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From: Daryle Walker (darylew_at_[hidden])
Date: 2001-10-22 13:16:44

Supposedly, some compilers (Comeau?) are going to support "export" soon.
Maybe we could support it like this:

* Use a BOOST_NO_EXPORT config macro for compilers that can't support
"export". This is currently every compiler, but we can't use the reverse
test since "export" is supposed to be standard.

* Consider going to a centralized mandatory-source directory, to ease
using "export" headers. Let's call this directory $BOOST_ROOT/boost_src.
If a compiler doesn't support "export", a header could end with:

#include <boost_src/crc.cpp>

otherwise, the user has to include the *.cpp file in the project makefile
like regular non-template source files. Having a centralized directory is
better than having to pick out directories all over the "libs" hierarchy.

* Compilers that don't support "export" may not even handle the word
showing up in a declaration or definition. Maybe we should do something
like BOOST_NESTED_TEMPLATE to safely mark declarations:


* The latest release of Spirit (1.2.1) is an example of where the *.ipp
files could transition to this new model. The existing mandatory source
files could transition to this model too.


Daryle Walker
Mac, Internet, and Video Game Junkie
darylew AT mac DOT com

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