[cfe-dev] New warning for mismatched include case

[Jordan Rose]

On Jul 28, 2012, at 5:51 AM, Ruben Van Boxem <vanboxem.ruben at gmail.com> wrote:

>> I apologize for the delay. I think that it should be fairly trivial to detect which headers come from the SDK by looking in the registry for the path to the SDK. Maybe clang already supports this somewhere? I'm not very Windows savvy myself but I'm willing to take a crack at this if nobody else steps forward with more specific information.
>> 
> 
> This is unacceptable for MinGW, which uses no registry, but the same header names (but obviously different implementation). The MinGW(-w64) headers are all lower-case, some of the Windows SDK headers are capitalized. There is no way to detect the difference, and there is no "right" capitalization for these.
> 
> This feature also has an effect on cross-compilation, where a Linux to Windows cross-compile will work case sensitive, a native Windows compile will not. 
> 
> Ruben

It /is/ a warning, not an error. Maybe it can be off by default on Windows and on case-sensitive filesystems?