tree 22c653eb898431b347c4716a98dd8c3f7ec706e7
parent 37e5cd656db059c9b7f506aacd7ca0044f0b2388
author jwang36 <jwang36@6f19259b-4bc3-4df7-8a09-765794883524> 1158815518 +0000
committer jwang36 <jwang36@6f19259b-4bc3-4df7-8a09-765794883524> 1158815518 +0000

1) Add FileTimeStamp class to centralize the cache mechanism for file time stamp check, and changed related classes
2) Fixed the FlashMapTask dependency issue
3) Fixed empty target issue in OnDenpendency class

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1584 6f19259b-4bc3-4df7-8a09-765794883524