Version the build configuration directory

The addition of BBLAYERS changes the build/conf directory to be incompatible
with the "old way" in the Purple release.

As such things are likely to occur in future we should bersion the build/conf
directory through local.conf

Signed-off-by: Joshua Lock <josh@linux.intel.com>

diff --git a/build/conf/local.conf.sample b/build/conf/local.conf.sample
index 959a3b9a3e857b4f9cdbbba44bea707e9b452b62..6285821d520b53c4cf2d3702fa526a827f7b7659 100644 (file)
--- a/build/conf/local.conf.sample
+++ b/build/conf/local.conf.sample
@@ -1,3 +1,6 @@
+# CONF_VERSION is increased each time build/conf/ changes incompatibly
+CONF_VERSION = "1"
+
 # Where to cache the files Poky downloads
 DL_DIR ?= "${OEROOT}/sources"
 # Where to cache Poky's built staging output