Build please_pex releases in native environments #287
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Now that please_pex writes a preamble C binary that is native to each platform supported by Please, please_pex is no longer just a Go binary that can be cross-compiled for every platform on a Linux amd64 runner: the preamble needs to be built natively for each platform and embedded in the please_pex binary for that platform. Reorganise the please_pex test, build and release workflow so that the release binaries are built natively on their respective platforms: [alpine-builder](https://github.com/please-build/alpine-builder) for Linux (linking statically to musl results in a nice ~94KB binary), [freebsd-builder](https://github.com/please-build/freebsd-builder) for FreeBSD, and GitHub Actions' macOS 15 runners for Darwin. Although Ubuntu arm64 GitHub runners are available, the linux_arm64 release has to be built on an Ubuntu amd64 runner because JavaScript-based workflow actions currently can't be executed on an Alpine arm64 container running on an arm64 host - see: - actions/upload-artifact#739 - actions/runner#801
toastwaffle
approved these changes
Dec 3, 2025
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Now that please_pex writes a preamble C binary that is native to each platform supported by Please, please_pex is no longer just a Go binary that can be cross-compiled for every platform on a Linux amd64 runner: the preamble needs to be built natively for each platform and embedded in the please_pex binary for that platform.
Reorganise the please_pex test, build and release workflow so that the release binaries are built natively on their respective platforms: alpine-builder for Linux (linking statically to musl results in a nice ~94KB binary), freebsd-builder for FreeBSD, and GitHub Actions' macOS 15 runners for Darwin.
Although Ubuntu arm64 GitHub runners are available, the linux_arm64 release has to be built on an Ubuntu amd64 runner because JavaScript-based workflow actions currently can't be executed on an Alpine arm64 container running on an arm64 host - see: