weechat: enable pie

pkgs/applications/networking/irc/weechat/default.nix

@@ -30,6 +30,8 @@ let
       version = "3.1";
       pname = "weechat";
 
+      hardeningEnable = [ "pie" ];
+
       src = fetchurl {
         url = "https://weechat.org/files/src/weechat-${version}.tar.bz2";
         sha256 = "06w147wzrzp6xbqiz6s5nq5xdjy7jn3f18xajxy50pynjd6vmfh5";
@@ -68,6 +70,11 @@ let
         done
       '';
 
+      doInstallCheck = true;
+      installCheckPhase = ''
+        $out/bin/weechat --version
+      '';
+
       meta = {
         homepage = "http://www.weechat.org/";
         description = "A fast, light and extensible chat client";