RFR: JDK-8201483 Make it possible to disable JVM features

Erik Joelsson erik.joelsson at oracle.com
Thu Apr 12 15:38:37 UTC 2018


Looks good. Especially adding those # header lines in basics.m4!

I guess a future followup now is to get rid of the individual 
enable/disable args that are now redundant.

/Erik


On 2018-04-12 04:39, Magnus Ihse Bursie wrote:
> It is currently easy to add new JVM features to the JVM build, but it 
> is not possible to remove features.
>
> With this change, features can be both added or removed from the 
> default set. They are added using --with-jvm-features=f1,f2 and 
> removed using --with-jvm-features=-f1,-f2. The syntax can be combined, 
> so --with-jvm-features=dtrace,-nmt will enable dtrace but disable 
> native memory tracking.
>
> I also included some additional code cleanup and fixes, such as 
> printing the JVM feature set at the summary.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8201483
> WebRev: 
> http://cr.openjdk.java.net/~ihse/JDK-8201483-disable-JVM-features/webrev.01
>



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