> At the very least, write a doc that explains how to build the product, including where to find the parts in source control, what the dependencies are, what se

> At the very least, write a doc that explains how to build the product, including where to find the parts in source control, what the dependencies are, what servers it'll get installed on, and so on. ... in the form of a Jenkins build configuration. (If possible; if the system requires legacy compilers that only run on old Windows versions or a proprietary compiler for an embedded target, good luck.)