From 93db4a4a5bdb7ecbc16b00b0e351e7df319bdf40 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Mon, 24 Jun 2013 13:06:11 +1000
Subject: [PATCH] autotest: consider lack of symlinks to be a soft error

some people use VMWare shared drives, which don't do hard links
---
 Tools/autotest/apmrover2.py  |  5 ++++-
 Tools/autotest/arducopter.py | 10 ++++++++--
 Tools/autotest/arduplane.py  |  5 ++++-
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/Tools/autotest/apmrover2.py b/Tools/autotest/apmrover2.py
index 11c80ce5df..2f10a1c600 100644
--- a/Tools/autotest/apmrover2.py
+++ b/Tools/autotest/apmrover2.py
@@ -114,7 +114,10 @@ def drive_APMrover2(viewerip=None, map=False):
     print("buildlog=%s" % buildlog)
     if os.path.exists(buildlog):
         os.unlink(buildlog)
-    os.link(logfile, buildlog)
+    try:
+        os.link(logfile, buildlog)
+    except Exception:
+        pass
 
     mavproxy.expect('Received [0-9]+ parameters')
 
diff --git a/Tools/autotest/arducopter.py b/Tools/autotest/arducopter.py
index 3c747ec341..059f1bbf09 100644
--- a/Tools/autotest/arducopter.py
+++ b/Tools/autotest/arducopter.py
@@ -583,7 +583,10 @@ def fly_ArduCopter(viewerip=None, map=False):
     print("buildlog=%s" % buildlog)
     if os.path.exists(buildlog):
         os.unlink(buildlog)
-    os.link(logfile, buildlog)
+    try:
+        os.link(logfile, buildlog)
+    except Exception:
+        pass
 
     # the received parameters can come before or after the ready to fly message
     mavproxy.expect(['Received [0-9]+ parameters', 'Ready to FLY'])
@@ -867,7 +870,10 @@ def fly_CopterAVC(viewerip=None, map=False):
     print("buildlog=%s" % buildlog)
     if os.path.exists(buildlog):
         os.unlink(buildlog)
-    os.link(logfile, buildlog)
+    try:
+        os.link(logfile, buildlog)
+    except Exception:
+        pass
 
     # the received parameters can come before or after the ready to fly message
     mavproxy.expect(['Received [0-9]+ parameters', 'Ready to FLY'])
diff --git a/Tools/autotest/arduplane.py b/Tools/autotest/arduplane.py
index 5b199ead6c..e9c1b47867 100644
--- a/Tools/autotest/arduplane.py
+++ b/Tools/autotest/arduplane.py
@@ -264,7 +264,10 @@ def fly_ArduPlane(viewerip=None, map=False):
     print("buildlog=%s" % buildlog)
     if os.path.exists(buildlog):
         os.unlink(buildlog)
-    os.link(logfile, buildlog)
+    try:
+        os.link(logfile, buildlog)
+    except Exception:
+        pass
 
     mavproxy.expect('Received [0-9]+ parameters')