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https://issues.apache.org/jira/browse/THRIFT-4532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16416467#comment-16416467
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James E. King, III commented on THRIFT-4532:
--------------------------------------------

Yes, I agree this would be useful.  I assume the solution involves writing to 
temporary files, then checksumming both, and if not different destroying the 
temporary?

> Avoid updating Thrift compiler generated code if the output has not changed
> ---------------------------------------------------------------------------
>
>                 Key: THRIFT-4532
>                 URL: https://issues.apache.org/jira/browse/THRIFT-4532
>             Project: Thrift
>          Issue Type: Improvement
>          Components: Compiler (General)
>    Affects Versions: 0.11.0
>            Reporter: Buğra Gedik
>            Priority: Minor
>             Fix For: 0.12.0
>
>
> We would like to contribute an improvement to the Thrift compiler that would 
> avoid regenerating target file(s) if they are going to be exactly the same as 
> the ones already present in the same place. This will help when running the 
> Thrift compiler in our build, especially in recursive mode.



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