libvirtd build: drop support for tmpfs
during image build
#974
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Note: caution, this patch breaks the compatibility with NixOS 17.09 and
should only be used in unstable branches.
Originally NixOS/nixpkgs@0d27df2
dropped support for
tempfs
which broke the libvirtd image build as itstill created custom kernel nodes.
These
mkdnod
calls were wrapped by conditionls to keep support with 17.09,but now as 17.09 is the oldstable release which only receives security
fixes (https://groups.google.com/forum/#!msg/nix-devel/7bRK8FUcC5s/CV4-i0JdBgAJ),
so it's time to drop this compliance hacks.