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{ stdenv, lib, fetchFromGitHub, ocaml, findlib, ocamlbuild }:
if lib.versionOlder ocaml.version "4.08"
then throw "wasm is not available for OCaml ${ocaml.version}"
else
stdenv.mkDerivation rec {
pname = "ocaml${ocaml.version}-wasm";
version = "2.0.1";
src = fetchFromGitHub {
owner = "WebAssembly";
repo = "spec";
rev = "opam-${version}";
hash = "sha256-5eo8MIui2GxRS5X9az0NlLGZfxi5KGsTI/EaP6m/zts=";
};
nativeBuildInputs = [ ocaml findlib ocamlbuild ];
strictDeps = true;
# x86_64-unknown-linux-musl-ld: -r and -pie may not be used together
hardeningDisable = lib.optional stdenv.hostPlatform.isStatic "pie";
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 = lib.licenses.asl20;
maintainers = [ lib.maintainers.vbgl ];
homepage = "https://github.com/WebAssembly/spec/tree/master/interpreter";
inherit (ocaml.meta) platforms;
};
}
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