如何在项目基础上永久设置此选项，这样我就不必一直提供它们？我可以通过intellij Bazel插件自动选择它的方式来这样做吗？
是。将其添加到<project root>/.bazelrc所有使用本地JDK的版本中：
build --define=ABSOLUTE_JAVABASE=/usr/lib/jvm/java-8-openjdk
build --host_javabase=@bazel_tools//tools/jdk:absolute_javabase
build --host_java_toolchain=@bazel_tools//tools/jdk:toolchain_vanilla
build --java_toolchain=@bazel_tools//tools/jdk:toolchain_vanilla
或者，将它们分组在可以使用进行选择的.bazelrc配置下，因此默认的无配置版本不受影响。local_jdk``bazel build //:target --config=local_jdk
build:local_jdk --define=ABSOLUTE_JAVABASE=/usr/lib/jvm/java-8-openjdk
build:local_jdk --host_javabase=@bazel_tools//tools/jdk:absolute_javabase
build:local_jdk --host_java_toolchain=@bazel_tools//tools/jdk:toolchain_vanilla
build:local_jdk --java_toolchain=@bazel_tools//tools/jdk:toolchain_vanilla
--host_javabase 定义Java规则用于宿主工具编译的JDK的位置。
$ bazel query --output=build @bazel_tools//tools/jdk:absolute_javabase
java_runtime(
name = "absolute_javabase",
tags = ["__JAVA_RULES_MIGRATION_DO_NOT_USE_WILL_BREAK__"],
generator_name = "absolute_javabase",
generator_function = "java_runtime",
generator_location = "tools/jdk/BUILD:75",
java_home = "$(ABSOLUTE_JAVABASE)",
)
--host_java_toolchain 定义用于宿主工具编译的Java工具集。
$ bazel query --output=build @bazel_tools//tools/jdk:toolchain_vanilla
java_toolchain(
name = "toolchain_vanilla",
tags = ["__JAVA_RULES_MIGRATION_DO_NOT_USE_WILL_BREAK__"],
generator_name = "toolchain_vanilla",
generator_function = "default_java_toolchain",
generator_location = "tools/jdk/BUILD:367",
source_version = "",
target_version = "",
bootclasspath = ["@bazel_tools//tools/jdk:platformclasspath"],
misc = ["-XDskipDuplicateBridges=true", "-g", "-parameters"],
jvm_opts = [],
javac_supports_workers = True,
javac = ["@bazel_tools//tools/jdk:javac_jar"],
tools = ["@bazel_tools//tools/jdk:java_compiler_jar", "@bazel_tools//tools/jdk:jdk_compiler_jar"],
javabuilder = ["@bazel_tools//tools/jdk:vanillajavabuilder"],
singlejar = ["@bazel_tools//tools/jdk:singlejar"],
genclass = ["@bazel_tools//tools/jdk:genclass"],
ijar = ["@bazel_tools//tools/jdk:ijar"],
header_compiler = ["@bazel_tools//tools/jdk:turbine"],
header_compiler_direct = ["@bazel_tools//tools/jdk:turbine_direct"],
forcibly_disable_header_compilation = True,
)
--java_toolchain为目标定义用于Java编译的Java工具集。这独立--host_java_toolchain于将编译宿主工具与实际源代码编译解耦。
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