8000 Cannot build cc_proto_library on 29.4 with `ProtoLangToolchainInfo` not found, but py_proto_libray works. · Issue #258 · protocolbuffers/protocolbuffers.github.io · GitHub
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Cannot build cc_proto_library on 29.4 with ProtoLangToolchainInfo not found, but py_proto_libray works. #258

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Guancheng-Li opened this issue May 31, 2025 · 0 comments
Open

Cannot build cc_proto_library on 29.4 with ProtoLangToolchainInfo not found, but py_proto_libray works. #258

Guancheng-Li opened this issue May 31, 2025 · 0 comments

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@Guancheng-Li
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I build cc_proto_library failed with the following error log:

bazel build --enable_workspace //experimental/liguancheng:person_cc_proto
ERROR: /home/liguancheng/workspace/parking_task_manager/experimental/liguancheng/BUILD:25:14: in @@com_google_protobuf//bazel/private:bazel_cc_proto_library.bzl%cc_proto_aspect aspect on proto_library rule //experimental/liguancheng:person_proto:
Traceback (most recent call last):
        File "/home/liguancheng/.cache/bazel/_bazel_liguancheng/8ea09798395bc4ee4983110cbef919ff/external/com_google_protobuf/bazel/private/bazel_cc_proto_library.bzl", line 57, column 48, in _aspect_impl
                proto_toolchain = toolchains.find_toolchain(ctx, "_aspect_cc_proto_toolchain", _CC_PROTO_TOOLCHAIN)
        File "/home/liguancheng/.cache/bazel/_bazel_liguancheng/8ea09798395bc4ee4983110cbef919ff/external/com_google_protobuf/bazel/private/toolchain_helpers.bzl", line 29, column 46, in _find_toolchain
                return getattr(ctx.attr, legacy_attr)[ProtoLangToolchainInfo]
Error: <target @@protobuf+//:cc_toolchain> (rule 'proto_lang_toolchain') doesn't contain declared provider 'ProtoLangToolchainInfo'
ERROR: Analysis of target '//experimental/liguancheng:person_proto' failed
ERROR: Analysis of target '//experimental/liguancheng:person_cc_proto' failed; build aborted

My WORKSPACE file is:

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")


http_archive(
    name = "rules_pkg",
    urls = [
        "https://github.com/bazelbuild/rules_pkg/releases/download/1.1.0/rules_pkg-1.1.0.tar.gz",
    ],
    sha256 = "b7215c636f22c1849f1c3142c72f4b954bb12bb8dcf3cbe229ae6e69cc6479db",
)
load("@rules_pkg//:deps.bzl", "rules_pkg_dependencies")
rules_pkg_dependencies()


http_archive(
    name = "com_google_protobuf",
    sha256 = "6bd9dcc91b17ef25c26adf86db71c67ec02431dc92e9589eaf82e22889230496",
    strip_prefix = "protobuf-29.4",
    urls = [
        "https://github.com/protocolbuffers/protobuf/releases/download/v29.4/protobuf-29.4.tar.gz",
    ],
)


http_archive(
    name = "rules_cc",
    urls = [
        "https://github.com/bazelbuild/rules_cc/releases/download/0.1.0/rules_cc-0.1.0.tar.gz",
    ],
    sha256 = "4b12149a041ddfb8306a8fd0e904e39d673552ce82e4296e96fac9cbf0780e59",
    strip_prefix = "rules_cc-0.1.0",
)
load("@rules_cc//cc:repositories.bzl", "rules_cc_toolchains")
rules_cc_toolchains()


http_archive(
    name = "rules_python",
    sha256 = "4f7e2aa1eb9aa722d96498f5ef514f426c1f55161c3c9ae628c857a7128ceb07",
    strip_prefix = "rules_python-1.0.0",
    urls = [
        "https://github.com/bazel-contrib/rules_python/releases/download/1.0.0/rules_python-1.0.0.tar.gz",
    ],
)
load("@rules_python//python:repositories.bzl", "py_repositories")
py_repositories()


http_archive(
    name = "rules_proto",
    sha256 = "14a225870ab4e91869652cfd69ef2028277fc1dc4910d65d353b62d6e0ae21f4",
    strip_prefix = "rules_proto-7.1.0",
    urls = [
        "https://github.com/bazelbuild/rules_proto/releases/download/7.1.0/rules_proto-7.1.0.tar.gz",
    ],
)
load("@rules_proto//proto:repositories.bzl", "rules_proto_dependencies")
rules_proto_dependencies()


load("@rules_python//python:pip.bzl", "pip_parse")
pip_parse(
    name = "python_deps",
    requirements_lock = "//:requirements_lock.txt",
    extra_pip_args = [
        "--extra-index-url=https://mirrors.aliyun.com/pypi/simple",
    ],
)


load("@rules_python//python:repositories.bzl", "python_register_toolchains")
python_register_toolchains(
    name = "python3",
    python_version = "3.10",
)


load("@python_deps//:requirements.bzl", "install_deps")
install_deps()

My BUILD file is

load("@rules_proto//proto:defs.bzl", "proto_library")
load("@rules_python//python:proto.bzl", "py_proto_library")
load("@com_google_protobuf//bazel:cc_proto_library.bzl", "cc_proto_library")

package(default_visibility=["//visibility:public"])

proto_library(
    name = "person_proto",
    srcs = ["person.proto"],
)

py_proto_library(
    name = "person_py_proto",
    deps = [":person_proto"],
)

cc_proto_library(
    name = "person_cc_proto",
    deps = [":person_proto"],
)
@Guancheng-Li Guancheng-Li changed the title News Announcements for Version 29.x Cannot build cc_proto_library on 29.4 with ProtoLangToolchainInfo not found, but py_proto_libray works. May 31, 2025
@Guancheng-Li Guancheng-Li changed the title Cannot build cc_proto_library on 29.4 with ProtoLangToolchainInfo not found, but py_proto_libray works. Cannot build cc_proto_library on 29.4 with ProtoLangToolchainInfo not found, but py_proto_libray works. May 31, 2025
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