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