I have a package that compiles well in nix-shell but fails when ran through nixos-rebuild :/ doesn't seem to be overriden by any overlay. What could be the cause ? error is "[ 64%] Linking C executable comp-spell-dict
[ 64%] Built target comp-spell-dict
Scanning dependencies of target spell-en-download
CMake Error at /dev/stdin:1 (le):
  Unknown CMake command "le".
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