bug#53325: povray: Fails to build (_Pragma errors)

[Ivan Vilata i Balaguer]

Ivan Vilata i Balaguer (2022-01-26 22:57:18 +0100) wrote:

> Ivan Vilata i Balaguer (2022-01-17 20:58:40 +0100) wrote:
> 
> > Hi!  When trying to upgrade package `povray 3.7.0.8` from Guix commit
> > `404f6953` to that of commit `4a943cfd`, the build fails showing errors like
> > these: […]
> 
> I found what looks like the same issue reported in
> <https://github.com/POV-Ray/povray/issues/438>.
> 
> As a commenter suggested, I succeeded to build the package using Boost 1.78,
> […]  BTW, this is where I think they fixed the Boost issue for 1.78:
> <https://github.com/boostorg/math/pull/676/files>

So I tried to create a patch (attached) which just drops the fixed version of
`header_deprecated.hpp` from Boost 1.78 [1] in Povray's `source` directory,
since that include path has priority over the profile's Boost one during
build.  I tried building with:

    $ guix build povray 
--with-patch=povray=./povray-fix-boost-1.77-math-tools-pragma.patch
    […]
    /gnu/store/mp687jry3rb96ff3jbaijibz4klhjicd-povray-3.7.0.8

So it built successfully.

[1]: 
https://github.com/boostorg/math/blob/boost-1.78.0/include/boost/math/tools/header_deprecated.hpp

Thus, the patch may be applied until Boost is upgraded to 1.78, at which point
it can be removed.

Thanks!

-- 
Ivan Vilata i Balaguer -- https://elvil.net/

povray-fix-boost-1.77-math-tools-pragma.patch
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