On 2017-08-31 14:47, David Holmes wrote:
Hi Goetz,
On 31/08/2017 10:29 PM, Lindenmaier, Goetz wrote:
Hi,
Tests for class data sharing (cds) are enabled if @requires vm.cds is
true.
The property vm.cds depends on the preprocessor macro ENABLE_CDS.
... but you mean INCLUDE_CDS. :-)
This can not yet be switched by configure. It's only disabled
automatically
for the minimal build.
This change introduces enable-cds with default true, which only takes
effect
in the non-minimal build. If disabled, generate-classlist is
disabled, too.
Please review this change. I please need a sponsor.
http://cr.openjdk.java.net/~goetz/wr17/8186978-disableCDS/webrev.01/index.html
I'll let the build guys comment in detail, but the structure for this
doesn't quite look right to me. I don't understand why you have in
spec.gmk.in:
+ ENABLE_CDS:=@ENABLE_CDS@
when in the hotspot build CDS is controlled via the feature setting:
ifneq ($(call check-jvm-feature, cds), true)
which you are already handling. ??
Agree, the ENABLE_CDS variable is only used internally in the configure
script and need not/should not be exported in spec.gmk.in. As David
says, the test ($(call check-jvm-feature, cds), true) is enough to
determine if to send the -DINCLUDE_CDS to the compiler.
Just remove the changes to spec.gmk.in, and I'm ok with the patch.
/Magnus
Thanks,
David
Best regards,
Goetz.
