如何指定目标BUILD文件

时间：2018-09-03 09:35:02

标签： bazel

我正在尝试构建/安装名为envoy的项目的依赖项。

项目目录如下：

$ ls -salt
total 176
 0 drwxr-xr-x.  3 app app    37 Aug 31 13:06 ..
 4 drwxrwxr-x. 16 app app  4096 Aug  4 02:28 .
 0 drwxrwxr-x.  2 app app    23 Aug  4 02:28 .circleci
 4 -rwxrwxr-x.  1 app app   259 Aug  4 02:28 .clang-format
 0 drwxrwxr-x.  2 app app    22 Aug  4 02:28 .github
 4 -rw-rw-r--.  1 app app   217 Aug  4 02:28 .gitignore
 4 -rw-rw-r--.  1 app app    61 Aug  4 02:28 BUILD
 4 -rw-rw-r--.  1 app app   433 Aug  4 02:28 CODEOWNERS
 4 -rw-rw-r--.  1 app app   139 Aug  4 02:28 CODE_OF_CONDUCT.md
12 -rw-rw-r--.  1 app app 10993 Aug  4 02:28 CONTRIBUTING.md
 4 -rw-rw-r--.  1 app app  1421 Aug  4 02:28 DCO
 8 -rw-rw-r--.  1 app app  4221 Aug  4 02:28 DEPRECATED.md
 4 -rw-rw-r--.  1 app app  2189 Aug  4 02:28 DEVELOPER.md
12 -rw-rw-r--.  1 app app  8202 Aug  4 02:28 GOVERNANCE.md
 4 -rw-rw-r--.  1 app app  1718 Aug  4 02:28 ISSUE_TEMPLATE.md
12 -rw-rw-r--.  1 app app 11358 Aug  4 02:28 LICENSE
 4 -rw-rw-r--.  1 app app   108 Aug  4 02:28 NOTICE
 4 -rw-rw-r--.  1 app app  2923 Aug  4 02:28 OWNERS.md
 4 -rw-rw-r--.  1 app app  2211 Aug  4 02:28 PULL_REQUEST_TEMPLATE.md
 8 -rw-rw-r--.  1 app app  4844 Aug  4 02:28 README.md
 8 -rw-rw-r--.  1 app app  6907 Aug  4 02:28 REPO_LAYOUT.md
16 -rw-rw-r--.  1 app app 13200 Aug  4 02:28 SECURITY_RELEASE_PROCESS.md
12 -rw-rw-r--.  1 app app 12085 Aug  4 02:28 STYLE.md
 4 -rw-rw-r--.  1 app app     6 Aug  4 02:28 VERSION
 4 -rw-rw-r--.  1 app app   514 Aug  4 02:28 WORKSPACE
 4 drwxrwxr-x.  9 app app  4096 Aug  4 02:28 api
 4 drwxrwxr-x.  3 app app  4096 Aug  4 02:28 bazel
 4 drwxrwxr-x.  4 app app  4096 Aug  4 02:28 ci
 4 drwxrwxr-x.  4 app app  4096 Aug  4 02:28 configs
 4 drwxrwxr-x.  3 app app  4096 Aug  4 02:28 docs
 4 drwxrwxr-x.  8 app app  4096 Aug  4 02:28 examples
 0 drwxrwxr-x.  3 app app    18 Aug  4 02:28 include
 0 drwxrwxr-x.  2 app app    41 Aug  4 02:28 restarter
 0 drwxrwxr-x.  7 app app    70 Aug  4 02:28 source
 0 drwxrwxr-x.  3 app app    50 Aug  4 02:28 support
 4 drwxrwxr-x. 15 app app  4096 Aug  4 02:28 test
 4 drwxrwxr-x.  6 app app  4096 Aug  4 02:28 tools

有两个bazel WORKSPACE文件：

$ find . -iname WORKSPACE
./WORKSPACE 
./ci/WORKSPACE

我想我必须从顶层目录构建bazel本机依赖关系，但是我不知道如何指定目标BUILD文件。您能否在bazel build上提出建议  命令来实现那个目标？

编辑：我正在尝试在此处https://github.com/envoyproxy/envoy/blob/master/bazel/README.md

上构建步骤2中提到的内容。

编辑＃2：：进行$ bazel build //source/exe:envoy

时

我遇到以下错误

WARNING: /home/app/.cache/bazel/_bazel_app/93cf2aaa5a193ee1dca34ebc2235b4f8/external/com_github_grpc_grpc/BUILD:1972:1: in srcs attribute of cc_library rule @com_github_grpc_grpc//:grpc_nanopb: please do not import '@com_github_grpc_grpc//third_party/nanopb:pb_common.c' directly. You should either move the file to this package or depend on an appropriate rule there. Since this rule was created by the macro 'grpc_generate_one_off_targets', the error might have been caused by the macro implementation in /home/app/.cache/bazel/_bazel_app/93cf2aaa5a193ee1dca34ebc2235b4f8/external/com_github_grpc_grpc/bazel/grpc_build_system.bzl:172:12
WARNING: /home/app/.cache/bazel/_bazel_app/93cf2aaa5a193ee1dca34ebc2235b4f8/external/com_github_grpc_grpc/BUILD:1972:1: in srcs attribute of cc_library rule @com_github_grpc_grpc//:grpc_nanopb: please do not import '@com_github_grpc_grpc//third_party/nanopb:pb_decode.c' directly. You should either move the file to this package or depend on an appropriate rule there. Since this rule was created by the macro 'grpc_generate_one_off_targets', the error might have been caused by the macro implementation in /home/app/.cache/bazel/_bazel_app/93cf2aaa5a193ee1dca34ebc2235b4f8/external/com_github_grpc_grpc/bazel/grpc_build_system.bzl:172:12
WARNING: /home/app/.cache/bazel/_bazel_app/93cf2aaa5a193ee1dca34ebc2235b4f8/external/com_github_grpc_grpc/BUILD:1972:1: in srcs attribute of cc_library rule @com_github_grpc_grpc//:grpc_nanopb: please do not import '@com_github_grpc_grpc//third_party/nanopb:pb_encode.c' directly. You should either move the file to this package or depend on an appropriate rule there. Since this rule was created by the macro 'grpc_generate_one_off_targets', the error might have been caused by the macro implementation in /home/app/.cache/bazel/_bazel_app/93cf2aaa5a193ee1dca34ebc2235b4f8/external/com_github_grpc_grpc/bazel/grpc_build_system.bzl:172:12
ERROR: /home/app/.cache/bazel/_bazel_app/93cf2aaa5a193ee1dca34ebc2235b4f8/external/io_bazel_rules_go/proto/BUILD.bazel:21:1: no such package '@org_golang_x_net//context': failed to fetch org_golang_x_net: 2018/09/12 03:10:46 unrecognized import path "golang.org/x/net"
 and referenced by '@io_bazel_rules_go//proto:go_grpc'
ERROR: Analysis of target '//source/exe:envoy' failed; build aborted: no such package '@org_golang_x_net//context': failed to fetch org_golang_x_net: 2018/09/12 03:10:46 unrecognized import path "golang.org/x/net"
INFO: Elapsed time: 73.577s
INFO: 0 processes.
FAILED: Build did NOT complete successfully (253 packages loaded)

能否请您进一步提出建议？

编辑＃3：为完整起见，我在scl下运行此命令，以便获得较新的GCC版本

- name: "Install envoy dependencies"
        yum: name="{{ item }}" state=latest
        with_items:
          - cmake
          - libtool
          - libstdc++
          - bazel
          - centos-release-scl
          - devtoolset-7-gcc-c++   # scl enable devtoolset-7 bash
        environment:
          http_proxy: "{{ prx.http }}"
          https_proxy: "{{ prx.https }}"

表示我先输入scl enable devtoolset-7 bash，然后输入通常的内容

2 个答案:

答案 0 :(得分：0)

从DEVELOPER.md开始构建Envoy：

$ bazel build //source/exe:envoy

此//source/exe:envoy目标在source/exe/BUILD中定义。

要运行所有测试：

$ bazel test //test/...

...递归引用所有目标。

要运行特定的测试，例如test/common/http/BUILD中定义的async_client_impl_test。 //test/common/http是程序包名称。

$ bazel test //test/common/http:async_client_impl_test

由于绝对目标标签中的//，因此可以从项目目录中的任何位置运行这些命令。

答案 1 :(得分：0)

您可以尝试“进入-u google.golang.org/grpc”并查看其是否有效吗？

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