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