On 2018-04-12 09:53, Magnus Ihse Bursie wrote:
12 apr. 2018 kl. 17:38 skrev Erik Joelsson <erik.joels...@oracle.com>:

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

I'm actually thinking about splitting out a utils.m4 from basics.m4, for these 
kinds of helper functions. Sounds ok?
Yes, makes sense.

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



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 

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

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