Add tests for link.jam.  Fix timestamp/dependency problem that made symlinks cause unnecessary rebuilds on Windows.

git-svn-id: http://svn.boost.org/svn/boost/trunk@86709 b8fc166d-592f-0410-95f2-cb63ce0dd405
[geometry] Add guidelines for developers and maintainers (not yet generated into docs). Content moved from http://trac.osgeo.org/ggl/wiki/Developer/Guidelines

git-svn-id: http://svn.boost.org/svn/boost/trunk@86710 b8fc166d-592f-0410-95f2-cb63ce0dd405
Add comments and fixes to FPU flags manipulation.

git-svn-id: http://svn.boost.org/svn/boost/trunk@86711 b8fc166d-592f-0410-95f2-cb63ce0dd405
Fixed #9356

git-svn-id: http://svn.boost.org/svn/boost/trunk@86712 b8fc166d-592f-0410-95f2-cb63ce0dd405
Fixed #9356

git-svn-id: http://svn.boost.org/svn/boost/trunk@86713 b8fc166d-592f-0410-95f2-cb63ce0dd405
Thread: use PP only if MSVC not defined, until I can debug it.

git-svn-id: http://svn.boost.org/svn/boost/trunk@86714 b8fc166d-592f-0410-95f2-cb63ce0dd405