make clean beautification
@@ -325,7 +325,7 @@ clean:
$(MAKE) -C qemu_mode/unsigaction clean
$(MAKE) -C qemu_mode/libcompcov clean
$(MAKE) -C src/third_party/libradamsa/ clean
- -$(MAKE) -C unicorn_mode/unicorn clean
+ -test -d unicorn_mode/unicorn && $(MAKE) -C unicorn_mode/unicorn clean
distrib: all radamsa
-$(MAKE) -C llvm_mode
