bitbake.conf: Create a new filter variable BB_HASHCONFIG_WHITELIST

Create a new filter variable BB_HASHCONFIG_WHITELIST to filter
variables for calculating cache's hash value.

Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 7d0e0d84a9dd41a56a6e5a4cc00dcc28162e3fce..91aa756f8c4cbc2c2e04a80b6c58a9bbe63ebd54 100644 (file)
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -737,6 +737,7 @@ BB_CONSOLELOG ?= "${TMPDIR}/cooker.log.${DATETIME}"
 # Setup our default hash policy
 BB_SIGNATURE_HANDLER ?= "OEBasic"
 BB_HASHBASE_WHITELIST ?= "TMPDIR FILE PATH PWD BB_TASKHASH BBPATH DL_DIR SSTATE_DIR THISDIR FILESEXTRAPATHS FILE_DIRNAME HOME LOGNAME SHELL TERM USER FILESPATH STAGING_DIR_HOST STAGING_DIR_TARGET COREBASE PRSERV_HOST PRSERV_PORT PRSERV_DUMPDIR PRSERV_DUMPFILE PRSERV_LOCKDOWN"
+BB_HASHCONFIG_WHITELIST ?= "${BB_HASHBASE_WHITELIST} DATE TIME"
 
 MLPREFIX ??= ""
 MULTILIB_VARIANTS ??= ""