nixpkgs/pkgs/development/interpreters/duktape/default.nix

{ lib, stdenv, fetchurl, validatePkgConfig }:

stdenv.mkDerivation rec {
  pname = "duktape";
  version = "2.7.0";
  src = fetchurl {
    url = "http://duktape.org/duktape-${version}.tar.xz";
    sha256 = "sha256-kPjS+otVZ8aJmDDd7ywD88J5YLEayiIvoXqnrGE8KJA=";
  };

  nativeBuildInputs = [ validatePkgConfig ];

  postPatch = ''
    substituteInPlace Makefile.sharedlibrary \
      --replace 'gcc' '${stdenv.cc.targetPrefix}cc' \
      --replace 'g++' '${stdenv.cc.targetPrefix}c++'
    substituteInPlace Makefile.cmdline \
      --replace 'gcc' '${stdenv.cc.targetPrefix}cc' \
      --replace 'g++' '${stdenv.cc.targetPrefix}c++'
  '';
  buildPhase = ''
    make -f Makefile.sharedlibrary
    make -f Makefile.cmdline
  '';
  installPhase = ''
    install -d $out/bin
    install -m755 duk $out/bin/
    install -d $out/lib/pkgconfig
    install -d $out/include
    make -f Makefile.sharedlibrary install INSTALL_PREFIX=$out
    substituteAll ${./duktape.pc.in} $out/lib/pkgconfig/duktape.pc
  '';
  enableParallelBuilding = true;

  meta = with lib; {
    description = "An embeddable Javascript engine, with a focus on portability and compact footprint";
    homepage = "https://duktape.org/";
    downloadPage = "https://duktape.org/download.html";
    license = licenses.mit;
    maintainers = [ maintainers.fgaz ];
    platforms = platforms.all;
  };
}