what is the equivalent of -xM1(solaris compiler option) in gcc

[Jonathan Wakely]

On 28 March 2013 10:17, nagarjun wrote:
> I'm porting the C++ code from solaris to Linux.
>
> Can anybody tell me what is the gcc equivalent of solaris -xM1 option.
>
> In brief I have to replace */opt/SUNWspro/bin/CC -xM1* with *g++ with
> equivalent option*

It would help if you say what that option does for the Solaris compiler.