+
+dnl is time_t long or long long ?
+AC_DEFINE([TIME_T_IS_LONG], [], [time_t is long])
+AC_DEFINE([TIME_T_IS_LONG_LONG], [], [time_t is long long])
+AC_MSG_CHECKING([the type of time_t])
+AC_RUN_IFELSE(
+ AC_LANG_PROGRAM(
+ [[#include <time.h>]],
+ [[if (sizeof(long) != sizeof(time_t)) return 1; ]]
+ ),
+ [ AC_MSG_RESULT([time_t is long])
+ AC_DEFINE([TIME_T_IS_LONG])
+ ],
+ [ AC_RUN_IFELSE(
+ AC_LANG_PROGRAM(
+ [[#include <time.h>]],
+ [[if (sizeof(long long) != sizeof(time_t)) return 1; ]]
+ ),
+ [
+ AC_MSG_RESULT([time_t is long long])
+ AC_DEFINE([TIME_T_IS_LONG_LONG])
+ ],
+ [AC_MSG_ERROR([can not figure type of time_t])]
+ )
+ ]
+)
+