  
 diff --git a/src/http/ngx_http_probe.h b/src/http/ngx_http_probe.h
 new file mode 100644
-index 0000000..1538560
+index 0000000..0727968
 --- /dev/null
 +++ b/src/http/ngx_http_probe.h
-@@ -0,0 +1,49 @@
+@@ -0,0 +1,59 @@
 +#ifndef _NGX_HTTP_PROBE_H_INCLUDED_
 +#define _NGX_HTTP_PROBE_H_INCLUDED_
 +
++
++#include <ngx_config.h>
++#include <ngx_core.h>
++#include <ngx_http.h>
++
++
 +#if (NGX_DTRACE)
 +
 +#include <ngx_dtrace_provider.h>

+#define ngx_http_probe_subrequest_done(r)
+#define ngx_http_probe_subrequest_post_start(r, rc)
+#define ngx_http_probe_subrequest_post_done(r, rc)
+
+#endif /* NGX_DTRACE */
+

   --error-log-path=PATH              set error log pathname
   --pid-path=PATH                    set nginx.pid pathname
   --lock-path=PATH                   set nginx.lock pathname
+  --tapset-prefix=PATH               set systemtap tapset directory prefix
+  --stap-nginx-path=PATH             set stap-nginx pathname
 
   --user=USER                        set non-privileged user for
