I can't go in "build -> configure" menu or anything like that because all the buttons in the menu are disabled. Also, well, I can compile projects which have a configuration script and a makefile, but there's no way I can compile a SIMPLE and plain "Hello World" -like program!!! Simply I can't create new files, or I can't open existing ones. I think maybe this could be understandable for a CD based distro, because they normally don't have any compiler enabled (even if knoppix could be special, since it lets you have a persistent /home directory on your hd, if you like, even without doing the hd install). I just don't know what to do. Furthermore, if I make a simple "hello world" program, gcc gives me an error when I compile it, during the linking procedure... and g++ doesn't seem to work. BUT I can compile projects which have a makefile, with the normal procedure:
$ ./configure
$ make
$ su
$Password: <password>
# make install

I'd just like a working IDE for c++... I tried Anjuta or something else, but they all have the same problem... like if some setting were disabled globally. Jave IDE, like NetBeans, runs fine, thanks God... any clue?