BUILD.bazel

# Bazel (https://bazel.build/) BUILD file for Protobuf.

load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library", "cc_proto_library")
load("@rules_java//java:defs.bzl", "java_lite_proto_library", "java_proto_library")
load("@rules_pkg//:mappings.bzl", "pkg_files", "strip_prefix")
load("@rules_proto//proto:defs.bzl", "proto_lang_toolchain", "proto_library")
load("//build_defs:cpp_opts.bzl", "COPTS", "LINK_OPTS")
load(":protobuf.bzl", "internal_objc_proto_library", "internal_php_proto_library", "internal_py_proto_library")

licenses(["notice"])

exports_files(["LICENSE"])

################################################################################
# Well Known Types Proto Library Rules
#
# https://developers.google.com/protocol-buffers/docs/reference/google.protobuf
################################################################################
# These proto_library rules can be used with one of the language specific proto
# library rules i.e. java_proto_library:
#
# java_proto_library(
#   name = "any_java_proto",
#   deps = ["@com_google_protobuf//:any_proto"],
# )
################################################################################

alias(
    name = "any_proto",
    actual = "//src/google/protobuf:any_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "api_proto",
    actual = "//src/google/protobuf:api_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "duration_proto",
    actual = "//src/google/protobuf:duration_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "empty_proto",
    actual = "//src/google/protobuf:empty_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "field_mask_proto",
    actual = "//src/google/protobuf:field_mask_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "source_context_proto",
    actual = "//src/google/protobuf:source_context_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "struct_proto",
    actual = "//src/google/protobuf:struct_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "timestamp_proto",
    actual = "//src/google/protobuf:timestamp_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "type_proto",
    actual = "//src/google/protobuf:type_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "wrappers_proto",
    actual = "//src/google/protobuf:wrappers_proto",
    visibility = ["//visibility:public"],
)

# Source files: these are aliases to a filegroup, not a `proto_library`.
#
# (This is _probably_ not what you want.)
alias(
    name = "lite_well_known_protos",
    actual = "//src/google/protobuf:well_known_type_protos",  # filegroup
    visibility = ["//visibility:public"],
)

alias(
    name = "well_known_type_protos",
    actual = "//src/google/protobuf:well_known_type_protos",  # filegroup
    visibility = ["//visibility:public"],
)

# Built-in runtime protos: these are part of protobuf's internal
# implementation, but are not Well-Known Types.

alias(
    name = "cpp_features_proto",
    actual = "//src/google/protobuf:cpp_features_proto",  # proto_library
    visibility = ["//visibility:public"],
)

alias(
    name = "descriptor_proto",
    actual = "//src/google/protobuf:descriptor_proto",  # proto_library
    visibility = ["//visibility:public"],
)

alias(
    name = "descriptor_proto_srcs",
    actual = "//src/google/protobuf:descriptor_proto_srcs",  # filegroup
    visibility = ["//visibility:public"],
)

alias(
    name = "compiler_plugin_proto",
    actual = "//src/google/protobuf/compiler:plugin_proto",  # proto_library
    visibility = ["//visibility:public"],
)

cc_library(
    name = "cc_wkt_protos",
    deprecation = "Only for backward compatibility. Do not use.",
    visibility = ["//visibility:public"],
)

# Source protos that are typically part of the protobuf runtime.
#
# DEPRECATED: Prefer :well_known_type_protos for the Well-Known Types
# (https://developers.google.com/protocol-buffers/docs/reference/google.protobuf)
# or :descriptor_proto(_srcs) for descriptor.proto (source), or
# :compiler_plugin_proto for compiler/plugin.proto.
filegroup(
    name = "well_known_protos",
    srcs = [
        ":descriptor_proto_srcs",
        ":well_known_type_protos",
        "//src/google/protobuf/compiler:plugin.proto",
    ],
    deprecation = "Prefer :well_known_type_protos instead.",
    visibility = ["//visibility:public"],
)

################################################################################
# Protocol Buffers Compiler
################################################################################

alias(
    name = "protoc_lib",
    actual = "//src/google/protobuf/compiler:protoc_lib",
    visibility = ["//visibility:public"],
)

cc_binary(
    name = "protoc",
    copts = COPTS,
    linkopts = LINK_OPTS,
    visibility = ["//visibility:public"],
    deps = ["//src/google/protobuf/compiler:protoc_lib"],
)

cc_binary(
    name = "protoc_static",
    copts = COPTS,
    features = select({
        # This isn't possible on mac because there is no static library for lcrt0.o
        "@platforms//os:osx": [],
        "//build_defs:config_osx": [],
        # When cross-compiling we need to statically link all C++ libraries.
        "//conditions:default": ["fully_static_link"],
    }),
    linkopts = LINK_OPTS,
    visibility = ["//visibility:public"],
    deps = ["//src/google/protobuf/compiler:protoc_lib"],
)

################################################################################
# C++ runtime
################################################################################

# Expose the runtime for the proto_lang_toolchain so that it can also be used in
# a user-defined proto_lang_toolchain.
alias(
    name = "protobuf_nowkt",
    actual = "//src/google/protobuf:protobuf_nowkt",
    visibility = ["//visibility:public"],
)

# The "lite" runtime works for .proto files that specify the option:
#     optimize_for = LITE_RUNTIME;
#
# The lite runtime does not include the `Reflection` APIs (including
# `Descriptor` and related types) or Well-Known Types.
#
# See also:
#     https://developers.google.com/protocol-buffers/docs/reference/cpp-generated#message
#     https://developers.google.com/protocol-buffers/docs/reference/google.protobuf
alias(
    name = "protobuf_lite",
    actual = "//src/google/protobuf:protobuf_lite",
    visibility = ["//visibility:public"],
)

cc_library(
    name = "protobuf",
    copts = COPTS,
    linkopts = LINK_OPTS,
    visibility = ["//visibility:public"],
    deps = [
        "//src/google/protobuf",
        "//src/google/protobuf/compiler:importer",
        "//src/google/protobuf/util:delimited_message_util",
        "//src/google/protobuf/util:differencer",
        "//src/google/protobuf/util:field_mask_util",
        "//src/google/protobuf/util:json_util",
        "//src/google/protobuf/util:time_util",
        "//src/google/protobuf/util:type_resolver_util",
    ],
)

# This provides just the header files for use in projects that need to build
# shared libraries for dynamic loading. This target is available until Bazel
# adds native support for such use cases.
# TODO: Remove this target once the support gets added to Bazel.
alias(
    name = "protobuf_headers",
    actual = "//src/google/protobuf:protobuf_headers",
    visibility = ["//visibility:public"],
)

alias(
    name = "json",
    actual = "//src/google/protobuf/json",
    visibility = ["//visibility:public"],
)

################################################################################
# Java support
################################################################################

alias(
    name = "protobuf_java",
    actual = "//java/core",
    visibility = ["//visibility:public"],
)

alias(
    name = "protobuf_javalite",
    actual = "//java/lite",
    visibility = ["//visibility:public"],
)

alias(
    name = "protobuf_java_util",
    actual = "//java/util",
    visibility = ["//visibility:public"],
)

alias(
    name = "java_toolchain",
    actual = "//java/core:toolchain",
    visibility = ["//visibility:public"],
)

alias(
    name = "javalite_toolchain",
    actual = "//java/lite:toolchain",
    visibility = ["//visibility:public"],
)

################################################################################
# Python support
################################################################################

alias(
    name = "protobuf_python",
    actual = "//python:protobuf_python",
    visibility = ["//visibility:public"],
)

alias(
    name = "python_srcs",
    actual = "//python:python_srcs",
    visibility = ["//python:__subpackages__"],
)

alias(
    name = "python_test_srcs",
    actual = "//python:python_test_srcs",
    visibility = ["//python:__subpackages__"],
)

alias(
    name = "well_known_types_py_pb2",
    actual = "//python:well_known_types_py_pb2",
    visibility = ["//visibility:public"],
)

alias(
    name = "python_common_test_protos",
    actual = "//python:python_common_test_protos",
    visibility = ["//visibility:public"],
)

alias(
    name = "python_specific_test_protos",
    actual = "//python:python_specific_test_protos",
    visibility = ["//visibility:public"],
)

proto_lang_toolchain(
    name = "cc_toolchain",
    blacklisted_protos = [
        "//:compiler_plugin_proto",
        "//:descriptor_proto",
    ],
    command_line = "--cpp_out=$(OUT)",
    runtime = "//src/google/protobuf:protobuf_nowkt",
    visibility = ["//visibility:public"],
)

################################################################################
# Objective-C support
################################################################################

alias(
    name = "objectivec",
    actual = "//objectivec",
    tags = ["manual"],
    visibility = ["//visibility:public"],
)

alias(
    name = "protobuf_objc",
    actual = "//objectivec",
    tags = ["manual"],
    visibility = ["//visibility:public"],
)

################################################################################
# Test protos
################################################################################

alias(
    name = "lite_test_proto_srcs",
    actual = "//src/google/protobuf:lite_test_proto_srcs",  # proto_library
    visibility = ["//:__subpackages__"],
)

alias(
    name = "lite_test_protos",
    actual = "//src/google/protobuf:lite_test_protos",  # proto_library
    visibility = ["//:__subpackages__"],
)

alias(
    name = "test_proto_srcs",
    actual = "//src/google/protobuf:test_proto_srcs",  # filegroup
    visibility = ["//:__subpackages__"],
)

alias(
    name = "test_protos",
    actual = "//src/google/protobuf:test_protos",  # proto_library
    visibility = ["//:__subpackages__"],
)

# Validate generated proto source inputs:

genrule(
    name = "generated_protos",
    testonly = 1,
    srcs = ["//src/google/protobuf:test_proto_srcs"],
    outs = ["unittest_gen_import.proto"],
    cmd = "cat src/google/protobuf/unittest_import.proto > $@",
)

proto_library(
    name = "generated_protos_proto",
    testonly = 1,
    srcs = [":generated_protos"],
    deps = ["//src/google/protobuf:generic_test_protos"],
)

internal_py_proto_library(
    name = "generated_protos_py",
    testonly = 1,
    srcs = [":generated_protos"],
    default_runtime = "",
    protoc = ":protoc",
    deps = ["//python:python_common_test_protos"],
)

################################################################################
# Conformance tests
################################################################################

cc_proto_library(
    name = "test_messages_proto2_cc_proto",
    visibility = [
        "//conformance:__pkg__",
        "//src:__subpackages__",
    ],
    deps = ["//src/google/protobuf:test_messages_proto2_proto"],
)

cc_proto_library(
    name = "test_messages_proto3_cc_proto",
    visibility = [
        "//conformance:__pkg__",
        "//src:__subpackages__",
    ],
    deps = ["//src/google/protobuf:test_messages_proto3_proto"],
)

java_proto_library(
    name = "test_messages_proto2_java_proto",
    visibility = [
        "//conformance:__pkg__",
        "//java:__subpackages__",
    ],
    deps = ["//src/google/protobuf:test_messages_proto2_proto"],
)

java_proto_library(
    name = "test_messages_proto3_java_proto",
    visibility = [
        "//conformance:__pkg__",
        "//java:__subpackages__",
    ],
    deps = ["//src/google/protobuf:test_messages_proto3_proto"],
)

java_lite_proto_library(
    name = "test_messages_proto2_java_proto_lite",
    visibility = [
        "//conformance:__pkg__",
        "//java:__subpackages__",
    ],
    deps = ["//src/google/protobuf:test_messages_proto2_proto"],
)

java_lite_proto_library(
    name = "test_messages_proto3_java_proto_lite",
    visibility = [
        "//conformance:__pkg__",
        "//java:__subpackages__",
    ],
    deps = ["//src/google/protobuf:test_messages_proto3_proto"],
)

internal_objc_proto_library(
    name = "test_messages_proto2_objc_proto",
    testonly = 1,
    srcs = ["//src/google/protobuf:test_messages_proto2.proto"],
    includes = ["src/google/protobuf"],
    visibility = [
        "//conformance:__pkg__",
        "//objectivec:__subpackages__",
    ],
)

internal_objc_proto_library(
    name = "test_messages_proto3_objc_proto",
    testonly = 1,
    srcs = ["//src/google/protobuf:test_messages_proto3.proto"],
    includes = [
        "src/google/protobuf",
        # The above must come first.
        "src",
    ],
    proto_deps = [":well_known_protos"],
    visibility = [
        "//conformance:__pkg__",
        "//objectivec:__subpackages__",
    ],
)

internal_php_proto_library(
    name = "test_messages_proto3_php_proto",
    testonly = 1,
    srcs = ["//src/google/protobuf:test_messages_proto3.proto"],
    outs = [
        "GPBMetadata/TestMessagesProto3.php",
        "Protobuf_test_messages/Proto3/EnumOnlyProto3.php",
        "Protobuf_test_messages/Proto3/EnumOnlyProto3/PBBool.php",
        "Protobuf_test_messages/Proto3/ForeignEnum.php",
        "Protobuf_test_messages/Proto3/ForeignMessage.php",
        "Protobuf_test_messages/Proto3/NullHypothesisProto3.php",
        "Protobuf_test_messages/Proto3/TestAllTypesProto3.php",
        "Protobuf_test_messages/Proto3/TestAllTypesProto3/AliasedEnum.php",
        "Protobuf_test_messages/Proto3/TestAllTypesProto3/NestedEnum.php",
        "Protobuf_test_messages/Proto3/TestAllTypesProto3/NestedMessage.php",
    ],
    includes = [
        "src/google/protobuf",
        # The above must come first.
        "src",
    ],
    proto_deps = [":well_known_protos"],
    visibility = [
        "//conformance:__pkg__",
        "//php:__subpackages__",
    ],
)

filegroup(
    name = "bzl_srcs",
    srcs = glob(["**/*.bzl"]),
    visibility = ["//visibility:public"],
)

################################################################################
# Packaging rules
################################################################################

# Files included in all source distributions
pkg_files(
    name = "common_dist_files",
    srcs = glob(
        [
            "*.bzl",
            "cmake/*.cmake",
            "cmake/*.in",
            "editors/*",
        ],
        allow_empty = True,
    ) + [
        "BUILD.bazel",
        "CMakeLists.txt",
        "CONTRIBUTORS.txt",
        "LICENSE",
        "README.md",
        "WORKSPACE",
        "cmake/README.md",
        "generate_descriptor_proto.sh",
        "maven_install.json",
        "//third_party:BUILD.bazel",
        "//third_party:zlib.BUILD",
    ],
    strip_prefix = strip_prefix.from_root(""),
    visibility = ["//pkg:__pkg__"],
)

# Additional files for C#
pkg_files(
    name = "csharp_dist_files",
    srcs = [
        "global.json",
    ],
    visibility = ["//pkg:__pkg__"],
)

# Additional files for ObjC
pkg_files(
    name = "objectivec_dist_files",
    srcs = [
        "Protobuf.podspec",
    ],
    visibility = ["//pkg:__pkg__"],
)