| Syntax | 
    cmp write_routing_constraints   [<file_path>] [<options>] | 
  
   
     | Arguments | 
     
       
      
             | 
             <file_path> | 
	          
             Specifies the name and path of the file in which to write the routing constraints. By default, the name and path is <project directory>/<compiler setting name>.rcf. An optional argument. | 
           
             | 
             <options> | 
	          
             Specify -USE_PRE_ROUTING_PORT_NAMES to use pre-routing port names when writing constraints. Default uses final route port names. An optional argument. | 
           
        
     | 
  
   
     Return Value  | 
        
           
      
              
        
                 
          | Code Name | 
          Code | 
          String Return | 
         
				  
              
        
                 
          | TCL_OK | 
          0 | 
           success  | 
         
		
		
				     
          | TCL_ERROR | 
          1 | 
          no project is currently open | 
         
		
		
				     
          | TCL_ERROR | 
          1 | 
          project has no active compiler settings | 
         
		
				     | TCL_ERROR | 
                 1 | 
                 
          wrong # args: should be "cmp write_routing_constraints file_path options" | 
              
		
       
      | 
         
          
            | Description | 
            
    Writes the Routing Constraints File (.rcf) of the last compilation to the specified file. |