Hi there, I would like to experiment with gcc 4.5 while keeping my current gcc 4.4.3 installed. I am happy for all the current binaries and libraries (of 4.4.3) to be found by default. I only want to try compiling some toy programs with gcc 4.5. I guess this will involve passing some custom -prefix to ./configure when I compile gcc 4.5 and then perhaps something like "/path/to/4.5/gcc --sysroot=/path/to/gcc myprog.c". Can anyone help me with specifics here? Cheers, Alex