_POSIX_PTHREAD_SEMANTICS  340 chrome/installer/mac/third_party/xz/config/mac/config.h # define _POSIX_PTHREAD_SEMANTICS 1
_POSIX_PTHREAD_SEMANTICS  305 third_party/fontconfig/include/config.h # define _POSIX_PTHREAD_SEMANTICS 1
_POSIX_PTHREAD_SEMANTICS  152 third_party/protobuf/config.h # define _POSIX_PTHREAD_SEMANTICS 1