Re: [Openexr-devel] Compiling with gcc4.0.1 - compilation error and fix

[Florian Kainz]

Thank you for pointing this out.  I think this is a bug in
gcc 4.0.1; you should probably report it to the gcc maintainers.

Florian


Jeff Clifford wrote:
> Hi,
>
> I have just tried compiling the openEXR lib and tools using gcc4.0.1. 
> Whereas gcc4.0.0 gives no errors I got the following one with gcc4.0.1:
>
> ../OpenEXR-1.2.2/exrmaketiled/Image.h:59: error: expected `)' before ‘&’ 
> token
> ... other errors ...
> gmake[1]: *** [Image.o] Error 1
>
> It seems gcc 4.0.1 is a bit more pedantic in its checking than gcc 4.0.0:
>
> If anyone else gets this error it can be fixed by adding a class forward 
> declaration in OpenEXR-1.2.2/exrmaketiled/Image.h
>
> ....
>
> #include <map>
>
> class Image; <--------------- ********* Add this line ***********
>
> class ImageChannel
> {
> public:
>
> friend class Image;
>
> ImageChannel (Image &Image);
> virtual ~ImageChannel();
>
> virtual Imf::Slice slice () const = 0;
>
> Image & image () {return _image;}
> const Image & image () const {return _image;}
>
> private:
>
> virtual void resize (int width, int height) = 0;
>
> Image & _image;
> };
>
> ....
>
>
>
>
> Jeff Clifford.
>
> Double Negative.
>
>
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