From 37ef88a6020f71171bd4e6daa0cf2121bd015102 Mon Sep 17 00:00:00 2001
From: Ed <ed-xmos@users.noreply.github.com>
Date: Mon, 29 Apr 2019 11:04:20 +0100
Subject: [PATCH] Fix build error when USB not enabled

#ifdeffing the whole source as is the way in lib_xua
---
 lib_xua/src/core/endpoint0/xua_ep0_wrapper.xc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib_xua/src/core/endpoint0/xua_ep0_wrapper.xc b/lib_xua/src/core/endpoint0/xua_ep0_wrapper.xc
index 306fc26a..092345a0 100644
--- a/lib_xua/src/core/endpoint0/xua_ep0_wrapper.xc
+++ b/lib_xua/src/core/endpoint0/xua_ep0_wrapper.xc
@@ -2,6 +2,8 @@
 #include <safestring.h>
 #include <stddef.h>
 #include "xua.h"
+
+#if XUA_USB_EN
 #include "xua_ep0_wrapper.h"
 
 #define DEBUG_UNIT EP0_WRAPPER
@@ -46,3 +48,4 @@ void XUA_Endpoint0_select(chanend c_ep0_out, chanend c_ep0_in, client ep0_contro
     }
   }
 }
+#endif