Reviewed-by: Richard Levitte <levitte@openssl.org>
# concatenate only if that is true.
depend:
@: {- output_off() if $disabled{makedepend}; "" -}
- @if [ -n "`find $(DEPS) -newer Makefile 2>/dev/null; exit 0`" ]; then \
+ @if egrep "^# DO NOT DELETE THIS LINE" Makefile >/dev/null && [ -z "`find $(DEPS) -newer Makefile 2>/dev/null; exit 0`" ]; then :; else \
( sed -e '/^# DO NOT DELETE THIS LINE.*/,$$d' < Makefile; \
echo '# DO NOT DELETE THIS LINE -- make depend depends on it.'; \
echo; \