RHEL6 or CENTOS6

If the assembler (as -v) version is too old, it may not be able to generate avx2 executable : no such instruction: v2iXXXXX
Install GNU binutils
- configure --prefix=< > ; make; make install
- If makeinfo comand not found error message appears, suppress makeinfo by : make MAKINFO=true; make install MAKEINFO=true