Broadcom-sta-dkms; kernel source does not seem to be installed

[sam_nazarko]

@formiga

Module build for the currently running kernel was skipped since the
kernel source for this kernel does not seem to be installed.

Debian DKMS targets 3.16, so you will probably spend some time hacking that anyway.

@formiga

Module build for the currently running kernel was skipped since the
kernel source for this kernel does not seem to be installed.

You need to pass KSRC. You can check the postinst and run the steps manually.