dnl if they exist.`
			`AC_CHECK_FUNCS(localtime_r strftime)`
Add checks for most of the cpp macros tested in GNU's strftime.c. Prompted by a patch from Paul Eggert. 1999-12-09 15:54:20 +00:00
			`AC_CHECK_HEADERS(limits.h)`
			`AC_CHECK_FUNCS(bcopy tzset mempcpy memcpy memset)`

			`# This defines (or not) HAVE_TZNAME and HAVE_TM_ZONE.`
			`AC_STRUCT_TIMEZONE`

			`AC_CHECK_FUNCS(mblen mbrlen)`

Use []-quoted list in AC_CHECK_MEMBERS, now that autoconf requires that. 2000-05-24 07:50:05 +00:00			`AC_CHECK_MEMBER([struct tm.tm_gmtoff],`
(_jm_STRFTIME_PREREQS): Use 3-arg form of AC_DEFINE for HAVE_TM_GMTOFF. 1999-12-10 14:35:38 +00:00			`[AC_DEFINE(HAVE_TM_GMTOFF, 1,`
			`[Define if struct tm has the tm_gmtoff member.])],`
Add checks for most of the cpp macros tested in GNU's strftime.c. Prompted by a patch from Paul Eggert. 1999-12-09 15:54:20 +00:00			`,`
Remove kludge, now that I'm using the fixed autoconf-2.14a-1999-12-20. 1999-12-20 10:37:27 +00:00			`[#include <time.h>])`
(jm_STRFTIME_PREREQS): Check for localtime_r. (jm_FUNC_GNU_STRFTIME): Use new macro. (jm_FUNC_STRFTIME): New macro. Likewise. 1997-11-10 03:52:47 +00:00			`])`
broken out of ../acinclude.m4 1996-12-21 01:50:50 +00:00
Check for %F format. Add comments. 1997-11-15 13:17:15 +00:00			`dnl From Jim Meyering.`
			`dnl`
Quote the first argument in each use of AC_DEFUN. 2001-08-12 13:26:00 +00:00			`AC_DEFUN([jm_FUNC_GNU_STRFTIME],`
broken out of ../acinclude.m4 1996-12-21 01:50:50 +00:00			`[AC_REQUIRE([AC_HEADER_TIME])dnl`
(jm_STRFTIME_PREREQS): Check for localtime_r. (jm_FUNC_GNU_STRFTIME): Use new macro. (jm_FUNC_STRFTIME): New macro. Likewise. 1997-11-10 03:52:47 +00:00
Check for %F format. Add comments. 1997-11-15 13:17:15 +00:00			`_jm_STRFTIME_PREREQS`
(jm_STRFTIME_PREREQS): Check for localtime_r. (jm_FUNC_GNU_STRFTIME): Use new macro. (jm_FUNC_STRFTIME): New macro. Likewise. 1997-11-10 03:52:47 +00:00
broken out of ../acinclude.m4 1996-12-21 01:50:50 +00:00			`AC_REQUIRE([AC_C_CONST])dnl`
			`AC_REQUIRE([AC_HEADER_STDC])dnl`
			`AC_CHECK_HEADERS(sys/time.h)`
(jm_FUNC_GNU_STRFTIME): Don't bother to check library strftime, since we'll be using our own my_strftime function anyway. Define my_strftime instead of strftime. 2001-05-20 20:38:25 +00:00			`AC_DEFINE([my_strftime], [nstrftime],`
			`[Define to the name of the strftime replacement function.])`
broken out of ../acinclude.m4 1996-12-21 01:50:50 +00:00			`])`
(jm_STRFTIME_PREREQS): Check for localtime_r. (jm_FUNC_GNU_STRFTIME): Use new macro. (jm_FUNC_STRFTIME): New macro. Likewise. 1997-11-10 03:52:47 +00:00
Quote the first argument in each use of AC_DEFUN. 2001-08-12 13:26:00 +00:00			`AC_DEFUN([jm_FUNC_STRFTIME],`
(jm_STRFTIME_PREREQS): Check for localtime_r. (jm_FUNC_GNU_STRFTIME): Use new macro. (jm_FUNC_STRFTIME): New macro. Likewise. 1997-11-10 03:52:47 +00:00			`[`
Check for %F format. Add comments. 1997-11-15 13:17:15 +00:00			`_jm_STRFTIME_PREREQS`
(jm_STRFTIME_PREREQS): Check for localtime_r. (jm_FUNC_GNU_STRFTIME): Use new macro. (jm_FUNC_STRFTIME): New macro. Likewise. 1997-11-10 03:52:47 +00:00			`])`