compiler: add retry loop and enable allowEmptyChecksums on Windows (v1.82.x backport) - #12987
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kannanjgithub merged 1 commit intoAug 14, 2026
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…rpc#12962) Enables allowEmptyChecksums globally on Chocolatey and implements a 3-attempt retry loop for pkgconfiglite to prevent Windows CI failures caused by transient network or SourceForge mirror errors. Even though --allow-empty-checksums is passed to choco install, newer Chocolatey versions do not propagate this CLI flag to the nested PowerShell installer script (chocolateyInstall.ps1). The inner script fails when downloading the binary from non-secure HTTP SourceForge mirrors unless the allowEmptyChecksums feature is globally enabled via choco feature beforehand. This change also makes the script exit prematurely if pkg-config installation still failed instead of continuing and failing later at the linking step. [Failed Kokoro build logs example](https://btx.cloud.google.com/invocations/f43affbc-6ace-4158-bac4-86779b985b2f/targets/grpc%2Fjava%2Fmaster%2Fpresubmit%2Fwindows;config=default/log).
shivaspeaks
approved these changes
Aug 14, 2026
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Backport of #12962 to v1.82.x.
Enables allowEmptyChecksums globally on Chocolatey and implements a 3-attempt retry loop for pkgconfiglite to prevent Windows CI failures caused by transient network or SourceForge mirror errors. Even though --allow-empty-checksums is passed to choco install, newer Chocolatey versions do not propagate this CLI flag to the nested PowerShell installer script (chocolateyInstall.ps1). The inner script fails when downloading the binary from non-secure HTTP SourceForge mirrors unless the allowEmptyChecksums feature is globally enabled via choco feature beforehand.
This change also makes the script exit prematurely if pkg-config installation still failed instead of continuing and failing later at the linking step.
Failed Kokoro build logs example.