+dnl Some systems have utime.h but don't declare the struct anyplace.
+AC_COMPILE_CHECK(struct utimbuf, [#ifdef TIME_WITH_SYS_TIME
+#include <sys/time.h>
+#include <time.h>
+#else
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#else
+#include <time.h>
+#endif
+#endif
+#ifdef HAVE_UTIME_H
+#include <utime.h>
+#endif], [static struct utimbuf x; x.actime = x.modtime;],
+ AC_DEFINE(HAVE_STRUCT_UTIMBUF))