yes i was running the snapcraft command in the snap sub directory,
but when in the project directory i run snapcraft clean command and subsequently snapcraft command ,
i get the following errors
make -j2
arm-linux-gnueabihf-gcc display-daemon.c font5x7.c -g -Wall -o display-daemon
make: arm-linux-gnueabihf-gcc: Command not found
Makefile:4: recipe for target ‘display-daemon’ failed
make: *** [display-daemon] Error 127