zigwasm / wasmtime-zig

Zig embedding of Wasmtime

wasmtime-zig

Zig embedding of Wasmtime

Disclaimer

This is a very much work-in-progress library so drastic changes to the API are anything but expected, and things might just not work as expected yet.

Building

To build this library, you will need Zig nightly 0.8.0, as well as gyro package manager.

This library consumes the C API of the Wasmtime project which you can download with every release of Wasmtime. It relies on version v0.24.0 of Wasmtime and you need it to build tests and examples. You can download the library from here.

After you unpack it, if you installed the lib in path that is not your system search path for lld, you can add the installed path to the build command using the following flag

gyro build --search-prefix=<path-to-libwasmtime>

Running examples

simple.zig

The simple.zig example is equivalent to hello.c example in Wasmtime. You can run it with

gyro build run -Dexample=simple

Optionally, if you installed libwasmtime into some custom path, you can tell zig where to find it with

gyro build run -Dexample=simple --search-prefix=<path-to-libwasmtime>