$(CONFIG_SHELL) $(MKSPEC) > $@
rpm-pkg rpm: $(objtree)/kernel.spec FORCE
- @if test -n "$(KBUILD_OUTPUT)"; then \
+ @if test "$(objtree)" != "$(srctree)"; then \
echo "Building source + binary RPM is not possible outside the"; \
echo "kernel source tree. Don't set KBUILD_OUTPUT, or use the"; \
echo "binrpm-pkg target instead."; \