1Command: ignoring ' = cmdline-u' as the variable name '${:U}' expands to empty 2Command: ignoring ' = cmdline-plain' as the variable name '' expands to empty 3Global: .CURDIR = <curdir> 4Var_Parse: ${MAKE_OBJDIR_CHECK_WRITABLE} (eval) 5Global: .TARGETS = # (empty) 6Internal: MAKEFILE = varname-empty.mk 7Global: .MAKE.MAKEFILES = varname-empty.mk 8Global: .PARSEFILE = varname-empty.mk 9Global: ignoring delete '.INCLUDEDFROMDIR' as it is not found 10Global: ignoring delete '.INCLUDEDFROMFILE' as it is not found 11Global: ignoring ' = default' as the variable name '' expands to empty 12Global: ignoring ' = assigned' as the variable name '' expands to empty 13Global: ignoring ' = appended' as the variable name is empty 14Global: ignoring ' = ' as the variable name '' expands to empty 15Global: ignoring ' = subst' as the variable name '' expands to empty 16Capturing the output of command "echo 'shell-output'" 17Global: ignoring ' = shell-output' as the variable name '' expands to empty 18Global: ignoring ' = assigned indirectly' as the variable name '${:U}' expands to empty 19Global: ignoring ' += appended indirectly' as the variable name '${:U}' expands to empty 20Global: .MAKEFLAGS = -r -d v -d 21Global: .MAKEFLAGS = -r -d v -d 0 22out: fallback 23out: 1 2 3 24exit status 0 25