TR library extensions

[Gabriel Dos Reis]

Matt Austern <austern@apple.com> writes:

[...]

| I'm not sure I agree with Martin's suggestion that it should be governed
| by an -std=tr1 option.  My suggestion is that the TR headers go in
| include/tr1, so users can access them either with an explicit -I
| option or
| by writing things like #include <tr/types>.

Explicit -I switch is probably a good option.  It leaves the
possibility for considering whether V3 keeps installing past TR<n>
headers or not.  Some packagers might probably want to have 
-Itr1, -Itr2, etc.

-- Gaby