pocketsphinx: enable doCheck

pkgs/by-name/po/pocketsphinx/package.nix

@@ -7,8 +7,10 @@
   gitUpdater,
   graphviz,
   gst_all_1,
+  perl,
   pkg-config,
   testers,
+  sox,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -45,6 +47,13 @@ stdenv.mkDerivation (finalAttrs: {
     "man"
   ];
 
+  nativeCheckInputs = [
+    perl
+    sox
+  ];
+
+  doCheck = stdenv.buildPlatform.canExecute stdenv.hostPlatform;
+
   passthru = {
     updateScript = gitUpdater { rev-prefix = "v"; };
     tests.pkg-config = testers.testMetaPkgConfig finalAttrs.finalPackage;