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From: John Torjo (john.lists_at_[hidden])
Date: 2004-01-26 02:55:23

Hartmut Kaiser wrote:

> John Torjo wrote:
>>Again, I'm pretty frustrated that some libraries have source
>>files that
>>need to be compiled separately (using bjam).
>>I was thinking that we could have a directory '/boost/impl', and each
>>library that has sourse files could have an .hpp file that
>>includes all
>>of its source files (that would normally need to be compiled
>>This way, any user, even not having bjam, can include the
>>of a library, as simple as:
>>// this is included in ONLY one source file
>>#include <boost/impl/filesystem.hpp>
>>As a regular user, I'd rather have the above, than having to
>>use bjam to
>>build a library.
>>If people agree, I volunteer to create the /boost/impl
>>directory for all
>>the libraries that now need to be compiled separately,
>>somewhere this week.
> That's not always reasonable.
>>From the point of view of the Wave library (I file a review request
> shortly), certainly you _can_ include all of the library at once, but this
> would raise compilation times up to hours! That's why Wave contains several
> source files, which only purpose is to separate certain template
> instantiation into it's own translation unit. For the average user
> compilation time drops drastically this way.

I must have mis-explained something.
The user should include the implementation ONLY IN ONE TRANSLATION UNIT.
It's like compiling the source files separately.


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