Ok, Yes it's from the binary and I will instal from the source, I did it 
before.

  Thank you, Rachid Ayad

On Tue, 11 Jan 2011, Steven J. Yellin wrote:

>    I don't know where the website says the latest version of ROOT should go 
> with gcc-4.3, but if it does say that, it's probably referring to the 
> binaries.  The instructions for building and installing from source are easy 
> to follow, and I expect will work with gcc-4.1.
>
> Steven Yellin
>
> On Tue, 11 Jan 2011, Rachid Ayad wrote:
>
>> Hello, I would like to install ROOt in sl5.5 and the ROOT website says that 
>> the latest version of ROOT should go with gcc-4.3 but SL5.5 only provides 
>> gcc-4.1.
>> 
>> Thank you, Rachid.
>> 
>