nixpkgs/pkgs/development/tools/ocaml/camlp5/default.nix

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{stdenv, fetchurl, ocaml, transitional ? false}:
let
ocaml_version = (builtins.parseDrvName ocaml.name).version;
pname = "camlp5";
version = "5.15";
webpage = http://pauillac.inria.fr/~ddr/camlp5/;
metafile = ./META;
in
stdenv.mkDerivation {
name = "${pname}${if transitional then "_transitional" else ""}-${version}";
src = fetchurl {
url = "${webpage}/distrib/src/${pname}-${version}.tgz";
sha256 = "1sx5wlfpydqskm97gp7887p3avbl3vanlmrwj35wx5mbzj6kn9nq";
};
buildInputs = [ ocaml ];
prefixKey = "-prefix ";
preConfigure = "configureFlagsArray=(" + (if transitional then "--transitional" else "--strict") +
" --libdir $out/lib/ocaml/${ocaml_version}/site-lib)";
buildFlags = "world.opt";
postInstall = "cp ${metafile} $out/lib/ocaml/${ocaml_version}/site-lib/camlp5/META";
meta = {
description = "Preprocessor-pretty-printer for OCaml";
longDescription = ''
Camlp5 is a preprocessor and pretty-printer for OCaml programs.
It also provides parsing and printing tools.
'';
homepage = "${webpage}";
license = "BSD";
platforms = ocaml.meta.platforms;
maintainers = [
stdenv.lib.maintainers.z77z
];
};
}