1make: "var-op-shell.mk" line 32: warning: "echo "failed"; false" returned non-zero status 2make: "var-op-shell.mk" line 39: warning: "false" returned non-zero status 3make: "var-op-shell.mk" line 62: warning: "kill $$" exited on a signal 4/bin/no/such/command: not found 5make: "var-op-shell.mk" line 69: warning: "/bin/no/such/command" returned non-zero status 6stderr 7Capturing the output of command "echo '$$$$'" 8Global: OUTPUT = $$$$ 9Global: .MAKEFLAGS = -r -k -d v -d 10Global: .MAKEFLAGS = -r -k -d v -d 0 11exit status 0 12