Fix web simulator and binpack build (#114)

python/port/mpconfigport.h

@@ -5,7 +5,6 @@
 /* MicroPython configuration options
  * We're not listing the default options as defined in mpconfig.h */
 
-#if __EMSCRIPTEN__
 // Enable a PyStack where most objects are allocated instead of always using the heap
 /* This enables to allocate and free memory in a scope (thus, Python can call
  * Python) but also has the collateral effect of removing bugs regarding
@@ -15,8 +14,7 @@
  * collecting roots the transpiled C code is denied access to Javascript
  * variables that can store pointers to the Python heap. The pointed objects
  * are therefore erased prematurely. */
-#define MICROPY_ENABLE_PYSTACK (1)
-#endif
+#define MICROPY_ENABLE_PYSTACK (0)
 
 // Maximum length of a path in the filesystem
 #define MICROPY_ALLOC_PATH_MAX (32)

python/port/port.cpp

@@ -163,10 +163,6 @@ extern "C" {
 }
 
 void MicroPython::init(void * heapStart, void * heapEnd) {
-#if __EMSCRIPTEN__
-  static mp_obj_t pystack[1024];
-  mp_pystack_init(pystack, &pystack[MP_ARRAY_SIZE(pystack)]);
-#endif
   /* We delimit the stack part that will be used by Python. The stackTop is the
    * address of the first object that can be allocated on Python stack. This
    * boundaries are used: