Step 4: Building the component project in the linked folder
Now, you'll need to tell the IDE to build Project_ComponentA in the ComponentA linked folder that you just created in your workspace.
To build the component project in the linked folder:
In the Project Explorer view, right-click Project_ComponentA, and then select Properties from the context menu.
Select C/C++ Build on the left.
In the Builder settings tab, set the build directory to ComponentA in your workspace.
Now, when you start to build Project_ComponentA, the IDE builds it in the ComponentA folder in your workspace (even though the source actually resides in a folder outside your workspace).
Linked resources let you overlap
files in your workspace, so files from one project can appear in another project. If you change a file or other resource in one
location, the duplicate resource is also affected
For example, if you delete a file in a linked folder, it's deleted and it will no longer be shown in any of the locations in which it previously appeared.
Special rules apply when working with linked resources. If you delete a linked resource from your project, the corresponding resource in the filesystem isn't also deleted because this deletes only the link. But if you delete child resources of linked folders, those child resources are deleted from the filesystem.