The file must be named exactly baserom.us.z64 (or baserom.jp.z64 / baserom.eu.z64 depending on your region).
If you have the wrong version (e.g., the PAL or Japanese versions), the build scripts will usually error out and inform you of the mismatch. baseromusz64 link
refers to the exact ROM file required by a compiler to build a playable PC port or a modified version of the game. baseromusz64 link or file correctly, follow this guide: 1. Identify the Correct ROM The file name baserom.us.z64 The file must be named exactly baserom
Place this file in the root directory of your repository or builder folder (e.g., inside the sm64pc or sm64ex folder). Quick Setup Guide (Common Platforms) 1. PC / Linux / Raspberry Pi the PAL or Japanese versions)