book@100ask:~/source/dht11$ make

arm-linux-gnueabihf-gcc -nostdinc -fno-builtin -I/home/book/source/dht11/include -Wall -c -o start.o start.S

make: arm-linux-gnueabihf-gcc: Command not found

Makefile:28: recipe for target 'start.o' failed

make: *** [start.o] Error 127