A fiew Micro Python build fixes. There are still issues

interpreters/micropython/.gitignore

@@ -1,5 +1,6 @@
 /micropython-*
 /v*.tar.gz
+/build
 /Make.dep
 /.depend
 /.built

interpreters/micropython/Makefile

@@ -50,8 +50,9 @@ WGET ?= wget
 MICROPYTHON_UNPACKNAME = micropython-$(MICROPYTHON_VERSION)
 UNPACK ?= tar -zxf
 
-MICROPYTHON_PATH = $(WD)/$(MICROPYTHON_UNPACKNAME)/py
--include $(MICROPYTHON_PATH)/mkenv.mk
+MICROPYTHON_UNPACKDIR =  $(WD)/$(MICROPYTHON_UNPACKNAME)
+MICROPTHYON_SRCDIR = $(MICROPYTHON_UNPACKDIR)/py
+-include $(MICROPTHYON_SRCDIR)/mkenv.mk
 
 # qstr definitions (must come before including py.mk)
 
@@ -59,13 +60,13 @@ QSTR_DEFS = qstrdefsport.h
 
 # include py core make definitions
 
--include $(MICROPYTHON_PATH)/py.mk
+-include $(MICROPTHYON_SRCDIR)/py.mk
 
 # c99 is needed for micropython
 
 CFLAGS+=-std=c99 -Wno-shadow -Wno-strict-prototypes
 
-INC =  -I. -I$(WD) -I$(PY_SRC) -I$(BUILD)
+INC =  -I. -I$(WD) -I$(MICROPYTHON_UNPACKDIR) -I$(PY_SRC) -I$(BUILD)
 
 CFLAGS +=$(INC)
 
@@ -160,5 +161,5 @@ distclean: clean
 	$(call DELFILE, .downloaded)
 	$(call DELFILE, .$(MICROPYTHON_TARBALL))
 
--include $(MICROPYTHON_PATH)/mkrules.mk
+-include $(MICROPTHYON_SRCDIR)/mkrules.mk
 -include Make.dep

interpreters/micropython/mpconfigport.h

@@ -41,7 +41,6 @@
  ****************************************************************************/
 
 #include <stdint.h>
-#include <wchar_t.h>
 
 /* We need to provide a declaration/definition of alloca() */
 
@@ -100,6 +99,7 @@
  * Public Types
  ****************************************************************************/
 
+typedef int wint_t;                      /* For newlib's math.h. See wchar_t */
 typedef int32_t mp_int_t;                /* must be pointer size */
 typedef uint32_t mp_uint_t;              /* must be pointer size */
 typedef void *machine_ptr_t;             /* must be of pointer size */

interpreters/micropython/pyexec.h

@@ -30,6 +30,12 @@
 #ifndef __APPS_INTERPRETERS_MICROPYTHON_PYEXEC_H
 #define __APPS_INTERPRETERS_MICROPYTHON_PYEXEC_H 1
 
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include "py/obj.h"
+
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/