[ccache] Implemented x_realpath on windows and make master compile on windows again.

[Patrick von Reth]

This will also increase the required mingw version.
I have build it with mingw-w64 crt and headers version 3b but 2.0 should be
enough.

On 31 July 2012 14:58, Patrick von Reth <patrick.vonreth at gmail.com> wrote:

> Hi
>
> I implemented x_realpath on windows to make the curent version compile on
> windows again.
> But with the patch you will nead atleast Windows Wista, it won't work on
> windows XP anymore.
> Thats also the reason why you need to put
> "
> #define _WIN32_WINNT 0x0600
> "
> In the config.h
>
> I tried to add
> "
>
>
> AC_CANONICAL_HOST
>
> case $host in
>   *mingw32* | *cygwin* | *wince* | *mingwce*)
>     AC_DEFINE(_WIN32_WINNT,0x0600,
>               We require at least Windows Vista)
> esac
>
> "
>
>  to the configure.ac but always got configure: error: cannot run /bin/sh /q/ccache-src/config.sub maybe you can find a better way.
>
>
> Cheers
>
>
> Patrick
>
>