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Re: RFC - Remove support for PCH post 4.8
On Nov 27, 2012, at 5:16 PM, Xinliang David Li <davidxl@google.com> wrote:
>>>> Removing PCH will give us more implementation freedom for the memory
>>>> management project
>>>> (http://gcc.gnu.org/wiki/cxx-conversion/gc-alternatives).
>>>
>>> One of the arguments put forward to advocate the transition to C++ was the
>>> competition. Where do the other compilers stand when it comes to PCHs?
>>
>
>> Clang has fantastic support for PCH... and soon modules.
>
> Are they sharing some implementations?
Yes, absolutely. In the GCC terminology, both use a "streaming" approach for writing out code, and a lot of the mechanics of that streaming logic are similar. Modules adds a bunch of additional logic on top of what PCH uses though.
-Chris