CXX=$CXX, like it should normally be. Usable options are:
USEPORTGCC295=YES, USEPORTGCC31=YES and USEPORTGCC32=YES
Add a lot off gcc3.x fixes, make included stlport compile with CURRENT.
Next step will be to include a mozilla build, so we can link openoffice
against mozilla librarys without c++ compat problems.
