root@arm:/lib/modules/4.1.6-custom-0.8-bone15# ls -l
total 2044
lrwxrwxrwx    1 root     root            50 Aug 25 09:55 build -> /home/barillec/dev/BBB-kernel-rcn/bb-kernel/KERNEL
drwxr-xr-x    9 root     root          4096 Aug 25 09:55 kernel
-rw-r--r--    1 root     root        504785 Aug 25 09:55 modules.alias
-rw-r--r--    1 root     root        549899 Aug 25 09:55 modules.alias.bin
-rw-r--r--    1 root     root         12001 Aug 25 09:55 modules.builtin
-rw-r--r--    1 root     root         14136 Aug 25 09:55 modules.builtin.bin
-rw-r--r--    1 root     root        172650 Aug 25 09:55 modules.dep
-rw-r--r--    1 root     root        266953 Aug 25 09:55 modules.dep.bin
-rw-r--r--    1 root     root           220 Aug 25 09:55 modules.devname
-rw-r--r--    1 root     root         85427 Aug 25 09:55 modules.order
-rw-r--r--    1 root     root            84 Aug 25 09:55 modules.softdep
-rw-r--r--    1 root     root        203887 Aug 25 09:55 modules.symbols
-rw-r--r--    1 root     root        252340 Aug 25 09:55 modules.symbols.bin
lrwxrwxrwx    1 root     root            50 Aug 25 09:55 source -> /home/barillec/dev/BBB-kernel-rcn/bb-kernel/KERNEL
root@arm:/lib/modules/4.1.6-custom-0.8-bone15# cd /home/debian/
root@arm:/home/debian# make
make -C /lib/modules/4.1.6-custom-0.8-bone15/build/ M=/home/debian modules
make[1]: *** /lib/modules/4.1.6-custom-0.8-bone15/build/: No such file or directory.  Stop.
Makefile:4: recipe for target 'all' failed
make: *** [all] Error 2