Show HN: macOS-cross-compiler – Compile binaries for macOS on Linux

• macos-cross-compiler

  3 322 8.8 Earthly

  Compile binaries for macOS on Linux

• cargo-zigbuild

  19 1,198 8.6 Rust

  Compile Cargo project with zig as linker

  

https://github.com/rust-cross/cargo-zigbuild

I’m curious what the blockers are for rustc to cross-compile like zig does natively.

• WorkOS

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• bazel-pycross-zstandard-example

  2 2 5.3 Starlark

  Example building zstandard using Bazel and zig cc

I'll plug some work I've been doing to (attempt to) enable cross compilation of Python wheels. I put together a small example [1] that builds the zstandard wheel, and can build macos wheels on linux and linux wheels on macos using zig cc.

macos wheels must still be adhoc signed (codesign) and binary patched (install_name_tool), so I re-implemented those functions in Python [2].

[1] https://github.com/jvolkman/bazel-pycross-zstandard-example

[2] https://github.com/jvolkman/repairwheel/tree/main/src/repair...

• repairwheel

  3 25 8.1 Python

  Repair any wheel, anywhere

I'll plug some work I've been doing to (attempt to) enable cross compilation of Python wheels. I put together a small example [1] that builds the zstandard wheel, and can build macos wheels on linux and linux wheels on macos using zig cc.

macos wheels must still be adhoc signed (codesign) and binary patched (install_name_tool), so I re-implemented those functions in Python [2].

[1] https://github.com/jvolkman/bazel-pycross-zstandard-example

[2] https://github.com/jvolkman/repairwheel/tree/main/src/repair...

• msvc-wine-rust

  3 60 0.0 Shell

  Cross compile Rust programs to the MSVC Windows target using Wine

AFAIK, there are no blockers really, it's just that Rust does not have its own linker, it delegates linkage to the system linker depending on the target. <https://rust-lang.github.io/rustup/cross-compilation.html?hi...>

You can specify your own linker if you want, mold is a very popular one, and cargo-zigbuild does the same behind the scenes with zig cc as the linker.

I did something similar a couple of months ago (or a year ago? I don't remember exactly). I managed to cross-compile to windows-msvc on Linux using Wine, there's a project that provides the scripts to make this easier, including the linker wrapper: <https://github.com/est31/msvc-wine-rust>. It was just for fun because Rust can already target windows-gnu and it'll use mingw64 linker.

Rust's approach to things is normally to provide the basic foundation and let the community build on top of it. I personally like this approach, but it also has this downside of people not knowing they may need an external/community built tool to accomplish what they want.

• goreleaser-cross

  2 122 6.3 Shell

  Docker image for Golang cross-compiling with CGO

  

• zstd

  106 22,407 9.7 C

  Zstandard - Fast real-time compression algorithm

  

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