[cfe-dev] Building clang on Windows targeting gcc problem

[Edward Diener]

On 4/30/2015 9:33 PM, Yaron Keren wrote:
> clang does not know the mingw64 directory structure. There is a patch in
> Phabricator regarding this:
>
> http://reviews.llvm.org/D5268

I do not understand this patch, or Phabricator. I do not understand 
where the patch is on the url listed or to what it is supposed to be 
applied.

>
> or you can manually use -isystem.

What are the -isystem paths I need for mingw64 to compile using clang 
successfully ?

>
>
> 2015-05-01 3:46 GMT+03:00 Edward Diener
> <eldlistmailingz at tropicsoft.com
> <mailto:eldlistmailingz at tropicsoft.com>>:
>
>     I am using cmake and ninja to build clang on Windows targeting gcc.
>
>     If I use the latest release of mingw/gcc, which is 4.8.1-4
>     everything works properly.
>
>     If I use the latest release of mingw64/gcc, which is 4.9.2-2 the
>     build completes buit when I try to compile source code I get:
>
>     fatal error: 'cstddef' file not found
>
>     Is there some reason why on Windows mingw works but mingw64 does not
>     ? Naturally I would want to use the latest gcc release on Windows
>     rather than an earlier one.