Pierre Léonard <pierre.leonard@xxxxxxxxxxxx> writes: >> You are compiling 4.5.0. Where did this option come from: >> >> -I/usr/local/gcc/include/c++/4.4.4 >> >> Is it present in your environment or on your configure line? >> > This option come from my environnement and give access to the c++ > headers installed by "make install" > > I work in a "sand box" to avoid disturbing the work of the "biologiste". > So in fact the compiler is installed un my home directory and I give > accesse to it with symbolic links. Then when the release is declared > stable I just have to change the "/usr/local/gcc" symlinks. > > And it works except for the gcc450 > > Maybe I am wrong with that. There's nothing wrong with doing that, but it's not going to work to build gcc 4.5.0 with a -I option which points to gcc 4.4 header files. Ian