diff --git a/conf/distro/include/angstrom.inc b/conf/distro/include/angstrom.inc
index 222db10..21410ef 100644
--- a/conf/distro/include/angstrom.inc
+++ b/conf/distro/include/angstrom.inc
@@ -217,6 +217,7 @@ DISTRO_FEATURES += ' ${@["", "thumb-interwork"][bb.data.getVar('THUMB_INTERWORK'
 
 # Setup our hash policy
 BB_SIGNATURE_HANDLER = "basic"
-BB_HASHTASK_WHITELIST = "(.*-cross$|.*-native$|.*-cross-initial$|.*-cross-intermediate$)"
-BB_HASHBASE_WHITELIST = "TMPDIR FILE PATH PWD"
+BB_HASHTASK_WHITELIST = "(.*-cross$|.*-native$|.*-cross-initial$|.*-cross-intermediate$|^virtual:native:.*|^virtual:nativesdk:.*)"
+BB_HASHBASE_WHITELIST = "TMPDIR FILE PATH PWD BB_TASKHASH BBPATH DL_DIR SSTATE_DIR THISDIR FILESEXTRAPATHS FILE_DIRNAME HOME LOGNAME SHELL TERM USER"
+patch_do_patch[vardepsexclude] = "DATE SRCDATE"