"Jonathan M Davis" <jmdavisp...@gmx.com> wrote in message news:mailman.1222.1368325870.4724.digitalmar...@puremagic.com... > The big problem is when you need to compile > the compiler. You have a circular dependency due to the compiler depending > on > itself, and have to break it somehow. As long as newer compilers can > compiler > older ones, you're fine, but that's bound to fall apart at some point > unless > you freeze everything. But even bug fixes could make the old compiler not > compile anymore, so unless the language and compiler (and anything they > depend > on) is extremely stable, you risk not being able to compile older > compilers, > and it's hard to guarantee that level of stability, especially if the > compiler > is not restricted in what features it uses or in what it uses from the > standard library. > > - Jonathan M Davis
My thought was that you ensure (for the foreseeable future) that all D versions of the compiler compile with the most recent C++ version of the compiler.
