compile failure: fmt use incompatible with libfmt-10.2.[2]+

/home/buildbot/ppc64be-aix-71/build/mariadb-10.11.9/sql/item_strfunc.cc: In member function 'virtual String* Item_func_sformat::val_str(String*)':

/home/buildbot/ppc64be-aix-71/build/mariadb-10.11.9/sql/item_strfunc.cc:1423:62: warning: 'new' of type 'fmt::v10::basic_format_args<fmt::v10::context>::format_arg' {aka 'fmt::v10::basic_format_arg<fmt::v10::context>'} with extended alignment 16 [-Waligned-new=]

 1423 |   if (!(vargs= new fmt::format_args::format_arg[arg_count - 1]))

      |                                                              ^

/home/buildbot/ppc64be-aix-71/build/mariadb-10.11.9/sql/item_strfunc.cc:1423:62: note: uses 'void* operator new [](std::size_t)', which does not have an alignment parameter

/home/buildbot/ppc64be-aix-71/build/mariadb-10.11.9/sql/item_strfunc.cc:1423:62: note: use '-faligned-new' to enable C++17 over-aligned new support

[ 80%] Building CXX object sql/CMakeFiles/sql.dir/rpl_record_old.cc.o

[ 80%] Building CXX object sql/CMakeFiles/sql.dir/mf_iocache.cc.o

In file included from /home/buildbot/inst-fmt/include/fmt/format.h:56,

                 from /home/buildbot/inst-fmt/include/fmt/format-inl.h:27,

                 from /home/buildbot/ppc64be-aix-71/build/mariadb-10.11.9/sql/item_strfunc.cc:61:

/home/buildbot/inst-fmt/include/fmt/base.h: In instantiation of 'static void fmt::v10::detail::value<Context>::format_custom_arg(void*, typename Context::parse_context_type&, Context&) [with T = String; Formatter = fmt::v10::formatter<String>; Context = fmt::v10::context; typename Context::parse_context_type = fmt::v10::basic_format_parse_context<char>]':

/home/buildbot/inst-fmt/include/fmt/base.h:1381:19:   required from 'fmt::v10::detail::value<Context>::value(T&) [with T = String; Context = fmt::v10::context]'

/home/buildbot/inst-fmt/include/fmt/base.h:1639:41:   required from 'fmt::v10::detail::value<Context> fmt::v10::detail::make_arg(T&) [with bool PACKED = true; Context = fmt::v10::context; T = String; typename std::enable_if<PACKED, int>::type <anonymous> = 0]'

/home/buildbot/inst-fmt/include/fmt/base.h:1646:39:   required from 'fmt::v10::basic_format_arg<Context> fmt::v10::detail::make_arg(T&) [with Context = fmt::v10::context; T = String]'

/home/buildbot/ppc64be-aix-71/build/mariadb-10.11.9/sql/item_strfunc.cc:1461:48:   required from here

/home/buildbot/inst-fmt/include/fmt/base.h:1400:29: error: passing 'const fmt::v10::formatter<String>' as 'this' argument discards qualifiers [-fpermissive]

 1400 |     ctx.advance_to(cf.format(*static_cast<qualified_type*>(arg), ctx));

      |                    ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

/home/buildbot/ppc64be-aix-71/build/mariadb-10.11.9/sql/item_strfunc.cc:1385:10: note:   in call to 'decltype (ctx.out()) fmt::v10::formatter<String>::format(String, FormatContext&) [with FormatContext = fmt::v10::context; decltype (ctx.out()) = fmt::v10::basic_appender<char>]'

 1385 |     auto format(String c, FormatContext& ctx) -> decltype(ctx.out()) {

      |          ^~~~~~

make[2]: *** [sql/CMakeFiles/sql.dir/build.make:431: sql/CMakeFiles/sql.dir/item_strfunc.cc.o] Error 1

$ b  --target sql

[28/208] Building CXX object sql/CMakeFiles/sql.dir/item_strfunc.cc.o

FAILED: sql/CMakeFiles/sql.dir/item_strfunc.cc.o 

/usr/lib64/ccache/clang++ -DHAVE_CONFIG_H -DHAVE_EVENT_SCHEDULER -DHAVE_POOL_OF_THREADS -DMYSQL_SERVER -D_FILE_OFFSET_BITS=64 -I/home/dan/repos/mariadb-server-10.11/wsrep-lib/include -I/home/dan/repos/mariadb-server-10.11/wsrep-lib/wsrep-API/v26 -I/home/dan/repos/build-mariadb-server-10.11/include -I/home/dan/repos/mariadb-server-10.11/include/providers -I/home/dan/repos/mariadb-server-10.11/include -I/home/dan/repos/mariadb-server-10.11/sql -I/home/dan/repos/build-mariadb-server-10.11/sql -I/home/dan/repos/mariadb-server-10.11/tpool -I/home/dan/repos/inst-fmt/include -fstack-protector --param=ssp-buffer-size=4 -O2 -g -DNDEBUG -fno-omit-frame-pointer -D_FORTIFY_SOURCE=2 -DDBUG_OFF -Wall -Wdeclaration-after-statement -Wenum-compare -Wenum-conversion -Wextra -Wformat-security -Wmissing-braces -Wno-init-self -Wno-null-conversion -Wno-unused-parameter -Wno-unused-private-field -Woverloaded-virtual -Wnon-virtual-dtor -Wvla -Wwrite-strings -std=gnu++11   -DHAVE_OPENSSL -DOPENSSL_API_COMPAT=0x10100000L -MD -MT sql/CMakeFiles/sql.dir/item_strfunc.cc.o -MF sql/CMakeFiles/sql.dir/item_strfunc.cc.o.d -o sql/CMakeFiles/sql.dir/item_strfunc.cc.o -c /home/dan/repos/mariadb-server-10.11/sql/item_strfunc.cc

In file included from /home/dan/repos/mariadb-server-10.11/sql/item_strfunc.cc:61:

In file included from /home/dan/repos/inst-fmt/include/fmt/format-inl.h:27:

In file included from /home/dan/repos/inst-fmt/include/fmt/format.h:56:

/home/dan/repos/inst-fmt/include/fmt/base.h:1400:23: error: no matching member function for call to 'format'

 1400 |     ctx.advance_to(cf.format(*static_cast<qualified_type*>(arg), ctx));

      |                    ~~~^~~~~~

/home/dan/repos/inst-fmt/include/fmt/base.h:1381:21: note: in instantiation of function template specialization 'fmt::detail::value<fmt::context>::format_custom_arg<String, fmt::formatter<String>>' requested here

 1381 |     custom.format = format_custom_arg<

      |                     ^

/home/dan/repos/inst-fmt/include/fmt/base.h:1639:10: note: in instantiation of function template specialization 'fmt::detail::value<fmt::context>::value<String>' requested here

 1639 |   return {arg_mapper<Context>().map(val)};

      |          ^

/home/dan/repos/inst-fmt/include/fmt/base.h:1646:16: note: in instantiation of function template specialization 'fmt::detail::make_arg<true, fmt::context, String, 0>' requested here

 1646 |   arg.value_ = make_arg<true, Context>(val);

      |                ^

/home/dan/repos/mariadb-server-10.11/sql/item_strfunc.cc:1461:35: note: in instantiation of function template specialization 'fmt::detail::make_arg<fmt::context, String>' requested here

 1461 |       vargs[carg-1]= fmt::detail::make_arg<ctx>(*parg);

      |                                   ^

/home/dan/repos/mariadb-server-10.11/sql/item_strfunc.cc:1385:10: note: candidate function template not viable: 'this' argument has type 'const fmt::formatter<String>', but method is not marked const

 1385 |     auto format(String c, FormatContext& ctx) -> decltype(ctx.out()) {

      |          ^

1 error generated.