compilation failure in 64-bit mode linux system

I tried installing Rosetta 2.3 but failed. I think it has something to do with gcc setting for 64bit OS. Installing Rosetta 3.1 went well. Instead of using make gcc, I used scone.

> Hi, I am a new user. I tried to install rosetta++ into my 64-bit mode system.
>
> Everything worked fine until I typed “make gcc”. The following appeared:
>
> g++ -c -I. -Isrc -Iexternal/include -Isrc/platform/linux -Wall -W -pedantic -Wno
> -unused-variable -pipe -ffor-scope -fno-exceptions -malign-double -ffast-math –
> funroll-loops -finline-functions -finline-limit=20000 -DNDEBUG -O3 -s -std=c++98
> -MMD -MT .gcc.version_rosetta.d -MF .gcc.version_rosetta.d -MP version_rosetta.
> cc -o .gcc.version_rosetta.o
> version_rosetta.cc:1: error: -malign-double makes no sense in the 64bit mode
> make: *** [.gcc.version_rosetta.o] Error 1
>
>
>
> Is this because the version cannot work for 64-bit mode system or what?
>
> Please help me out.
>
> Thank you very much.
>
>