(cd datapath && $(MAKE) distfiles); \
(cat distfiles; sed 's|^|datapath/|' datapath/distfiles) | \
sort -u > all-distfiles; \
(cd datapath && $(MAKE) distfiles); \
(cat distfiles; sed 's|^|datapath/|' datapath/distfiles) | \
sort -u > all-distfiles; \