{stdenv, fetchurl, fetchpatch, bison, flex}:

stdenv.mkDerivation rec {
  pname = "iasl";
  version = "20191213";

  src = fetchurl {
    url = "https://acpica.org/sites/acpica/files/acpica-unix-${version}.tar.gz";
    sha256 = "1ip684is3dplf7snkn024vv6bg3dv5msx8v7pz6x9lrnk3gk0j9h";
  };

  NIX_CFLAGS_COMPILE = [ "-O3" ];

  buildFlags = [ "iasl" ];

  buildInputs = [ bison flex ];

  installPhase =
    ''
      install -d $out/bin
      install generate/unix/bin*/iasl $out/bin
    '';

  meta = {
    description = "Intel ACPI Compiler";
    homepage = http://www.acpica.org/;
    license = stdenv.lib.licenses.iasl;
    platforms = stdenv.lib.platforms.unix;
  };
}

{stdenv, fetchurl, fetchpatch, bison, flex}:

stdenv.mkDerivation rec {
  pname = "iasl";
  version = "20191213";

  src = fetchurl {
    url = "https://acpica.org/sites/acpica/files/acpica-unix-${version}.tar.gz";
    sha256 = "1ip684is3dplf7snkn024vv6bg3dv5msx8v7pz6x9lrnk3gk0j9h";
  };

  NIX_CFLAGS_COMPILE = "-O3";

  buildFlags = [ "iasl" ];

  buildInputs = [ bison flex ];

  installPhase =
    ''
      install -d $out/bin
      install generate/unix/bin*/iasl $out/bin
    '';

  meta = {
    description = "Intel ACPI Compiler";
    homepage = http://www.acpica.org/;
    license = stdenv.lib.licenses.iasl;
    platforms = stdenv.lib.platforms.unix;
  };
}

Revert "iasl: make NIX_CFLAGS_COMPILE a list"
Revert "iasl: make NIX_CFLAGS_COMPILE a list"

This reverts commit 5aff75d32d9d59801e7e8ec7ecff4ee3f8d8e73a.
