clipka <ano### [at] anonymousorg> wrote:
> Am 10.07.2017 um 16:10 schrieb qingshu:
> > Hello everyone:
> >  I opened project built in vs2008 in source code files to compile it. But i got
> > some error messages. I defined DISTRIBUTION_MESSAGE_2 in optout.h. There still
> > some errors like:
> > 1>d:\povray3.6\povwin-3.62\libraries\png\png.h(474) : fatal error C1083: Cannot
> > open include file: 'zlib.h': No such file or directory
> >
> >  However, the file zlib.h can be found in povwin-3.62\libraries\zlib. So, how
> > can i fix this problem. By the way, where can i find the document describing the
> > compile steps.
>
> From a quick look at the source code package, it seems to me that the VS
> 2008 project files were poorly maintained. While the `libpng.vcproj` for
> VS 2005 lists `..\..\libraries\zlib` as an additional include directory,
> the corresponding project for VS 2008 doesn't.
>
> My guess is that the dev team primarily used VS 2005 back then, and only
> tested on VS 2008 on rare occasions. An update to libPNG might have
> introduced a new dependency on ZLib, which might have gotten fixed in
> the VS 2005 libPNG project but forgotten in the one for VS 2008. I
> wouldn't be surprised if there were other pitfalls lurking in the VS
> 2008 project files.
>
> My personal recommendation would therefore be to try and convert the VS
> 2005 project files to VS 2008 (or use VS 2005 in the first place if you
> can get hold of a copy); or, if you have access to a good diff tool and
> can find your way around `.vcproj` files in a text editor, try to
> synchronize the VS 2008 project files with the VS 2005 ones.
>
>
> As an entirely different alternative, presuming you're using Windows 10,
> you might try Microsoft's "Windows Subsystem for Linux", which is
> essentially a Unix-ish command-line environment running on Windows. It
> comes with a C/C++ compiler, and since it works fine building (and
> running) POV-Ray 3.7 for Unix, chances are it might also work with a
> Unix source code package of POV-Ray 3.6. The Unix version does not come
> with a GUI though.

Thank you very much. The project in vs2005 works.

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