#ifdef GUILE_PTHREAD_COMPAT
# include <pthread.h>
-
-# define GC_THREADS 1
-# include <gc/gc.h>
#endif
+#include "libguile/boehm-gc.h"
+
/* This file is included by threads.h, which, in turn, is included by
libguile.h while coop-threads.h only is included by
coop-threads.c. */