default version

[Tommy Pham]

On Wed, Mar 18, 2020, 11:16 AM Jonathan Chen <jonc at chen.org.nz> wrote:

> On Thu, 19 Mar 2020 at 07:03, Jonathan Chen <jonc at chen.org.nz> wrote:
> >
> > On Thu, 19 Mar 2020 at 04:55, Michael Osipov <1983-01-06 at gmx.net> wrote:
> > >
> > > Am 2020-03-18 um 05:18 schrieb Jonathan Chen:
> > > > On Wed, 18 Mar 2020 at 17:14, Tommy Pham <tommyhp2 at gmail.com> wrote:
> > > >>
> > > >> Hello everyone,
> > > >>
> > > >> Is there way to specify explicitly the desired Java version to
> build?  This
> > > >> is a list of ports that I found using Java:
> > > >
> > > > In /etc/make.conf, specify:
> > > > JAVA_PREFERRED_PORTS=   JAVA_PORT_NATIVE_OPENJDK_JDK_11
> > >
> > > Where is this documented?
> >
> > Some notes for this should have been put into bsd.java.mk, but it's
> > not. I only puzzled it out when trying to make openjdk11 my default
> > Java. The relevant line is around line 201 in
> > /usr/ports/Mk/bsd.java.mk.
>
> Incidentally, using JAVA_PREFERRED_PORTS as such will correctly use
> openjdk11 only if the port allows it in its version list, eg:
>     USE_JAVA=8+
> or
>     USE_JAVA=yes
>     JAVA_VERSION=8+
>
> If a port mandates the use of a specific version with:
>     USE_JAVA=8
> or
>     USE_JAVA=yes
>     JAVA_VERSION=8
> The port-system will correctly ignore JAVA_PREFERRED_PORTS and use
> openjdk8 instead.
>
> Cheers.
> --
> Jonathan Chen <jonc at chen.org.nz>
>

That's what my patch does as it ensures the strict requirement of the port
while attempting to meet the user's request as seen in my spot check of
'make java-debug'. I think I'll submit a PR since DEFAULT_VERSIONS+=java=11
is shorter and easier to manage along with other languages.

>