compile errorr with driver package 160331

when using 'make' I get:
File not found: /lib/modules/4.1.15-desktop-2.mga5/build/.config at ./scripts/make_kconfig.pl line 33, <IN> line 4.
¬/build/.config does not exist.
Can anyone help?
File not found: /lib/modules/4.1.15-desktop-2.mga5/build/.config at ./scripts/make_kconfig.pl line 33, <IN> line 4.
¬/build/.config does not exist.
Can anyone help?