Testing JavaFX with Java14 preview features

[Nir Lisker]

I managed to get it working by adding  "--enable-preview" in several
places, I'm not sure if they are all needed. There will be a test branch in
my fork with the working build.grade.

On Tue, Apr 14, 2020 at 4:35 AM Nir Lisker <nlisker at gmail.com> wrote:

> It contains:
> -source
> 14
> -target
> 14
>
> Looks like I'll have to do some digging.
>
> Thanks
>
> On Tue, Apr 14, 2020 at 2:38 AM Kevin Rushforth <
> kevin.rushforth at oracle.com> wrote:
>
>> Not sure, but you might check here:
>>
>> modules/javafx.base/build/tmp/compileJava/java-compiler-args.txt
>>
>> That's the list of args that gradle generates to pass to javac (using
>> @.../java-compiler-args.txt)
>>
>> -- Kevin
>>
>> On 4/13/2020 4:10 PM, Nir Lisker wrote:
>>
>> Thanks, yes, testing on JavaFX itself.
>> I made these changes. I'm getting "error: invalid source release: 14"
>> when trying to build. These are the settings that are output during the
>> task:
>>
>> Gradle Distribution: Gradle wrapper from target build
>> Gradle Version: 6.3
>> Java Home: C:\Program Files\Java\jdk-14
>> JVM Arguments: None
>> Program Arguments: None
>> Build Scans Enabled: false
>> Offline Mode Enabled: false
>> Gradle Tasks: build
>>
>> This is the full error message:
>>
>> error: invalid source release: 14
>> Usage: javac <options> <source files>
>> use --help for a list of possible options
>>
>> FAILURE: Build failed with an exception.
>>
>> * What went wrong:
>> Execution failed for task ':base:compileJava'.
>> > Compilation failed with exit code 2; see the compiler error output for
>> details.
>>
>> On Tue, Apr 14, 2020 at 2:00 AM Kevin Rushforth <
>> kevin.rushforth at oracle.com> wrote:
>>
>>> I guess you mean modifying the FX build in your local repo so that you
>>> can test the use of JDK 14 preview features in FX itself? (if you were
>>> just trying to use it from your app you wouldn't need any build changes
>>> in FX). At a minimum you would need to add the "--enable-preview" flag
>>> to compile.options.compilerArgs, and change "sourceCompatibility" from
>>> "11" to "14". Not sure if anything more is needed. I've never tried it.
>>>
>>> -- Kevin
>>>
>>>
>>> On 4/13/2020 1:49 PM, Nir Lisker wrote:
>>> > Hi,
>>> >
>>> > I would like to test the preview features in Java 14 on JavaFX. What
>>> > changes should I make in the build files to get it working?
>>> >
>>> > - Nir
>>>
>>>
>>