[release/9.0.1xx] [build] use javac -source 17 -target 17 (#9493)
#10037
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Context: https://stackoverflow.com/a/76043133 Running `javac` with a newer `-source` and `-target` can run additional optimizations that results in *slightly* smaller Java bytecode and runtime performance. We should do this for all Java code we build as part of the product, as it might improve install size & build times for tools like `manifestmerger.jar` and `r8.jar`. After this change, I got the error: error: option -bootclasspath not allowed with target 17 Which is fixed by using `-classpath` instead.
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Note that this change adds a lot of warnings to our build: We probably need to determine if these are an issue before we ship them in a stable release. |
I'm trying |
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Closing this in favor of backporting: I'll likely create a new PR to backport #10050 after it is merged to main. |
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Backport of: #9493
Fixes: #9925
Context: https://stackoverflow.com/a/76043133
Running
javacwith a newer-sourceand-targetcan run additional optimizations that results in slightly smaller Java bytecode and runtime performance.We should do this for all Java code we build as part of the product, as it might improve install size & build times for tools like
manifestmerger.jarandr8.jar.After this change, I got the error:
Which is fixed by using
-classpathinstead.