Using gradle mit JDK-13

[Kevin Rushforth]

Correct. will need to upgrade to gradle 6 to support building with JDK 
13. See JDK-8232063 [1] and JDK-8232064 [2]. The gradle team indicates 
that they plan to ship gradle 6 on November 1 [3].

By way of information, the current toolchain versions used by the JavaFX 
build are recorded in build.properties [4].

-- Kevin

[1] https://bugs.openjdk.java.net/browse/JDK-8232063
[2] https://bugs.openjdk.java.net/browse/JDK-8232064
[3] https://github.com/gradle/gradle/milestones
[4] https://github.com/openjdk/jfx/blob/master/build.properties#L75


On 10/18/2019 4:56 AM, Nir Lisker wrote:
> Sorry, that was my mistake when I updated that page for Skara. We usually
> list JDK N and N-1 as compatible for JFX N and I missed that Gradle is not
> there yet for 13.
> Use JDK 12 for now.
>
> - Nir
>
> On Fri, Oct 18, 2019, 09:02 Robert Lichtenberger <r.lichtenberger at gmail.com>
> wrote:
>
>> In trying to provide a fix for JDK-8232524 I have begun to setup a build
>> for JavaFX.
>>
>> According to [1] using JDK-13 is recommended. However, gradle is not yet
>> ready to run on JDK-13 ([2]):
>>
>> [rli at rlinux jfx]$ ./gradlew clean
>>
>> FAILURE: Build failed with an exception.
>>
>> * Where:
>>
>> Build file '/home/rli/PWEs/jfx/buildSrc/build.gradle'
>>
>> * What went wrong:
>>
>> Could not compile build file '/home/rli/PWEs/jfx/buildSrc/build.gradle'.
>>
>>> startup failed:
>>    General error during semantic analysis: Unsupported class file major
>> version 57
>>
>> I'll now continue on JDK-12 (just like I have to in my day job) but is
>> there any general advice on how to proceed with JDK-13?
>>
>> Best regards,
>>
>> Robert
>>
>>
>> [1]
>> https://wiki.openjdk.java.net/display/OpenJFX/Building+OpenJFX#BuildingOpenJFX-LinuxDesktopBuildLinux
>>
>> [2] https://github.com/gradle/gradle/issues/8681
>>
>>