externalsrc: Set STAMPCLEAN to match STAMP

Only the last stamp file should be kept, but unless STAMPCLEAN matches
files generated using STAMP old stamp files may linger.  This may
cause false positives for skipping tasks.

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

diff --git a/meta/classes/externalsrc.bbclass b/meta/classes/externalsrc.bbclass
index e115a474b8db1fd65b9e11a12403d9b367695f3a..eec5e615648b8e127a1d11657157ef4ef2196bb6 100644 (file)
--- a/meta/classes/externalsrc.bbclass
+++ b/meta/classes/externalsrc.bbclass
@@ -116,6 +116,7 @@ python () {
             configstamp = '${TMPDIR}/work-shared/${PN}/${EXTENDPE}${PV}-${PR}/configure.sstate'
             d.setVar('CONFIGURESTAMPFILE', configstamp)
             d.setVar('STAMP', '${STAMPS_DIR}/work-shared/${PN}/${EXTENDPE}${PV}-${PR}')
+            d.setVar('STAMPCLEAN', '${STAMPS_DIR}/work-shared/${PN}/*-*')
 }
 
 python externalsrc_configure_prefunc() {