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annotate m4/strftime.m4 @ 3258:def59456e348

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(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.
author Jim Meyering <jim@meyering.net>
date Sun, 20 May 2001 20:38:25 +0000
parents d4ea46c69b9f
children 9e253b345ac2
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def59456e348 (jm_FUNC_GNU_STRFTIME):
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1 #serial 16
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3 dnl This macro is intended to be used solely in this file.
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4 dnl These are the prerequisite macros for GNU's strftime.c replacement.
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5 AC_DEFUN(_jm_STRFTIME_PREREQS,
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6 [
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7 dnl strftime.c uses localtime_r and the underyling system strftime
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8 dnl if they exist.
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9 AC_CHECK_FUNCS(localtime_r strftime)
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10
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11 AC_CHECK_HEADERS(limits.h)
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12 AC_CHECK_FUNCS(bcopy tzset mempcpy memcpy memset)
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13
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14 # This defines (or not) HAVE_TZNAME and HAVE_TM_ZONE.
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15 AC_STRUCT_TIMEZONE
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16
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17 AC_CHECK_FUNCS(mblen mbrlen)
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18
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19 AC_CHECK_MEMBER([struct tm.tm_gmtoff],
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20 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
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21 [Define if struct tm has the tm_gmtoff member.])],
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22 ,
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23 [#include <time.h>])
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24 ])
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25
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26 dnl From Jim Meyering.
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27 dnl
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28 AC_DEFUN(jm_FUNC_GNU_STRFTIME,
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29 [AC_REQUIRE([AC_HEADER_TIME])dnl
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31 _jm_STRFTIME_PREREQS
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32
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33 AC_REQUIRE([AC_C_CONST])dnl
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34 AC_REQUIRE([AC_HEADER_STDC])dnl
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35 AC_CHECK_HEADERS(sys/time.h)
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36 AC_LIBOBJ(strftime)
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37 AC_DEFINE([my_strftime], [nstrftime],
def59456e348 (jm_FUNC_GNU_STRFTIME):
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38 [Define to the name of the strftime replacement function.])
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39 ])
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40
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41 AC_DEFUN(jm_FUNC_STRFTIME,
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42 [
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43 _jm_STRFTIME_PREREQS
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44 AC_REPLACE_FUNCS(strftime)
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45 ])