apply plugin: 'java-library' java { toolchain { languageVersion = JavaLanguageVersion.of(21) } withSourcesJar() withJavadocJar() } jar { manifest { attributes('Implementation-Version': project.version) attributes('X-Java-Compiler-Version': JavaLanguageVersion.of(21).toString()) } } tasks.withType(JavaCompile) { options.fork = true options.forkOptions.jvmArgs += [ '-Duser.language=en', '-Duser.country=US', ] options.compilerArgs += [ '-Xlint:all' ] options.encoding = 'UTF-8' } tasks.withType(Javadoc) { options.addStringOption('Xdoclint:none', '-quiet') options.encoding = 'UTF-8' }