#include "monitor.h"
#include "vars.h"
#include "os.h"
+#ifdef LISP_FEATURE_GENCGC
#include "gencgc-alloc-region.h" /* genesis/thread.h needs this */
+#endif
#include "genesis/static-symbols.h"
#include "thread.h" /* genesis/primitive-objects.h needs this */
#include "genesis/primitive-objects.h"