"g++-8"   -fvisibility-inlines-hidden -std=c++17 -fPIC -m64 -pthread -O0 -fno-inline -Wall -fvisibility=hidden -Wextra -DBOOST_ALL_NO_LIB=1 -DBOOST_COBALT_USE_STD_PMR=1 -DBOOST_HAS_ICU=1 -DBOOST_REGEX_DYN_LINK=1 -DU_USING_ICU_NAMESPACE=0   -I".."  -c -o "/var/boost/run/results/boost/bin.v2/libs/regex/example/regex_timer.test/gcc-8~c++17/debug/x86_64/debug-symbols-off/threading-multi/visibility-hidden/timer/regex_timer.o" "../libs/regex/example/timer/regex_timer.cpp"

In file included from ../libs/regex/example/timer/regex_timer.cpp:19:
../boost/timer.hpp:21:3: error: #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.)
   ^~~~~
In file included from ../libs/regex/example/timer/regex_timer.cpp:19:
../boost/timer.hpp:25:70: note: #pragma message: This header is deprecated. Use the facilities in <boost/timer/timer.hpp> instead.
 BOOST_HEADER_DEPRECATED( "the facilities in <boost/timer/timer.hpp>" )
                                                                      ^