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

diff --git a/meta/classes/sanity.bbclass b/meta/classes/sanity.bbclass
index 957e24e..85a38ba 100644 (file)
--- 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)