Files
nixpkgs/pkgs/development/tools/ocaml/cppo/default.nix
T
2025-12-14 15:37:21 +00:00

80 lines
1.3 KiB
Nix

{
lib,
stdenv,
fetchFromGitHub,
ocaml,
findlib,
ocamlbuild,
buildDunePackage,
}:
let
pname = "cppo";
meta = {
description = "C preprocessor for OCaml";
mainProgram = "cppo";
longDescription = ''
Cppo is an equivalent of the C preprocessor targeted at the OCaml language and its variants.
'';
homepage = "https://github.com/ocaml-community/${pname}";
maintainers = [ lib.maintainers.vbgl ];
license = lib.licenses.bsd3;
};
in
if lib.versionAtLeast ocaml.version "4.02" then
buildDunePackage rec {
inherit pname;
version = "1.8.0";
src = fetchFromGitHub {
owner = "ocaml-community";
repo = pname;
rev = "v${version}";
hash = "sha256-+HnAGM+GddYJK0RCvKrs+baZS+1o8Yq+/cVa3U3nFWg=";
};
doCheck = true;
inherit meta;
}
else
let
version = "1.5.0";
in
stdenv.mkDerivation {
inherit pname version;
src = fetchFromGitHub {
owner = "mjambon";
repo = pname;
rev = "v${version}";
sha256 = "1xqldjz9risndnabvadw41fdbi5sa2hl4fnqls7j9xfbby1izbg8";
};
strictDeps = true;
nativeBuildInputs = [
ocaml
findlib
ocamlbuild
];
inherit meta;
createFindlibDestdir = true;
makeFlags = [ "PREFIX=$(out)" ];
preBuild = ''
mkdir -p $out/bin
'';
}