This option attempts to make the compiler compatible with a particular version of GCC.
a decimal number denoting the version of GCC that you are attempting
to make the compiler compatible with.
Currently, the maximum supported value for
armcc v4.0 and later is
40400, that is gcc 4.4.
Although version numbers larger than this are permitted, armcc treats
them the same as
This option is for expert use. It is provided for dealing with legacy code. You are not normally required to use it.