#include <time.h>
-#ifdef HAVE_GETRUSAGE
+#if defined (HAVE_GETRUSAGE) && defined (HAVE_SYS_RESOURCE_H)
#include <sys/time.h>
#include <sys/resource.h>
#endif
long
get_run_time ()
{
-#ifdef HAVE_GETRUSAGE
+#if defined (HAVE_GETRUSAGE) && defined (HAVE_SYS_RESOURCE_H)
struct rusage rusage;
getrusage (0, &rusage);