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| 1 | #serial 17
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| 2 |
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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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| 30 |
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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_DEFINE([my_strftime], [nstrftime],
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| 37 | [Define to the name of the strftime replacement function.])
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| 38 | ])
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| 39 |
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| 40 | AC_DEFUN([jm_FUNC_STRFTIME],
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| 41 | [
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| 42 | _jm_STRFTIME_PREREQS
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| 43 | ])
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