[TUHS] Mac OS X is Unix
elbingmiss at gmail.com
Wed Jan 4 20:04:37 AEST 2017
Not. Plan 9 developed a significant dependency of its original compilers.
Plan 9 cc is a caller compiler so main parts of the code couldn't work now
adapted in Harvey for gcc, clang and icc (intel) that are all callee. But
it's not a C problem, it's a compiler issue. Probably with Steve's pcc you
could too. Nerver tried, but it could be a good experiment.
At the end is extremely difficult not to be at any point toolchain
dependent, if Plan 9 original compilers could be improved enough to build
an standard ANSI program out of the tree (they are strongly dependent of
Plan 9 environment), also the Plan 9 code, that way you're suggesting would
Anyway, for that, you wouldn't need any preprocessor code, also you
needen't to build amd64 or riscv with the same sources.
El 04/01/2017 10:12, "Tim Bradshaw" <tfb at tfeb.org> escribió:
> So, can you build the system with both C11 compiler and its older
> compiler, from the same sources (so, no keeping two copies of the same
> functionality and selecting at build time based on the compiler)? If you
> can I'm impressed.
> > On 4 Jan 2017, at 00:12, ron minnich <rminnich at gmail.com> wrote:
> > Well, if by single-implementation, you mean single-compiler, I have a
> counter example: Harvey is Plan 9 with just enough changed to be C11
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