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35 lines
846 B
Plaintext
35 lines
846 B
Plaintext
dnl From Jim Meyering.
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dnl FIXME: this should migrate into libit.
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AC_DEFUN(AM_FUNC_MKTIME,
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[AC_REQUIRE([AC_HEADER_TIME])dnl
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AC_CHECK_HEADERS(sys/time.h)
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AC_CACHE_CHECK([for working mktime], am_cv_func_working_mktime,
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[AC_TRY_RUN([/* Test program from Tony Leneis (tony@plaza.ds.adp.com). */
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#if TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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#else
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# if HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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#endif
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int
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main ()
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{
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time_t today = time (0);
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struct tm *local = localtime (&today);
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exit (mktime (local) != today);
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}
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],
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am_cv_func_working_mktime=yes, am_cv_func_working_mktime=no,
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dnl When crosscompiling, assume mktime is missing or broken.
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am_cv_func_working_mktime=no)
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])
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if test $am_cv_func_working_mktime = no; then
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LIBOBJS="$LIBOBJS mktime.o"
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fi
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])
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