This commit was manufactured by cvs2svn to create branch 'aix_so'.

[SVN r13703]
Branch for aix shared linking support


[SVN r13704]
aix-shared


[SVN r13706]
Another shot at AIX shared objects


[SVN r13719]
a comment + certainty for linkflag ordering


[SVN r13722]
AIX compatibility fixes.


[SVN r13724]
use LIBPATH instead of LD_LIBRARY_PATH on AIX


[SVN r13726]
skip symbols that are too long.


[SVN r13845]
Boost.Log merged to trunk.

[SVN r83860]