1make: "varshell.mk" line 5: warning: "/bin/no/such/command 2> /dev/null" returned non-zero status 2make: "varshell.mk" line 8: warning: "false" returned non-zero status 3make: "varshell.mk" line 9: warning: "echo "output before the error"; false" returned non-zero status 4EXEC_FAILED='' 5TERMINATED_BY_SIGNAL='' 6ERROR_NO_OUTPUT='' 7ERROR_WITH_OUTPUT='output before the error' 8NO_ERROR_NO_OUTPUT='' 9NO_ERROR_WITH_OUTPUT='this is good' 10exit status 0 11