$(AM_V_at)sed -e '/@@@PRE@@@/ {' -e 'r$@.defs' -e 'd' -e '}' \
$< >$@.merge
$(AM_V_at)$(confsubst) $@.merge >$@.subst $(SUBSTITUTIONS)
$(AM_V_at)sed -e '/@@@PRE@@@/ {' -e 'r$@.defs' -e 'd' -e '}' \
$< >$@.merge
$(AM_V_at)$(confsubst) $@.merge >$@.subst $(SUBSTITUTIONS)