Bug 1775

Summary: [Hob2] Use configuration's key/value hash to validate parsing caches
Product: [Build System, Metadata & Runtime] Hob Reporter: Dongxiao Xu <dongxiao.xu>
Component: hobAssignee: Dongxiao Xu <dongxiao.xu>
Status: RESOLVED FIXED QA Contact:
Severity: enhancement    
Priority: Low CC: jessica.zhang, jiajun.xu, poky.bs.watcher, poky.watcher, richard.purdie, shane.wang
Version: unspecified   
Target Milestone: 1.2 M2   
Hardware: x86   
OS: Multiple   
Whiteboard: (P1) (QA Testing Completed) (Patch Review and Revise) Development (100%)
OS type for building Yocto: --- Type of Regression: ---
Verified: Documentation change: ---

Description Dongxiao Xu 2011-11-21 00:59:52 UTC
Currently bitbake uses time stamp to judge whether a cache file is valid. This is problematic if dynamically setting configuration variables from GUI frontend. 

It is better to implement a hash value based judging mechanism to validate/invalidate caches.