Make sure we only embed java on the current platform **and architecture**.

Author: kazimuth

runtime/src/jycessing/mode/export/Exporter.java

@@ -26,6 +26,17 @@ private static void log(final String msg) {
     }
   }
 
+  // Architecture of the currently running Processing JRE.
+  // Used to determine what platform we can embed java in.
+  public static final Arch processingArch;
+  static {
+    if (Base.getNativeBits() == Arch.X86.bits) {
+      processingArch = Arch.X86;
+    } else {
+      processingArch = Arch.AMD64;
+    }
+  }
+
   private Sketch sketch;
   private PyEditor editor; // I don't really want to pass this around but there's some functionality
                            // I need

runtime/src/jycessing/mode/export/LinuxExport.java

@@ -62,7 +62,8 @@ public LinuxExport(Arch arch, Sketch sketch, PyEditor editor, Set<Library> libra
   public void export() throws IOException {
     // Work out user preferences and other possibilities we care about
     final boolean embedJava =
-        (id == PApplet.platform) && Preferences.getBoolean("export.application.embed_java");
+        (id == PApplet.platform) && Preferences.getBoolean("export.application.embed_java")
+            && arch == Exporter.processingArch;
 
     // Work out the folders we'll be (maybe) using
     final File destFolder = new File(sketch.getFolder(), "application." + name);

runtime/src/jycessing/mode/export/WindowsExport.java

@@ -66,7 +66,8 @@ public WindowsExport(Arch arch, Sketch sketch, PyEditor editor, Set<Library> lib
   @Override
   public void export() throws IOException {
     final boolean embedJava =
-        (id == PApplet.platform) && Preferences.getBoolean("export.application.embed_java");
+        (id == PApplet.platform) && Preferences.getBoolean("export.application.embed_java")
+            && arch == Exporter.processingArch;
 
     final File destFolder = new File(sketch.getFolder(), "application." + name);
     final File javaFolder = new File(destFolder, "java");