# `fud`: The Calyx Build Tool Reimplementation of the [fud][] compiler driver for Calyx. ### Installation To install from source, run the following from `calyx/fud2`: ``` cargo install --path . ``` This will install the binary `fud2` to the default `cargo` binary location. ### Configuration The minimal required configuration requires setting the `calyx.base` key so that `fud` knows where the Calyx compiler is. Open the configuration file by running: ``` fud edit-config ``` Add the path to the location of the Calyx compiler: ```toml [calyx] base = "" ``` [fud]: https://docs.calyxir.org/fud/index.html