56de2bcd43
https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948 this can do it nicely. Signed-off-by: Anton Arapov <anton@deadbeef.mx>
14 lines
280 B
Nix
14 lines
280 B
Nix
{ lib, buildDunePackage, cstruct, lwt }:
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if lib.versionOlder (cstruct.version or "1") "3"
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then cstruct
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else
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buildDunePackage {
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pname = "cstruct-lwt";
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inherit (cstruct) version src useDune2 meta;
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minimumOCamlVersion = "4.03";
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propagatedBuildInputs = [ cstruct lwt ];
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}
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