138 lines
4.3 KiB
Python
138 lines
4.3 KiB
Python
# This BUILD file shows how to use protobuf with bazel. Before you can use
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# proto_library/<lang>_proto_library rules in a BUILD file, you need to
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# include protobuf repo as remote repositories in your WORKSPACE file. See
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# the WORKSPACE file in the same directory with this BUILD file for an
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# example.
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load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_proto_library")
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load("@rules_java//java:defs.bzl", "java_binary", "java_lite_proto_library", "java_proto_library")
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load("@rules_pkg//:mappings.bzl", "pkg_files", "strip_prefix")
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load("@rules_proto//proto:defs.bzl", "proto_library")
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# For each .proto file, a proto_library target should be defined. This target
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# is not bound to any particular language. Instead, it defines the dependency
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# graph of the .proto files (i.e., proto imports) and serves as the provider
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# of .proto source files to the protocol compiler.
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#
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# Remote repository "com_google_protobuf" must be defined to use this rule.
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proto_library(
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name = "addressbook_proto",
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srcs = ["addressbook.proto"],
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deps = ["@com_google_protobuf//:timestamp_proto"],
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)
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# The cc_proto_library rule generates C++ code for a proto_library rule. It
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# must have exactly one proto_library dependency. If you want to use multiple
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# proto_library targets, create a separate cc_proto_library target for each
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# of them.
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#
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# Remote repository "com_google_protobuf_cc" must be defined to use this rule.
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cc_proto_library(
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name = "addressbook_cc_proto",
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deps = [":addressbook_proto"],
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)
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# cc_library/cc_binary targets can depend on cc_proto_library targets.
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cc_binary(
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name = "add_person_cpp",
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srcs = ["add_person.cc"],
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deps = [":addressbook_cc_proto"],
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)
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cc_binary(
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name = "list_people_cpp",
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srcs = ["list_people.cc"],
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deps = [":addressbook_cc_proto"],
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)
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# Similar to cc_proto_library but for Java.
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#
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# Remote repository "com_google_protobuf_java" must be defined to use this rule.
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java_proto_library(
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name = "addressbook_java_proto",
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deps = [":addressbook_proto"],
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)
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java_binary(
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name = "add_person_java",
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srcs = ["AddPerson.java"],
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main_class = "AddPerson",
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deps = [":addressbook_java_proto"],
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)
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java_binary(
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name = "list_people_java",
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srcs = ["ListPeople.java"],
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main_class = "ListPeople",
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deps = [":addressbook_java_proto"],
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)
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# Java lite.
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#
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# Remote repository "com_google_protobuf_javalite" must be defined to use this
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# rule.
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java_lite_proto_library(
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name = "addressbook_java_lite_proto",
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deps = [":addressbook_proto"],
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)
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# Java lite API is a subset of the regular Java API so if you only uses this
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# subset in your code, you can actually compile your code against both (i.e.,
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# share code between server build and Android build).
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#
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# The lite version has a smaller code size, and you can see that by comparing
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# the resulted .jar file:
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#
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# $ bazel build :add_person_java_deploy.jar :add_person_java_lite_deploy.jar
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# $ ls -l bazel-bin/*_deploy.jar
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# -r-xr-xr-x 1 xiaofeng eng 1230797 Sep 8 12:24 bazel-bin/add_person_java_deploy.jar
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# -r-xr-xr-x 1 xiaofeng eng 236166 Sep 8 12:24 bazel-bin/add_person_java_lite_deploy.jar
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#
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# In the above example, the lite .jar file is 6 times smaller. With proper
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# proguard inlining/stripping, the difference can be much more larger than
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# that.
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java_binary(
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name = "add_person_java_lite",
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srcs = ["AddPerson.java"],
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main_class = "AddPerson",
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deps = [":addressbook_java_lite_proto"],
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)
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java_binary(
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name = "list_people_java_lite",
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srcs = ["ListPeople.java"],
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main_class = "ListPeople",
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deps = [":addressbook_java_lite_proto"],
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)
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# Files included in all source distributions
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pkg_files(
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name = "dist_files",
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srcs = [
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"AddPerson.java",
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"BUILD.bazel",
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"CMakeLists.txt",
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"ListPeople.java",
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"Makefile",
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"README.md",
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"WORKSPACE",
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"add_person.cc",
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"add_person.dart",
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"add_person.py",
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"addressbook.proto",
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"go/cmd/add_person/add_person.go",
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"go/cmd/add_person/add_person_test.go",
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"go/cmd/list_people/list_people.go",
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"go/cmd/list_people/list_people_test.go",
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"go/go.mod",
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"go/go.sum",
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"list_people.cc",
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"list_people.dart",
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"list_people.py",
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"pubspec.yaml",
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],
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prefix = "examples/",
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strip_prefix = strip_prefix.from_root(""),
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visibility = ["//visibility:public"],
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)
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