Hello! On 7 February 2018 at 00:01, Pintu Kumar wrote: [...] > Thanks for your patch. > However, I have copied this Makefile from > tools/testing/selftests/futex/Makefile before modifying it. > If there is a problem with backslash then the same problem must be > there in futex Makefile as well. There is. Patch coming. [...] > Also is it because of make version ? > Can you check your make version ? It's make 3.81. Thanks and greetings! Daniel Díaz daniel.diaz@linaro.org