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

[Edward Diener]

On 4/30/2015 11:05 PM, Yaron Keren wrote:
> Run "g++ -v -E -" to get the include paths.

Thanks !

Any chance that clang can be changed in the near future to understand 
the mingw64 directory structure as well as mingw. After all mingw64 on 
Windows is just as, if not more, popular than mingw and comes out with 
updates to the latest vesions of gcc well before mingw.

>
>
>
> 2015-05-01 4:55 GMT+03:00 Edward Diener <eldlistmailingz at tropicsoft.com
> <mailto:eldlistmailingz at tropicsoft.com>>:
>
>     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>
>         <mailto: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.
>
>
>
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