envoy: fix broken build #14677
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envoy: fix broken build #14677
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xingyaner is a new contributor to projects/envoy. The PR must be approved by known contributors before it can be merged. The past contributors are: adisuissa, catenacyber, maflcko, disconnect3d, asraa, krajshiva |
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The root cause of the error is that Clang-18 is overly strict in checking the constant initialization of the constinit variable in Protobuf under the C++20 standard (the determination involves heap allocation). The repair solution pre-downloads dependencies through bazel fetch and dynamically erasing the constinit keyword in the Protobuf source code in combination with the sed script, converting conflicting variables into legal dynamic initializations and resolving compilation blocking without disrupting the global C++20 environment.