I would vote for rejecting this wishlist item. The issue refers to the packages themselves and can only be solved on this level. The build process of the kernel source modules should perhaps be done in their posinst.
Furthermore I cannot see a difference between /usr/src and /usr/src/sdebs? -- Needs to be more obvious how to deal with source .debs (e.g. kernel modules) https://launchpad.net/bugs/9413 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs