On Wed, 12 Jun 2024 21:57:32 GMT, Kevin Rushforth <k...@openjdk.org> wrote:
> This PR is a follow-on to #1474. > > Enable `javac -Werror` so that javac warnings, including but not limited to > javac lint warnings, will cause the build to fail. As with the fix for > [JDK-8327255](https://bugs.openjdk.org/browse/JDK-8327255), we define three > new properties to enable `-Werror`, one for each type of java compilation > task: sdk classes, test classes (including shims), and tool classes > (including JSLC). The defaults for `-Werror` for these three groups are: > > * `JAVAC_WERROR` : `true` > * `TOOL_JAVAC_WERROR` : `false` > * `TEST_JAVAC_WERROR` : `false` > > They can be overridden on the command line. > > I had to do the following two things for the build to pass: > > 1. Disable `-Werror` for the `javafx.graphics` module until > [JDK-8334137](https://bugs.openjdk.org/browse/JDK-8334137) is fixed. The > warning generated when using `sun.misc.Unsafe` in JDK 22 or later cannot be > suppressed, so we must not use `-Werror` when compiling the graphics module. > 2. Define module-specific `extraLintOptions` in the swing module to disable > the "options" lint warning, which is enabled by default. That warning is > generated because we (necessarily) use `--source 21` instead of `--release > 21` for the Swing module, and don't set the location of the system modules. > > I tested this, both locally and via GHA, in the following two branches, each > of which introduces an error, the first tests that a removal warning will > fail the build and the second tests that a missing explicit constructor will > fail the build: > > * > [test-Werror-removal](https://github.com/kevinrushforth/jfx/tree/test-Werror-removal) > : [GHA > workflow](https://github.com/kevinrushforth/jfx/actions/runs/9664971290) > * > [test-Werror-implicit-ctor](https://github.com/kevinrushforth/jfx/tree/test-Werror-implicit-ctor) > : [GHA > workflow](https://github.com/kevinrushforth/jfx/actions/runs/9664924813) Thanks for the reviews and the additional observations. ------------- PR Comment: https://git.openjdk.org/jfx/pull/1475#issuecomment-2192419456