am 8af0efd6: Improve handling of absolute paths in out directory

  absolute_dumpvar := $(strip $(filter abs-%,$(dumpvar_goals)))

  ifdef absolute_dumpvar

    dumpvar_goals := $(patsubst abs-%,%,$(dumpvar_goals))

    ifneq ($(filter /%,$($(dumpvar_goals))),)

      DUMPVAR_VALUE := $($(dumpvar_goals))

    else

      DUMPVAR_VALUE := $(PWD)/$($(dumpvar_goals))

    endif

    dumpvar_target := dumpvar-abs-$(dumpvar_goals)

  else

    DUMPVAR_VALUE := $($(dumpvar_goals))