sanity.bbclass: Check TMPDIR doesn't change, error if it does

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@3647 311d38ba-8fff-0310-9ca6-ca027cbcb966

1 files changed, 15 insertions, 1 deletions

diff --git a/meta/classes/sanity.bbclass b/meta/classes/sanity.bbclass
index 957e24e1e1..85a38ba285 100644
--- a/meta/classes/sanity.bbclass
+++ b/meta/classes/sanity.bbclass
@@ -108,7 +108,21 @@ def check_sanity(e):
 
         oes_bb_conf = data.getVar( 'OES_BITBAKE_CONF', e.data, True )
         if not oes_bb_conf:
-                messages = messages + 'You do not include OpenEmbeddeds version of conf/bitbake.conf\n'
+                messages = messages + 'You do not include OpenEmbeddeds version of conf/bitbake.conf. This means your environment is misconfigured, in particular check BBPATH.\n'
+
+        #
+        # Check that TMPDIR hasn't changed location since the last time we were run
+        #
+        tmpdir = data.getVar('TMPDIR', e.data, True)
+        checkfile = os.path.join(tmpdir, "saved_tmpdir")
+        if os.path.exists(checkfile):
+                f = file(checkfile, "r")
+                if (f.read().strip() != tmpdir):
+                        messages = messages + "Error, TMPDIR has changed location. You need to either move it back to %s or rebuild\n" % tmpdir
+        else:
+                f = file(checkfile, "w")
+                f.write(tmpdir)
+        f.close()
 
         if messages != "":
                 raise_sanity_error(messages)