Re: [Boost-build] [BBv2] Pre-compiled header (PCH) support

From: Reece Dunn (msclrhd_at_[hidden])
Date: 2005-11-20 14:06:37

Alexey Pakhunov wrote:
> Reece Dunn wrote:
> 
>>> I have attached a patch to add PCH support to the msvc toolset. This 
>>> is most likely the most complex toolset to get PCH support on, so 
>>> extending this for other toolsets should be trivial.
> There is one more problem. If a target that uses PCH depends on another 
> target using PCH the top most one gets two <pch-header> and two 
> <pch-file> properties - one from each target. For example:

Argh!

> I'm trying to find a way to remove <pch-xxx> properties from usage 
> requirements of LIB, SHARED_LIB, EXE and  such targets. Maybe there is a 
> better way of doing it.

I am going to have a look into it. I am building up a set of test cases 
to test the PCH logic, so as to not break any functionality.

- Reece