Check out the settings in the solution (.sln) and project (.vcproj) files found in the FDO source folders.
Use the installation path to set up the environment so that the headers and libraries can be located at compile time, and the shared objects can be located at runtime.
Use the source path to set up the environment so that the debugger can locate program database files (symbol tables) and source files at runtime.
You can make the various files visible by either setting solution or project properties or by setting Visual Studio tool options or by setting an environment variable (PATH).
The first step for the properties method is to select the solution or project in the Solution Explorer, right-click to its pop-up menu and select Properties. The result is that the properties dialog is displayed. If the project properties dialog is displayed, the second step is to expand 'Configuration Properties' in the properties dialog contents pane.
The first step for the tool options method is to select 'Options...' from the Tools menu in the main menubar. The result is that the options dialog is displayed.