On Fri, Jul 13, 2018 at 6:12 PM, Bill Gunshannon via cctalk < cctalk@classiccmp.org> wrote:
> > > On 07/13/2018 02:32 PM, Paul Koning via cctalk wrote: > > Gentlepeople, > > > > Once in a while people ask about GCC. It has long had pdp11 support, > but it hasn't received much attention. Recently I've done some cleanup on > it, and some more is in the pipeline. > > > > One notable new feature is that it can now produce proper DEC Macro-11 > syntax output. It has long had a -mdec-asm switch, but that used to > produce GNU output. Now it produces DEC output (and -mgnu-asm is how you > get output for "gas".) > > > > The optimizer is better, and a bunch of compiler failures are fixed. > Undoubtedly there are more bugs to be worked on. > > > > Oh yes, for grins I told GCC to build not just a C compiler but a C++ > and Fortran compiler as well. That seems to work (but I get an error > building the libstdc++ library). I now have C++ translations of the RSTS > standard header files common.mac and kernel.mac, and the DECnet definitions > in netdef.sml. :-) > > > > If anyone wants to give this a try, the best way is to get the current > code via Subversion (see gcc.gnu.org for details). Alternatively, get a > weekly snapshot; the DEC support is in the current latest, though some > optimizer work will appear in the next one. > > > > > > I am going to have to take a look at this. I have been meaning > to dig out a really old version of GCC because I thought they > removed all the PDP-11 stuff ages ago. This could be fun again. > Can it build interesting things like V7 and/or 2BSD? Warner
