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{ stdenv, fetchFromGitHub, ocaml, findlib, ocamlbuild }:
if !stdenv.lib.versionAtLeast ocaml.version "4.02"
|| stdenv.lib.versionAtLeast ocaml.version "4.08"
then throw "wasm is not available for OCaml ${ocaml.version}"
else
stdenv.mkDerivation rec {
name = "ocaml${ocaml.version}-wasm-${version}";
version = "1.0";
src = fetchFromGitHub {
owner = "WebAssembly";
repo = "spec";
rev = "v${version}";
sha256 = "0r0wj31s2yg4vn4hyw2afc8wp8b0k3q130yiypwq3dlvfxrr70m6";
};
buildInputs = [ ocaml findlib ocamlbuild ];
makeFlags = [ "-C" "interpreter" ];
createFindlibDestdir = true;
postInstall = ''
mkdir $out/bin
cp -L interpreter/wasm $out/bin
'';
meta = {
description = "An executable and OCaml library to run, read and write Web Assembly (wasm) files and manipulate their AST";
license = stdenv.lib.licenses.asl20;
maintainers = [ stdenv.lib.maintainers.vbgl ];
homepage = "https://github.com/WebAssembly/spec/tree/master/interpreter";
inherit (ocaml.meta) platforms;
};
}
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