> It requires a new version of g++ and glib++ and I am
> having trouble building those in a way that allows
> the netbsd-1.0 versions to still work...I'm just not
> willing to replace my working compiler with the latest
> version...

gcc/g++ default into /usr/local/bin; then remove any link for `c++'
(gcc doesn't install a link to cc). The new gcc/g++ `gcc' and `g++'.
The system compilers will be known as `cc' and `c++'.

Works fine for me.