* installing *source* package ‘RcppXsimd’ ...
** this is package ‘RcppXsimd’ version ‘7.1.6-1’
** package ‘RcppXsimd’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C++ compiler: ‘Apple clang version 17.0.0 (clang-1700.6.3.2)’
using SDK: ‘MacOSX26.2.sdk’
clang++ -mmacos-version-min=26 -std=gnu++20 -I"/Users/ripley/R/cxx20/include" -DNDEBUG -I../inst/include -I'/Users/ripley/R/Library/Rcpp/include' -isystem /opt/R/arm64/include    -fPIC  -g -O2 -Wall -pedantic -Wconversion -Wno-sign-conversion   -c RcppXsimd.cpp -o RcppXsimd.o
In file included from RcppXsimd.cpp:1:
In file included from ../inst/include/xsimd/xsimd.hpp:12:
In file included from ../inst/include/xsimd/memory/xsimd_alignment.hpp:13:
../inst/include/xsimd/memory/xsimd_aligned_allocator.hpp:72:70: error: no type named 'const_pointer' in 'std::allocator<void>'
   72 |         pointer allocate(size_type n, typename std::allocator<void>::const_pointer hint = 0);
      |                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
../inst/include/xsimd/memory/xsimd_aligned_allocator.hpp:173:44: error: no type named 'const_pointer' in 'std::allocator<void>'
  173 |             typename std::allocator<void>::const_pointer) -> pointer
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
In file included from RcppXsimd.cpp:1:
In file included from ../inst/include/xsimd/xsimd.hpp:14:
In file included from ../inst/include/xsimd/types/xsimd_traits.hpp:15:
In file included from ../inst/include/xsimd/types/xsimd_types_include.hpp:53:
In file included from ../inst/include/xsimd/types/xsimd_neon_conversion.hpp:15:
../inst/include/xsimd/types/xsimd_neon_int64.hpp:484:40: warning: implicit conversion loses integer precision: 'int64_t' (aka 'long long') to 'int' [-Wshorten-64-to-32]
  484 |         return detail::shift_left(lhs, rhs);
      |                ~~~~~~                  ^~~
../inst/include/xsimd/types/xsimd_neon_int64.hpp:489:41: warning: implicit conversion loses integer precision: 'int64_t' (aka 'long long') to 'int' [-Wshorten-64-to-32]
  489 |         return detail::shift_right(lhs, rhs);
      |                ~~~~~~                   ^~~
In file included from RcppXsimd.cpp:1:
In file included from ../inst/include/xsimd/xsimd.hpp:14:
In file included from ../inst/include/xsimd/types/xsimd_traits.hpp:15:
In file included from ../inst/include/xsimd/types/xsimd_types_include.hpp:66:
../inst/include/xsimd/types/xsimd_neon_uint64.hpp:507:40: warning: implicit conversion loses integer precision: 'int64_t' (aka 'long long') to 'int' [-Wshorten-64-to-32]
  507 |         return detail::shift_left(lhs, rhs);
      |                ~~~~~~                  ^~~
../inst/include/xsimd/types/xsimd_neon_uint64.hpp:512:41: warning: implicit conversion loses integer precision: 'int64_t' (aka 'long long') to 'int' [-Wshorten-64-to-32]
  512 |         return detail::shift_right(lhs, rhs);
      |                ~~~~~~                   ^~~
In file included from RcppXsimd.cpp:8:
In file included from /Users/ripley/R/Library/Rcpp/include/Rcpp.h:50:
/Users/ripley/R/Library/Rcpp/include/Rcpp/Language.h:192:81: warning: implicit conversion loses integer precision: 'R_xlen_t' (aka 'long') to 'int' [-Wshorten-64-to-32]
  192 |         unary_call( Language call_, R_xlen_t index ) : call(call_), proxy(call_,index){}
      |                                                                     ~~~~~       ^~~~~
/Users/ripley/R/Library/Rcpp/include/Rcpp/Language.h:209:101: warning: implicit conversion loses integer precision: 'R_xlen_t' (aka 'long') to 'int' [-Wshorten-64-to-32]
  209 |         binary_call( Language call_, R_xlen_t index1, R_xlen_t index2 ) : call(call_), proxy1(call_,index1), proxy2(call_,index2){}
      |                                                                                        ~~~~~~       ^~~~~~
/Users/ripley/R/Library/Rcpp/include/Rcpp/Language.h:209:123: warning: implicit conversion loses integer precision: 'R_xlen_t' (aka 'long') to 'int' [-Wshorten-64-to-32]
  209 |         binary_call( Language call_, R_xlen_t index1, R_xlen_t index2 ) : call(call_), proxy1(call_,index1), proxy2(call_,index2){}
      |                                                                                                              ~~~~~~       ^~~~~~
In file included from RcppXsimd.cpp:8:
In file included from /Users/ripley/R/Library/Rcpp/include/Rcpp.h:79:
In file included from /Users/ripley/R/Library/Rcpp/include/Rcpp/sugar/sugar.h:31:
In file included from /Users/ripley/R/Library/Rcpp/include/Rcpp/sugar/functions/functions.h:59:
/Users/ripley/R/Library/Rcpp/include/Rcpp/sugar/functions/head.h:34:68: warning: implicit conversion loses integer precision: 'R_xlen_t' (aka 'long') to 'int' [-Wshorten-64-to-32]
   34 |         Head( const VEC_TYPE& object_, R_xlen_t n_ ) : object(object_), n(n_) {
      |                                                                          ~^~
8 warnings and 2 errors generated.
make[1]: *** [RcppXsimd.o] Error 1
clang++ -mmacos-version-min=26 -std=gnu++20 -I"/Users/ripley/R/cxx20/include" -DNDEBUG -I../inst/include -I'/Users/ripley/R/Library/Rcpp/include' -isystem /opt/R/arm64/include    -fPIC  -g -O2 -Wall -pedantic -Wconversion -Wno-sign-conversion   -c RcppExports.cpp -o RcppExports.o
clang++ -mmacos-version-min=26 -std=gnu++20 -I"/Users/ripley/R/cxx20/include" -DNDEBUG -I../inst/include -I'/Users/ripley/R/Library/Rcpp/include' -isystem /opt/R/arm64/include    -fPIC  -g -O2 -Wall -pedantic -Wconversion -Wno-sign-conversion   -c FeatureDetector/cpu.cpp -o FeatureDetector/cpu.o
make[1]: Target `all' not remade because of errors.
ERROR: compilation failed for package ‘RcppXsimd’
* removing ‘/Users/ripley/R/packages/tests-CXX20/RcppXsimd.Rcheck/RcppXsimd’