On 02/06/2018 15:07, Magnus Ihse Bursie wrote:
It is probably relatively trivial to add a configure option to select just the "JRE
modules" when building, rather than all modules. If we add such an option, it would
still be possible to build a traditional JRE, not just at the same time as building the
full JDK. Doing Erik's change as suggested here, combined with such additional
functionality would allow us to remove a lot of old cruft from the build system, while
still allowing distributors to build a JRE. I'd recommend doing something like this,
rather than to delay this patch to post-JDK11.
Removing old cruft is good. Also not building the jre image by default
might reduce build times a little bit, a boon for those doing "make
images" but never using the jre image (as the tests are run on the jdk
image, not the jre image).
I don't have an opinion on whether configure option or a make target is
the right approach. It might be that those consuming the jre image today
are using the bundles target, a target that I wouldn't expect most
developers will use when working on OpenJDK. Part of the socializing of
this topic might be to get a better handle on what downstream projects
and packagers are doing with the jre image (beyond creating install
bundles for specific distros).
-Alan
