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src/build_dependencies.md

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+# Build dependencies
+
+## macOS
+
+```sh
+xcode-select --install
+```
+
+Then, download UTHash [here](https://github.com/troydhanson/uthash/archive/master.zip), and copy the contents of the `include` folder to `/usr/local/include`:
+
+```sh
+sudo cp (/path/to/uthash-master)/include/* /usr/local/include
+```
+
+## Ubuntu/Debian
+
+```sh
+sudo apt install gcc git make uthash-dev
+```
+
+## Arch Linux
+
+```sh
+sudo pacman -S --needed gcc git make uthash
+```