What are build rules
Build rules are used to compile each file in a project.
Global and Project build rules can be modified. New build rules can be created.
Build rules are grouped into the following hierarchy: 
- Project - If relevant build rule found under Project, it is used.
 - Specific - If no relevant build rule is found under Project, then relevant build rule under Specific is used.
 - Global - if no relevant build rule is found under Project or Specific, then relevant build rule under Global is used.
 - Default - if no relevant build rule is found under Project, Specific, or Global, then relevant Default build rule is used.
 
Only one build rule can be active for a specific file type.
Access the Build Rules dialog using , or right-click on the Project view and select Edit Build Rules.