Default installation directory for include files when cross compiling

[Gabriel Dos Reis]

On Fri, 16 Jun 2006, Mark Mitchell wrote:

| base, or if some of the targets are configured differently, as was
| mentioned in the follow-up to my posting.

that is why I mentioned that Joseph had a patch (which I think was
applied), to move target-dependent headers into properly "scoped"
include directories.

[...]

| If we reverse the default, we already have the option you want:
| --with-gxx-include-dir.

OK.

-- Gaby