From: brian avery <avery.brian@gmail.com>
Date: Sun, 19 Mar 2017 17:32:40 +0000 (-0700)
Subject: gen-lockedsig-cache: catch os.link error
X-Git-Tag: lucaceresoli/bug-15201-perf-libtraceevent-missing~21960
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fb9fdd7a74917cdcab039aa3a9a9944b18246fea;p=thirdparty%2Fopenembedded%2Fopenembedded-core-contrib.git

gen-lockedsig-cache: catch os.link error

We do a hard link to speed up sdk creation but if your sstate-cache is
across a file system boundary, this tries and fails. This patch catches
that error and does a copy instead.

Signed-off-by: brian avery <brian.avery@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
---

diff --git a/scripts/gen-lockedsig-cache b/scripts/gen-lockedsig-cache
index 49de74ed9b2..6765891d198 100755
--- a/scripts/gen-lockedsig-cache
+++ b/scripts/gen-lockedsig-cache
@@ -62,7 +62,11 @@ for f in files:
         os.remove(dst)
     if (os.stat(src).st_dev == os.stat(destdir).st_dev):
         print('linking')
-        os.link(src, dst)
+        try:
+            os.link(src, dst)
+        except OSError as e:
+            print('hard linking failed, copying')
+            shutil.copyfile(src, dst)
     else:
         print('copying')
         shutil.copyfile(src, dst)