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Re: The gcc-in-cxx branch now completes bootstrap


On Fri, Mar 6, 2009 at 8:44 PM, Ian Lance Taylor <iant@google.com> wrote:
> I'm happy to report that the gcc-in-cxx branch can now bootstrap. ?That
> is, the code in gcc proper can now be compiled with a C++ compiler.
>
> My plan going forward is as follows (when we are back in stage 1):
>
> * For each difference between trunk and gcc-in-cxx:
> ?+ Try to implement a -Wc++-compat warning which detects the change.
> ? ?- If it is possible, implement the warning, and make the changes to
> ? ? ?let gcc bootstrap with the warning.
> ? ?- If a warning is not possible for some reason, I will simply
> ? ? ?propose the change by itself. ?I expect this will be a small
> ? ? ?subset of the changes, mostly related to the build system and to
> ? ? ?low-level configuration like ansidecl.h.
> ?+ This process will eventually eliminate all differences between trunk
> ? ?and gcc-in-cxx, at which point gcc-in-cxx can be retired.
>
> * Implement a configure option, --enable-c++-build or something like
> ?that, which builds gcc with a C++ compiler.
> ?+ Start running regular builds with that option, to avoid any
> ? ?regressions in C++ buildability for cases for which there is no
> ? ?-Wc++-compat warning.
>
> * Begin the lobbying process for changing the default value of the
> ?configure option.
>
> I certainly welcome help on any of these steps.
>
> Ian
>

Hi Ian,

  This is a really fantastic job you've done.
Please send copies of your messages to my address at TAMU for
patches to implement the need -Wc++-compat so that I can review
as quickly as possible.

-- Gaby


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