RFR: 8277762: Allow configuration of HOTSPOT_BUILD_USER

[Erik Joelsson]

On Wed, 24 Nov 2021 18:42:35 GMT, Andrew Leonard <aleonard at openjdk.org> wrote:

>> make/autoconf/basic.m4 line 99:
>> 
>>> 97: 
>>> 98:   # Setup username (for use in adhoc version strings etc)
>>> 99:   AC_ARG_WITH([build-user], [AS_HELP_STRING([--with-build-user],
>> 
>> This variable is currently initiated in a rather weird location given what it's used for. As it used to be a one liner, it didn't seem worth the effort to move it to a more suitable location, but when expanding it with a --with flag I think we should also move this to jdk-version.m4, which is the only place where it's currently used. I think it makes sense to treat this as part of the version variables as that's what it's used for.
>
> it's also used in make/hotspot/lib/CompileJvm.gmk, but agree moving to jdk-versions.m4 makes sense

Right, I meant the only place it's used within configure.

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