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authorJim Meyering <jim@meyering.net>1997-04-07 00:44:33 +0000
committerJim Meyering <jim@meyering.net>1997-04-07 00:44:33 +0000
commit58a9554b17074bc338fe05e740e508f4e95669e9 (patch)
tree1a7b3c52e2d42708afe4fc695a5cb02563c5c483 /m4
parentca70b66b7223a30031a64979d5dc9012d46f97e9 (diff)
downloadcoreutils-58a9554b17074bc338fe05e740e508f4e95669e9.tar.xz
.
Diffstat (limited to 'm4')
-rw-r--r--m4/mktime.m475
1 files changed, 0 insertions, 75 deletions
diff --git a/m4/mktime.m4 b/m4/mktime.m4
deleted file mode 100644
index 4be030aa1..000000000
--- a/m4/mktime.m4
+++ /dev/null
@@ -1,75 +0,0 @@
-#serial 2
-
-dnl From Jim Meyering.
-dnl FIXME: this should migrate into libit.
-
-AC_DEFUN(AM_FUNC_MKTIME,
-[AC_REQUIRE([AC_HEADER_TIME])dnl
- AC_CHECK_HEADERS(sys/time.h)
- AC_CACHE_CHECK([for working mktime], am_cv_func_working_mktime,
- [AC_TRY_RUN(
-changequote(<<, >>)dnl
-<</* Test program from Paul Eggert (eggert@twinsun.com)
- and Tony Leneis (tony@plaza.ds.adp.com). */
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-static time_t time_t_max;
-
-/* Values we'll use to set the TZ environment variable. */
-static const char *const tz_strings[] = {
- NULL, "GMT0", "JST-9", "EST+3EDT+2,M10.1.0/00:00:00,M2.3.0/00:00:00"
-};
-#define N_STRINGS (sizeof (tz_strings) / sizeof (tz_strings[0]))
-
-static void
-mktime_test (now)
- time_t now;
-{
- if (mktime (localtime (&now)) != now)
- exit (1);
- now = time_t_max - now;
- if (mktime (localtime (&now)) != now)
- exit (1);
-}
-
-int
-main ()
-{
- time_t t, delta;
- int i;
-
- for (time_t_max = 1; 0 < time_t_max; time_t_max *= 2)
- continue;
- time_t_max--;
- delta = time_t_max / 997; /* a suitable prime number */
- for (i = 0; i < N_STRINGS; i++)
- {
- if (tz_strings[i])
- putenv (tz_strings[i]);
-
- for (t = 0; t <= time_t_max - delta; t += delta)
- mktime_test (t);
- mktime_test ((time_t) 60 * 60);
- mktime_test ((time_t) 60 * 60 * 24);
- }
- exit (0);
-}
- >>,
-changequote([, ])dnl
- am_cv_func_working_mktime=yes, am_cv_func_working_mktime=no,
- dnl When crosscompiling, assume mktime is missing or broken.
- am_cv_func_working_mktime=no)
- ])
- if test $am_cv_func_working_mktime = no; then
- LIBOBJS="$LIBOBJS mktime.o"
- fi
-])