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).