r253898 - Driver: fallback to the location of clang if no sysroot,

[Ismail Donmez via cfe-commits]

On Tue, Nov 24, 2015 at 12:43 PM, Martell Malone
<martellmalone at gmail.com> wrote:
>> This breaks mingw support on openSUSE :
>
> My first question is why on SUSE is clang installed in /opt while mingw-w64
> in /usr?

Well this is a custom clang it can be anywhere. Official one is in /usr.

>> x86_64-w64-mingw32-gcc is in $PATH, and this used to work fine before
>> this commit.
>
> It doesn't look for gcc on linux that is a windows host only thing.
> It didn't do that before this commit also.
> SUSE was just lucky because we hard coded /usr as the base path.

This is not a SUSE only thing, afaik Fedora has the same setup.

> I don't like the idea of hard coding for just a single distro so I think
> We could optionally do some search for "x86_64-w64-mingw32-gcc" on non
> windows hosts
> Just like we do for "gcc" on windows hosts.
> This should fix SUSE while maintaining the new more reasonable search
> pattern.

Why not hardcode /usr for Linux hosts?

Thanks,
ismail