%: %.in Makefile
sed \
-e "s^@prefix\@^$(prefix)^g" \
-e "s^@bindir\@^$(bindir)^g" \
-e "s^@sysconfdir\@^$(sysconfdir)^g" \
-e "s^@localstatedir\@^$(localstatedir)^g" \
-e "s^@datadir\@^$(datadir)^g" \
-e "s^@host\@^$(host)^g" \
-e "s^@wget\@^$(wget)^g" \
< $< > $@ || rm $@
chmod +x $@