corepkgs_FILES = \
buildenv.nix \
unpack-channel.nix \
derivation.nix \
fetchurl.nix \
imported-drv-to-derivation.nix
$(foreach file,config.nix $(corepkgs_FILES),$(eval $(call install-data-in,$(d)/$(file),$(datadir)/nix/corepkgs)))
template-files += $(d)/config.nix