#endif
extern size_t dynamic_space_size;
+extern size_t thread_control_stack_size;
#ifdef LISP_FEATURE_WIN32
#define ENVIRON _environ
#endif
extern char **ENVIRON;
-#if defined(LISP_FEATURE_SB_THREAD)
+#if defined(LISP_FEATURE_SB_THREAD) && !defined(LISP_FEATURE_GCC_TLS)
extern pthread_key_t specials;
#endif