General options

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#### 5.1.1 General options

-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)

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