RFR: 8277762: Allow configuration of HOTSPOT_BUILD_USER [v2]

[Andrew Leonard]

On Wed, 1 Dec 2021 15:22:09 GMT, Andrew Leonard <aleonard at openjdk.org> wrote:

>> To better allow "reproducible builds", a new configure parameter is added to set the USERNAME build variable, rather than always using the current user:
>>     --with-build-user=<username> 
>> HOTSPOT_BUILD_USER is then set to a reproducible USERNAME if required.
>> 
>> Signed-off-by: Andrew Leonard <anleonar at redhat.com>
>
> Andrew Leonard has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:
> 
>  - 8277762: Allow configuration of HOTSPOT_BUILD_USER
>    
>    Signed-off-by: Andrew Leonard <anleonar at redhat.com>
>  - Merge branch 'master' of https://github.com/openjdk/jdk into builduser
>  - 8277762: Allow configuration of HOTSPOT_BUILD_USER
>    
>    Signed-off-by: Andrew Leonard <anleonar at redhat.com>
>  - 8277762: Allow configuration of HOTSPOT_BUILD_USER
>    
>    Signed-off-by: Andrew Leonard <anleonar at redhat.com>
>  - 8277762: Allow configuration of HOTSPOT_BUILD_USER
>    
>    Signed-off-by: Andrew Leonard <anleonar at redhat.com>

@erikj79 ready for review again please
thanks

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PR: https://git.openjdk.java.net/jdk/pull/6542