[ccache] Support for -fprofile-generate, -fprofile-use, -fprofile-arcs

[Joel Rosdahl]

On 2011-08-15 15:58, Chris AtLee wrote:
> Assuming -fprofile-generate/-fprofile-use also work on windows, that
> code shouldn't be ifdef'ed out. Instead I need an equivalent to
> x_realpath for windows (or windows support for x_realpath).

Right. I'm blissfully ignorant about Windows APIs; does anyone else have
a clue? I guess that we could just skip canonicalizing the path on
Windows as a work-around.

-- Joel