* installing *source* package ‘RcppMsgPack’ ...
** this is package ‘RcppMsgPack’ version ‘0.2.4’
** package ‘RcppMsgPack’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C++ compiler: ‘clang version 23.1.0-rc2’
make[1]: Entering directory '/data/localhost/ripley/R/packages/tests-clang-trunk/RcppMsgPack/src'
/usr/local/clang23/bin/clang++ -std=gnu++20 -I"/data/localhost/ripley/R/R-clang-trunk/include" -DNDEBUG -I../inst/include -I'/data/localhost/ripley/R/test-clang/Rcpp/include' -I'/data/localhost/ripley/R/test-clang/BH/include' -isystem /usr/local/clang23/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c RcppExports.cpp -o RcppExports.o
/usr/local/clang23/bin/clang++ -std=gnu++20 -I"/data/localhost/ripley/R/R-clang-trunk/include" -DNDEBUG -I../inst/include -I'/data/localhost/ripley/R/test-clang/Rcpp/include' -I'/data/localhost/ripley/R/test-clang/BH/include' -isystem /usr/local/clang23/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c example1.cpp -o example1.o
In file included from example1.cpp:3:
In file included from ../inst/include/msgpack.hpp:10:
In file included from ../inst/include/msgpack/object.hpp:13:
In file included from ../inst/include/msgpack/object_decl.hpp:14:
In file included from ../inst/include/msgpack/v1/object_decl.hpp:14:
In file included from ../inst/include/msgpack/pack.hpp:13:
In file included from ../inst/include/msgpack/pack_decl.hpp:13:
In file included from ../inst/include/msgpack/v1/pack_decl.hpp:14:
In file included from ../inst/include/msgpack/cpp_config.hpp:13:
In file included from ../inst/include/msgpack/cpp_config_decl.hpp:13:
../inst/include/msgpack/v1/cpp_config_decl.hpp:119:16: error: no member named 'remove_volatile' in namespace 'std'
  119 |     using std::remove_volatile;
      |           ~~~~~^
In file included from example1.cpp:3:
In file included from ../inst/include/msgpack.hpp:10:
In file included from ../inst/include/msgpack/object.hpp:13:
In file included from ../inst/include/msgpack/object_decl.hpp:14:
In file included from ../inst/include/msgpack/v1/object_decl.hpp:14:
In file included from ../inst/include/msgpack/pack.hpp:13:
In file included from ../inst/include/msgpack/pack_decl.hpp:13:
In file included from ../inst/include/msgpack/v1/pack_decl.hpp:14:
In file included from ../inst/include/msgpack/cpp_config.hpp:13:
In file included from ../inst/include/msgpack/cpp_config_decl.hpp:14:
../inst/include/msgpack/v2/cpp_config_decl.hpp:71:11: error: no member named 'remove_volatile' in namespace 'msgpack::v1'
   71 | using v1::remove_volatile;
      |       ~~~~^
2 errors generated.
make[1]: *** [/data/localhost/ripley/R/R-clang-trunk/etc/Makeconf:197: example1.o] Error 1
/usr/local/clang23/bin/clang++ -std=gnu++20 -I"/data/localhost/ripley/R/R-clang-trunk/include" -DNDEBUG -I../inst/include -I'/data/localhost/ripley/R/test-clang/Rcpp/include' -I'/data/localhost/ripley/R/test-clang/BH/include' -isystem /usr/local/clang23/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c example2.cpp -o example2.o
In file included from example2.cpp:3:
In file included from ../inst/include/msgpack.hpp:10:
In file included from ../inst/include/msgpack/object.hpp:13:
In file included from ../inst/include/msgpack/object_decl.hpp:14:
In file included from ../inst/include/msgpack/v1/object_decl.hpp:14:
In file included from ../inst/include/msgpack/pack.hpp:13:
In file included from ../inst/include/msgpack/pack_decl.hpp:13:
In file included from ../inst/include/msgpack/v1/pack_decl.hpp:14:
In file included from ../inst/include/msgpack/cpp_config.hpp:13:
In file included from ../inst/include/msgpack/cpp_config_decl.hpp:13:
../inst/include/msgpack/v1/cpp_config_decl.hpp:119:16: error: no member named 'remove_volatile' in namespace 'std'
  119 |     using std::remove_volatile;
      |           ~~~~~^
In file included from example2.cpp:3:
In file included from ../inst/include/msgpack.hpp:10:
In file included from ../inst/include/msgpack/object.hpp:13:
In file included from ../inst/include/msgpack/object_decl.hpp:14:
In file included from ../inst/include/msgpack/v1/object_decl.hpp:14:
In file included from ../inst/include/msgpack/pack.hpp:13:
In file included from ../inst/include/msgpack/pack_decl.hpp:13:
In file included from ../inst/include/msgpack/v1/pack_decl.hpp:14:
In file included from ../inst/include/msgpack/cpp_config.hpp:13:
In file included from ../inst/include/msgpack/cpp_config_decl.hpp:14:
../inst/include/msgpack/v2/cpp_config_decl.hpp:71:11: error: no member named 'remove_volatile' in namespace 'msgpack::v1'
   71 | using v1::remove_volatile;
      |       ~~~~^
2 errors generated.
make[1]: *** [/data/localhost/ripley/R/R-clang-trunk/etc/Makeconf:197: example2.o] Error 1
/usr/local/clang23/bin/clang++ -std=gnu++20 -I"/data/localhost/ripley/R/R-clang-trunk/include" -DNDEBUG -I../inst/include -I'/data/localhost/ripley/R/test-clang/Rcpp/include' -I'/data/localhost/ripley/R/test-clang/BH/include' -isystem /usr/local/clang23/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c rcppmsgpack_c_functions.cpp -o rcppmsgpack_c_functions.o
make[1]: Target 'all' not remade because of errors.
make[1]: Leaving directory '/data/localhost/ripley/R/packages/tests-clang-trunk/RcppMsgPack/src'
ERROR: compilation failed for package ‘RcppMsgPack’
* removing ‘/data/localhost/ripley/R/packages/tests-clang-trunk/RcppMsgPack.Rcheck/RcppMsgPack’