@if test "$$(sha1sum $@ | awk '{print $$1}')" != "$(main.SHA1SUM)" ; then \
echo "sha1sum of the downloaded $@ does not match the one from 'sources' file" ; \
echo "Local copy: $$(sha1sum $@)" ; \
- echo "In sources: $$(grep $@ sources)" ; \
+ echo "In sources: $(main.SHA1SUM)" ; \
exit 1 ; \
else \
ls -l $@ ; \