...found 9 targets...
...updating 4 targets...
gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/32.o
...updated 4 targets...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/arm.o
...updated 1 target...
...patience...
...found 224 targets...
...updating 10 targets...
gcc.compile.c++ bin.v2/libs/thread/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/has_atomic_flag_lockfree_test.o
gcc.link bin.v2/libs/thread/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/has_atomic_flag_lockfree
...updated 10 targets...
...found 1 target...
...updating 1 target...
config-cache.write bin.v2/project-cache.jam
...updated 1 target...