Lots of "deprecated" messages when compiling using brms with cmdstanr

Interfaces brms
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1

Hello people, I’m getting a lot of message from the compiler using cmdstanr with brms on a Mac M1. It’s few months I don’t use brms and don’t remember having these messages. I’m on MacOs 13.5.1.

Nevertheless the model samples (albeit with bad performance, but that may be unrelated).

In file included from /var/folders/nl/mxlrkmgs33ndcl69sy03qx0r0000gn/T/Rtmp0cx0jE/model-179b557243f69.hpp:1:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/src/stan/model/model_header.hpp:4:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/stan/math.hpp:19:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/stan/math/rev.hpp:10:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/stan/math/rev/fun.hpp:200:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/stan/math/prim/functor.hpp:16:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/stan/math/prim/functor/integrate_ode_rk45.hpp:6:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/stan/math/prim/functor/ode_rk45.hpp:9:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/lib/boost_1.78.0/boost/numeric/odeint.hpp:76:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/lib/boost_1.78.0/boost/numeric/odeint/integrate/observer_collection.hpp:23:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/lib/boost_1.78.0/boost/function.hpp:30:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/lib/boost_1.78.0/boost/function/detail/prologue.hpp:17:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/lib/boost_1.78.0/boost/function/function_base.hpp:21:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/lib/boost_1.78.0/boost/type_index.hpp:29:
In file included from /Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/lib/boost_1.78.0/boost/type_index/stl_type_index.hpp:47:
/Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/lib/boost_1.78.
0/boost/container_hash/hash.hpp:132:33: warning: 'unary_function<const std::error_category *, unsigned long>' is deprecated [-Wdeprecated-declarations]
        struct hash_base : std::unary_function<T, std::size_t> {};
                                ^
/Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/lib/boost_1.78.0/boost/container_hash/hash.hpp:692:18: note: in instantiation of template class 'boost::hash_detail::hash_base<const std::error_category *>' requested here
        : public boost::hash_detail::hash_base<T*>
                 ^
/Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/lib/boost_1.78.0/boost/container_hash/hash.hpp:420:24: note: in instantiation of template class 'boost::hash<const std::error_category *>' requested here
        boost::hash<T> hasher;
                       ^
/Users/angelodambrosio/.cmdstan/cmdstan-2.33.1/stan/lib/stan_math/lib/boost_1.78.0/boost/container_hash/hash.hpp:551:9: note: in instantiation of function template specialization 'boost::hash_combine<const std::error_category *>' requested here
        hash_combine(seed, &v.category());
        ^

/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__functional/unary_function.h:23:29: note: 'unary_function<const std::error_category *, unsigned long>' has been explicitly marked deprecated here
struct _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 unary_function
                            ^
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__config:825:41: note: expanded from macro '_LIBCPP_DEPRECATED_IN_CXX11'
#    define _LIBCPP_DEPRECATED_IN_CXX11 _LIBCPP_DEPRECATED
                                        ^
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__config:810:49: note: expanded from macro '_LIBCPP_DEPRECATED'
#      define _LIBCPP_DEPRECATED __attribute__((deprecated))
                                                ^
2

It’s safe to just ignore these. Hopefully we can suppress them in future CmdStan releases.

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