nixpkgs/pkgs/os-specific/darwin/apple-source-releases/Libm/default.nix

{ stdenv, appleDerivation }:

appleDerivation {
  phases = [ "unpackPhase" "installPhase" ];

  installPhase = ''
    mkdir -p $out/include

    cp Source/Intel/math.h $out/include
    cp Source/Intel/fenv.h $out/include
    cp Source/complex.h    $out/include
  '';
}