$1_$2_WAYS_DASHED = $$(subst $$(space),,$$(patsubst %,-%,$$(strip $$($1_$2_WAYS))))
$1_$2_depfile_base = $1/$2/build/.depend$$($1_$2_WAYS_DASHED)
$1_$2_WAYS_DASHED = $$(subst $$(space),,$$(patsubst %,-%,$$(strip $$($1_$2_WAYS))))
$1_$2_depfile_base = $1/$2/build/.depend$$($1_$2_WAYS_DASHED)