Re: Something has broken quickbook build

From: Peter Dimov (pdimov_at_[hidden])
Date: 2022-06-03 18:16:31

John Maddock wrote:
> I can't spot where, but something has changed in the last couple of days that
> has broken building quickbook:
> https://app.circleci.com/pipelines/github/boostorg/math/635/workflows/33c
> d9bf7-d055-4713-aab5-2e6d81b6e5dc/jobs/629
> 
> 
> ../../../boost/container_hash/hash.hpp:654:30: error: call of overloaded
> 'hash_value(const boost::filesystem::path&)' is ambiguous
>    654 |             return hash_value( val );
>        |                    ~~~~~~~~~~^~~~~~~
> ../../../boost/container_hash/hash.hpp:382:9: note: candidate: 'typename
> boost::enable_if_<((boost::hash_detail::is_range<T>::value && (!
> boost::hash_detail::is_contiguous_range<T>::value)) && (!
> boost::hash_detail::is_unordered_range<T>::value)), long unsigned int>::type
> boost::hash_value(const T&) [with T = boost::filesystem::path; typename
> boost::enable_if_<((boost::hash_detail::is_range<T>::value && (!
> boost::hash_detail::is_contiguous_range<T>::value)) && (!
> boost::hash_detail::is_unordered_range<T>::value)), long unsigned int>::type
> = long unsigned int]'
>    382 |         hash_value( T const& v )
>        |         ^~~~~~~~~~
> In file included from /root/boost-
> local/boost/tools/quickbook/src/files.hpp:18,
>                   from /root/boost-local/boost/tools/quickbook/src/files.cpp:10:
> ../../../boost/filesystem/path.hpp:1183:82: note: candidate: 'typename
> boost::enable_if<boost::is_same<T, boost::filesystem::path>, long unsigned
> int>::type boost::filesystem::hash_value(const T&) [with T =
> boost::filesystem::path; typename boost::enable_if<boost::is_same<T,
> boost::filesystem::path>, long unsigned int>::type = long unsigned int]'
>   1183 | inline typename boost::enable_if< boost::is_same< T, path >,
> std::size_t >::type hash_value(T const& p) BOOST_NOEXCEPT
> 
> 
> In point of fact, those two overloads do look genuinely ambiguous to me,
> so I'm not sure why this compiled before, or what changed to make it
> fail now?
> Ideas?

I broke it, with changes to ContainerHash. Will fix.