Re: [Mingw-users] windows.h dependency

[Greg Chicares <gchicares@xxxxxxxxxxxxx>]

On 2008-02-02 16:49Z, NightStrike wrote:
> 
> [...] I tried individually
> compiling every header in mingw with something like this in a script
> where $file is each .h header:
> 
> #include <$file>
> int main() {return 0;}

This tests for the desirable property Lakos calls 'closure'.
I test it automatically before committing any header to my
own repository. BTW, you can test it this simpler way:
  http://article.gmane.org/gmane.comp.gnu.mingw.user/20528
| g++ -xc++ -fsyntax-only eraseme.hpp
without creating any dummy main module.

> The number of errors drops considerably when I change it to:
> 
> #include <windows.h>
> #include <$file>
> int main() {return 0;}
> 
> 
> So basically, a number of mingw headers won't compile unless windows.h
> is also included.  If those headers require windows.h, I would think
> that they should include it themselves.

I agree.

> I am assuming that I am misunderstanding something here that everyone
> sees very clearly.  Could you enlighten me?

See the last paragraph of:
  http://article.gmane.org/gmane.comp.gnu.mingw.user/25389
I think it's an ancient msw pitfall that we needn't
perpetuate, so I'd be happy if you want to fix it.

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