＞case "$has_wait_nohang" in ＞ no) echo ＞ echo "WARNING: Your system has neither waitpid() nor wait3()." ＞ echo " Without one of these, signal handling is unreliable." ＞ echo " You should be aware that running GNU make with -j" ＞ echo " could result in erratic behavior." ＞ echo ;; ＞esac
