+AC_CACHE_CHECK(for ut_type in struct utmp, nmh_cv_struct_utmp_ut_type,
+[AC_TRY_COMPILE(
+[#include <utmp.h>],
+[struct utmp temputmp; temputmp.ut_type = 0;],
+ nmh_cv_struct_utmp_ut_type=yes, nmh_cv_struct_utmp_ut_type=no)])
+if test $nmh_cv_struct_utmp_ut_type = yes; then
+ AC_DEFINE(HAVE_UTMP_UT_TYPE)
+fi
+