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| author | Jim Meyering <jim@meyering.net> | 1996-12-21 01:56:50 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 1996-12-21 01:56:50 +0000 |
| commit | 58dfd6b4420c1d0d9136dfa98829ccd17853b064 (patch) | |
| tree | b10ebcf306455a04b25fd831347552f3736adec1 /m4/mktime.m4 | |
| parent | 5fc47138b1f01f5ec8d449585bd19abea4da7960 (diff) | |
| download | coreutils-58dfd6b4420c1d0d9136dfa98829ccd17853b064.tar.xz | |
copied from automake-1.1l
Diffstat (limited to 'm4/mktime.m4')
| -rw-r--r-- | m4/mktime.m4 | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/m4/mktime.m4 b/m4/mktime.m4 new file mode 100644 index 000000000..3f03b1e0c --- /dev/null +++ b/m4/mktime.m4 @@ -0,0 +1,34 @@ +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([/* Test program from 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 +int +main () +{ + time_t today = time (0); + struct tm *local = localtime (&today); + exit (mktime (local) != today); +} + ], + 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 +]) |