RFC/Ada: removal of $(ADAC) support

[Zack Weinberg]

kenner@vlsi1.ultra.nyu.edu (Richard Kenner) writes:

>     The systems under discussion ship a "gnatgcc" based on GCC 2.8, but a
>     "gcc" based on GCC 2.9x.  This was done for very good reason, that GCC
>     2.8 worked fine for Ada but silently miscompiled C source code on at
>     least one architecture that that system supports.  Second-guessing the
>     system integrator in that scenario, by forcing CC to gnatgcc, would
>     raise the risk of bootstrap failure due to a bug in the host compiler.
>
> This isn't something we have to "guess" about.  Has anybody tried the
> experiment of bootstrapping starting with that compiler? 

I can't answer this, I only have convenient access to boring platforms
like x86 and sparc.  The problems with 2.8 that I know about were with
arm, mips, etc.

zw