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path: root/pkgs/os-specific/linux/libselinux/default.nix
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{ stdenv, fetchurl, pkgconfig, libsepol, pcre
, enablePython ? false, swig ? null, python ? null
}:

assert enablePython -> swig != null && python != null;

with stdenv.lib;

stdenv.mkDerivation rec {
  name = "libselinux-${version}";
  version = "2.1.12";
  inherit (libsepol) se_release se_url;

  src = fetchurl {
    url = "${se_url}/${se_release}/libselinux-${version}.tar.gz";
    sha256 = "17navgvljgq35bljzcdwjdj3khajc27s15binr51xkp0h29qgbcd";
  };

  patch_src = fetchurl {
    url = "http://dev.gentoo.org/~swift/patches/libselinux/patchbundle-${name}-r2.tar.gz";
    sha256 = "08zaas8iwyf4w9ll1ylyv4gril1nfarckd5h1l53563sxzyf7dqh";
  };

  patches = [ ./fPIC.patch ]; # libsemanage seems to need -fPIC everywhere

  buildInputs = [ pkgconfig libsepol pcre ]
             ++ optionals enablePython [ swig python ];

  prePatch = ''
    tar xvf ${patch_src}
    for p in gentoo-patches/*.patch; do
      patch -p1 < "$p"
    done
  '';

  postPatch = optionalString enablePython ''
    sed -i -e 's|\$(LIBDIR)/libsepol.a|${libsepol}/lib/libsepol.a|' src/Makefile
  '';

  installFlags = [ "PREFIX=$(out)" "DESTDIR=$(out)" "LIBSEPOLDIR=${libsepol}" ];
  installTargets = [ "install" ] ++ optional enablePython "install-pywrap";

  meta = {
    inherit (libsepol.meta) homepage platforms maintainers;
  };
}