"clang++-12"   -fvisibility-inlines-hidden -Wno-c99-extensions -std=c++20 -fPIC -pthread -O0 -fno-inline -Wall -fvisibility=hidden -m64 --target=x86_64-pc-linux  -DBOOST_ALL_NO_LIB=1 -DBOOST_CHRONO_DYN_LINK=1 -DBOOST_CHRONO_NO_LIB=1 -DBOOST_COBALT_USE_STD_PMR=1 -DBOOST_HAS_ICU=1 -DBOOST_REGEX_DYN_LINK=1 -DBOOST_SYSTEM_DYN_LINK=1 -DBOOST_SYSTEM_NO_LIB=1 -DBOOST_THREAD_BUILD_DLL=1 -DBOOST_THREAD_POSIX -DBOOST_THREAD_USE_DLL=1 -DU_USING_ICU_NAMESPACE=0   -I".." -I"/var/boost/run/boost_root/libs/assert/include" -I"/var/boost/run/boost_root/libs/chrono/include" -I"/var/boost/run/boost_root/libs/core/include" -I"/var/boost/run/boost_root/libs/integer/include" -I"/var/boost/run/boost_root/libs/move/include" -I"/var/boost/run/boost_root/libs/mp11/include" -I"/var/boost/run/boost_root/libs/predef/include" -I"/var/boost/run/boost_root/libs/ratio/include" -I"/var/boost/run/boost_root/libs/system/include" -I"/var/boost/run/boost_root/libs/throw_exception/include" -I"/var/boost/run/boost_root/libs/variant2/include" -I"/var/boost/run/boost_root/libs/winapi/include"  -c -o "/var/boost/run/results/boost/bin.v2/libs/regex/test/static_mutex_test.test/clang-linux-12~c++20/debug/x86_64/debug-symbols-off/threading-multi/visibility-hidden/static_mutex/static_mutex_test.o" "../libs/regex/test/static_mutex/static_mutex_test.cpp"

In file included from ../libs/regex/test/static_mutex/static_mutex_test.cpp:21:
../boost/timer.hpp:21:3: error: This header is deprecated and will be removed. (You can define BOOST_TIMER_ENABLE_DEPRECATED to suppress this error.)
# error This header is deprecated and will be removed. (You can define BOOST_TIMER_ENABLE_DEPRECATED to suppress this error.)
  ^
../boost/timer.hpp:25:1: warning: This header is deprecated. Use the facilities in <boost/timer/timer.hpp> instead. [-W#pragma-messages]
BOOST_HEADER_DEPRECATED( "the facilities in <boost/timer/timer.hpp>" )
^
../boost/config/header_deprecated.hpp:23:37: note: expanded from macro 'BOOST_HEADER_DEPRECATED'
# define BOOST_HEADER_DEPRECATED(a) BOOST_PRAGMA_MESSAGE("This header is deprecated. Use " a " instead.")
                                    ^
../boost/config/pragma_message.hpp:24:34: note: expanded from macro 'BOOST_PRAGMA_MESSAGE'
# define BOOST_PRAGMA_MESSAGE(x) _Pragma(BOOST_STRINGIZE(message(x)))
                                 ^
<scratch space>:323:2: note: expanded from here
 message("This header is deprecated. Use " "the facilities in <boost/timer/timer.hpp>" " instead.")
 ^
1 warning and 1 error generated.