From ba6c58a33cfdbdc6faaaeeb8d90bcfb5437573dc Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Sat, 17 Sep 2011 12:15:41 +1000
Subject: [PATCH] build: cope with more depths for libraries

this finds the libraries at more levels up from the current directory
---
 libraries/AP_Common/Arduino.mk | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libraries/AP_Common/Arduino.mk b/libraries/AP_Common/Arduino.mk
index be6928f17c5..3d19e125935 100644
--- a/libraries/AP_Common/Arduino.mk
+++ b/libraries/AP_Common/Arduino.mk
@@ -60,6 +60,12 @@ endif
 #
 ifeq ($(SKETCHBOOK),)
   SKETCHBOOK		:=	$(shell cd $(SRCROOT)/.. && pwd)
+  ifeq ($(wildcard $(SKETCHBOOK)/libraries),)
+    SKETCHBOOK		:=	$(shell cd $(SRCROOT)/../.. && pwd)
+  endif
+  ifeq ($(wildcard $(SKETCHBOOK)/libraries),)
+    SKETCHBOOK		:=	$(shell cd $(SRCROOT)/../../.. && pwd)
+  endif
   ifeq ($(wildcard $(SKETCHBOOK)/libraries),)
     SKETCHBOOK		:=	$(shell cd $(SRCROOT)/../../../.. && pwd)
   endif