Hi! My name is Jakub, but you might know me by my Github handle kubkon. I'm a compiler engineer, and an open-source addict.
I am a paid Zig core team member, and I am currently focusing on first-class macOS support in Zig. I am the main author and contributor to the zld traditional and the self-hosted Mach-O linkers, and I have been working hard ensuring that Zig's stage1 compiler and libstd are usable on the latest macOS Big Sur running on Apple Silicon (ARM64).
Previously, I used to contribute a lot to the Wasm/WASI ecosystem but due to time constraints, I had to dial this down somewhat (if only days were longer...). However, that doesn't mean you will never see me contribute to this fanastic ecosystem ever again - stay tuned for more updates!
If you like my open-source contributions, you can now sponsor me on GitHub.
In this blog, I'll try to reflect on the more interesting aspects of my journey through the world of programming. If you would like to discuss any of the posts, feel free to drop me a line at moc.aknokbukaj@nokbuk or message me on Twitter at @kubkon.
My most notable contributions
- Zig, where I am one of the core devs and I'm actively working on the self-hosted Mach-O linker and enhancing Zig's macOS support!
- zld, Zig's LLD drop-in replacement. This project came about as an answer to all the problems we've been having with LLD in Zig when linking MachO binaries and shared libraries. My main goal is for zld to alleviate those issues ensuring seamless cross-compilation to both Intel and Apple Silicon platforms in Zig.
- wasmtime-zig, a Zig embedding of wasmtime, a toy project that allows you run Wasm/WASI from within your Zig code by embedding the wasmtime runtime.
- wasmtime, a Wasm and WASI runtime curated by the Bytecode Alliance community, where I contributed and maintained the Rust implementation of the WASI spec, and also contributed a little to the fantastic cap-std library - a capability-based approach at Rust's libstd.
- WASI, or WebAssembly System Interface, where I worked on the spec as well as the tooling such as witx.
Posts
- iOS DX with Zig: demo at Zig Milan meetup
- Hot-code reloading on macOS/arm64 with Zig - part 2: entitlements
- Hot-code reloading on macOS/arm64 with Zig
- Disable ASLR when debugging with LLDB on macOS
- Thread-local storage, LLVM, and Apple Silicon: What can go wrong?
- Stubbing out WASI manually in Rust
- Porting projects to WASI: the flite program
- The ECB art!
- C++ short stories: type traits, concepts, and type constraints
- Conway's Game of Life
- Example of streaming data from the database using Persistent and Conduit libraries in Haskell
- Unconstrained nonlinear programming: Nelder-Mead Simplex algorithm
- Constrained nonlinear programming: interior penalty methods
- Constrained nonlinear programming: exterior penalty methods
- Circumventing PDF conversion issues on Manuscript Central
- Lazy evaluation in Python
- Watery electronics (or how my Macbook Air survived drowning in water)
Huge thanks to the Zig Software Foundation and my sponsors
I'd like to extend my thanks to the Zig Software Foundation for making me a full-time individual contractor. Thank you!