Re: At last: the bool problem seems to be due to omitted dependencyfrommake check*

[Tim Josling <tej at melbpc dot org dot au>]

"Joseph S. Myers" wrote:
> 
> On Sat, 1 Mar 2003, Tim Josling wrote:
> 
> > The problem I had in this case was that the system cc didn't like -fstats so
> > it failed. To me, the stdbool only seems to solve part of the problem, which
> > is that suddenly we are building part of the compiler with a wrong compiler.
> > How would this work with C++?
> 
> Both problems should be solved, but the dependency one is intrinsically
> hard to solve.  After all, if you change toplev.c, it should first rebuild
> to stage1 toplev.o with the bootstrap compiler, then relink the stage1
> compiler, then rebuild stage2 and stage3, if the dependencies are properly
> correct.  Properly correct dependencies should mean exposing all
> dependencies, between all stages, to one invocation of make, but this
> can't work because each stage needs to be built separately, with the files
> in the same location (not in the stage subdirectory), for the compare
> stage to succeed.
> 
> --
> Joseph S. Myers
> jsm28 at cam dot ac dot uk

It looks like this is not going to get fixed. How about a patch to the
install.texi to at least warn people "make sure your build is up to date, e.g.
by make quickstrap, before starting any tests"?

Tim Josling