- 
-h 
 - Print a list of all options and exit.
     
 - 
-? 
 - Same as -h, waiting after each screenfull for the enter key.
     
 - 
-i 
 - Print copyright and other information. You can supply a qualifier, as -ixxx where xxx can be
     one of the following:
         
- 
     D 
 - : Returns the compiler date.
         
 - 
     V 
 - : Returns the short compiler version.
         
 - 
     W 
 - : Return full compiler version.
         
 - 
     SO 
 - : Returns the compiler OS.
         
 - 
     SP 
 - : Returns the compiler processor.
         
 - 
     TO 
 - : Returns the target OS.
         
 - 
     TP 
 - : Returns the target processor.
         
 - 
     a 
 - : Returns a list of supported ABI targets
         
 - 
     c 
 - : Returns a list of supported CPU instruction sets
                                                                            
                                                                            
         
 - 
     f 
 - : Returns a list of supported FPU instruction sets
         
 - 
     i 
 - : Returns a list of supported inline assembler modes
         
 - 
     o 
 - : Returns a list of supported optimizations
         
 - 
     r 
 - : Returns a list of recognized compiler and RTL features
         
 - 
     t 
 - : Returns a list of supported targets
         
 - 
     u 
 - : Returns a list of supported microcontroller types
         
 - 
     w 
 - : Returns a list of supported whole program optimizations
 
      - 
-l 
 - Print a line stating which program this is and its version.
     
 - 
-n 
 - Ignore the default configuration file. You can still pass a configuration file with the @ option.
     
 - 
-VNNN 
 - set the version number to NNN (appends -NNN to the binary name)