dnl See whether we have struct timezone dnl LIBU77_HAVE_STRUCT_TIMEZONE AC_DEFUN(LIBU77_HAVE_STRUCT_TIMEZONE, [AC_MSG_CHECKING([whether struct timezone exists]) AC_CACHE_VAL(libu77_cv_have_struct_timezone, [AC_TRY_COMPILE([#include <sys/time.h>], [struct timezone tz;], libu77_ac_have_struct_timezone=yes, libu77_ac_have_struct_timezone=no)]) if test $libu77_ac_have_struct_timezone = yes; then AC_MSG_RESULT(yes) AC_DEFINE_UNQUOTED(HAVE_STRUCT_TIMEZONE) else AC_MSG_RESULT(no) fi ])dnl