nixpkgs/pkgs/development/interpreters/gnu-apl/default.nix

{ lib, stdenv, fetchurl, readline, gettext, ncurses }:

stdenv.mkDerivation rec {
  pname = "gnu-apl";
  version = "1.8";

  src = fetchurl {
    url = "mirror://gnu/apl/apl-${version}.tar.gz";
    sha256 = "1jxvv2h3y1am1fw6r5sn3say1n0dj8shmscbybl0qhqdia2lqkql";
  };

  buildInputs = [ readline gettext ncurses ];

  # Needed with GCC 8
  NIX_CFLAGS_COMPILE = with lib; toString ((optionals stdenv.cc.isGNU [
    "-Wno-error=int-in-bool-context"
    "-Wno-error=class-memaccess"
    "-Wno-error=restrict"
    "-Wno-error=format-truncation"
    # Needed with GCC 10
    "-Wno-error=maybe-uninitialized"
   ]) ++ optional stdenv.cc.isClang "-Wno-error=null-dereference");

  patchPhase = lib.optionalString stdenv.isDarwin ''
    substituteInPlace src/LApack.cc --replace "malloc.h" "malloc/malloc.h"
  '';

  postInstall = ''
    cp -r support-files/ $out/share/doc/
    find $out/share/doc/support-files -name 'Makefile*' -delete
  '';

  meta = with lib; {
    description = "Free interpreter for the APL programming language";
    homepage    = "https://www.gnu.org/software/apl/";
    license     = licenses.gpl3Plus;
    maintainers = [ maintainers.kovirobi ];
    platforms   = with platforms; linux ++ darwin;
    mainProgram = "apl";

    longDescription = ''
      GNU APL is a free interpreter for the programming language APL, with an
      (almost) complete implementation of ISO standard 13751 aka.  Programming
      Language APL, Extended.  GNU APL was written and is being maintained by
      Jürgen Sauermann.
    '';
  };
}