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nixpkgs/pkgs/development/compilers/bs-platform/build-bs-platform.nix
2020-04-16 15:44:39 -07:00

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Nix

# This file is based on https://github.com/turboMaCk/bs-platform.nix/blob/master/build-bs-platform.nix
# to make potential future updates simpler
{ stdenv, fetchFromGitHub, ninja, runCommand, nodejs, python3,
ocaml-version, version, src,
ocaml ? (import ./ocaml.nix {
version = ocaml-version;
inherit stdenv;
src = "${src}/ocaml";
}),
custom-ninja ? (ninja.overrideAttrs (attrs: {
src = runCommand "ninja-patched-source" {} ''
mkdir -p $out
tar zxvf ${src}/vendor/ninja.tar.gz -C $out
'';
patches = [];
}))
}:
let
bin_folder = if stdenv.isDarwin then "darwin" else "linux";
in
stdenv.mkDerivation rec {
inherit src version;
pname = "bs-platform";
BS_RELEASE_BUILD = "true";
# BuckleScript's idiosyncratic build process only builds artifacts required
# for editor-tooling to work when this environment variable is set:
# https://github.com/BuckleScript/bucklescript/blob/7.2.0/scripts/install.js#L225-L227
BS_TRAVIS_CI = "1";
buildInputs = [ nodejs python3 custom-ninja ];
patchPhase = ''
sed -i 's:./configure.py --bootstrap:python3 ./configure.py --bootstrap:' ./scripts/install.js
mkdir -p ./native/${ocaml-version}/bin
ln -sf ${ocaml}/bin/* ./native/${ocaml-version}/bin
'';
# avoid building the development version, will break aarch64 build
dontConfigure = true;
buildPhase = ''
# This is an unfortunate name, but it's actually how to build a release
# binary for BuckleScript
node scripts/install.js
'';
installPhase = ''
mkdir -p $out/bin
cp -rf jscomp lib ${bin_folder} vendor odoc_gen native bsb bsc bsrefmt $out
mkdir -p $out/lib/ocaml
cp jscomp/runtime/js.* jscomp/runtime/*.cm* $out/lib/ocaml
cp jscomp/others/*.ml jscomp/others/*.mli jscomp/others/*.cm* $out/lib/ocaml
cp jscomp/stdlib-406/*.ml jscomp/stdlib-406/*.mli jscomp/stdlib-406/*.cm* $out/lib/ocaml
cp bsconfig.json package.json $out
ln -s $out/bsb $out/bin/bsb
ln -s $out/bsc $out/bin/bsc
ln -s $out/bsrefmt $out/bin/bsrefmt
'';
}