https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69883
--- Comment #4 from Bernd Edlinger <bernd.edlinger at hotmail dot de> --- (In reply to char...@adacore.com from comment #3) > > I could understand that I can not build something form 1992 with todays > > tools, but what I do not understand conceptionally, why the host compiler > > seems to link with the target compiler's runtime, would it work as a > > cross build then? > > No, for a cross build you need an identical native compiler (same version) > to start with. > > For native you need an older (or equal) compiler. > > > Could I even get into trouble building gcc4.9 with gcc-5 as host? > > Yes. > > Arno Hmm, that's pretty awkward, especially as the same gcc-driver must understand ada and C/C++ at the same time or the build fails immediately, that forces me to have not only gnat but also C/C++ of the same build date, in binary form. Bernd.
