diff -u -r ../bitcoin-0.19.0.1/build-aux/m4/ax_boost_thread.m4 ./build-aux/m4/ax_boost_thread.m4 --- ../bitcoin-0.19.0.1/build-aux/m4/ax_boost_thread.m4 2019-11-18 09:46:57.000000000 +0000 +++ ./build-aux/m4/ax_boost_thread.m4 2019-11-27 23:27:32.657357728 +0000 @@ -149,7 +149,7 @@ break; ;; * ) - BOOST_THREAD_LIB="$BOOST_THREAD_LIB -lpthread" + BOOST_THREAD_LIB="$BOOST_THREAD_LIB" break; ;; esac