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David Sanderson 717c0fae4b Fix grpc_proto_plugin() genrule warnings (#39060) (#39165)
We here address the following warnings:

    WARNING: /Users/dws/src/grpc-dws/src/compiler/BUILD:87:18: target 'grpc_cpp_plugin' is both a rule and a file; please choose another name for the rule
    WARNING: /Users/dws/src/grpc-dws/src/compiler/BUILD:93:18: target 'grpc_csharp_plugin' is both a rule and a file; please choose another name for the rule
    WARNING: /Users/dws/src/grpc-dws/src/compiler/BUILD:99:18: target 'grpc_node_plugin' is both a rule and a file; please choose another name for the rule
    WARNING: /Users/dws/src/grpc-dws/src/compiler/BUILD:105:18: target 'grpc_objective_c_plugin' is both a rule and a file; please choose another name for the rule
    WARNING: /Users/dws/src/grpc-dws/src/compiler/BUILD:111:18: target 'grpc_php_plugin' is both a rule and a file; please choose another name for the rule
    WARNING: /Users/dws/src/grpc-dws/src/compiler/BUILD:117:18: target 'grpc_python_plugin' is both a rule and a file; please choose another name for the rule
    WARNING: /Users/dws/src/grpc-dws/src/compiler/BUILD:123:18: target 'grpc_ruby_plugin' is both a rule and a file; please choose another name for the rule

that come from asking Bazel to build the following:

    @com_github_grpc_grpc//src/compiler:grpc_cpp_plugin
    @com_github_grpc_grpc//src/compiler:grpc_csharp_plugin
    @com_github_grpc_grpc//src/compiler:grpc_node_plugin
    @com_github_grpc_grpc//src/compiler:grpc_objective_c_plugin
    @com_github_grpc_grpc//src/compiler:grpc_php_plugin
    @com_github_grpc_grpc//src/compiler:grpc_python_plugin
    @com_github_grpc_grpc//src/compiler:grpc_ruby_plugin

The macro grpc_proto_plugin() in bazel/grpc_build_system.bzl has a genrule that uses the same name for both the rule and its output file.  This macro gets used in src/compiler/BUILD to define the above plugin targets.

We address this by giving the rule's output file a different name from the rule.  This avoids needing to update all the existing references to the plugin rules.

Closes #39060

Closes #39165

PiperOrigin-RevId: 766690690
2025-06-03 09:12:26 -07:00
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