Re: [boost] Breaking existing libraries

Subject: Re: [boost] Breaking existing libraries
From: Sohail Somani (sohail_at_[hidden])
Date: 2009-03-14 15:02:08

Roland Schwarz wrote:
> I have written a little perl script 'renamespace' that can be
> used to rename a namespace identifier for a single file or a whole
> project tree. The script is attached to this mail and is
> self-documenting. Just execute it with --help option to learn more.
> 
> The script has a special short-hand mode to version an entire
> boost tree. In addition it modifies two boost files: version.hpp and
> config.hpp. The first gets an additional macro BOOST_VERSIONED_NAMESPACE
> and the other is modified with a namespace alias (which can be turned
> off by the user if needed.) The net result is that it is possible
> with no change to the user code to build against this versioned
> boost tree.
> 
> One caveat: User code that needs to reopen the boost namespace
> has to reopen the versioned namespace of course. (This can be automated
> with some additional macros in the user code.) One typical case
> where this will be necessary is when using the serialization library.
> 
> I've put the script under the boost license, so if you think it is
> useful I would be glad to contribute it to the tools directory.

This is really cool. I have also had to solve this problem before. I
managed to get away with /Dboost=boost_133_1 since it was on a small
subset of Boost on a specific compiler. I will use your script next time
I have to solve this problem properly.

Please add it :-)

-- 
Sohail Somani
http://uint32t.blogspot.com