--- configure.ac.old	2016-04-26 17:38:00.537781846 -0400
+++ configure.ac	2016-04-26 17:40:06.544789100 -0400
@@ -5195,6 +5195,34 @@
               [Define to 1 if the getrandom() function is available])
 fi
 
+if test "$cross_compiling" = yes; then
+    AC_MSG_CHECKING([for native python interpreter])
+	for interp in python$PACKAGE_VERSION python3 python; do
+		which $interp >/dev/null 2>&1 || continue
+		if $interp -c 'import sys;sys.exit(not sys.version_info@<:@:2@:>@ >= (3,3))'; then
+			break
+		fi
+		interp=
+	done
+	if test x$interp = x; then
+		AC_MSG_ERROR([native python$PACKAGE_VERSION interpreter not found])
+	fi
+	AC_MSG_RESULT($interp)
+	AC_CHECK_LIB($interp, main, PYTHON_LIB_FOR_BUILD=-l${interp}, PYTHON_LIB_FOR_BUILD=no)
+	if test x$PYTHON_LIB_FOR_BUILD == xno; then
+		AC_CHECK_LIB(${interp}m, main, PYTHON_LIB_FOR_BUILD=-l${interp}m, PYTHON_LIB_FOR_BUILD=no)
+	fi
+	if test x$PYTHON_LIB_FOR_BUILD != xno; then
+		PYTHON_INCLUDE_DIR_FOR_BUILD=`$interp -c "from distutils.sysconfig import *; print(get_config_var('CONFINCLUDEPY'))"`
+		BUILD_NATIVE_TOOLS=yes
+	fi
+fi
+
+AC_PROG_CC_FOR_BUILD
+AC_SUBST(BUILD_NATIVE_TOOLS)
+AC_SUBST(PYTHON_INCLUDE_DIR_FOR_BUILD)
+AC_SUBST(PYTHON_LIB_FOR_BUILD)
+
 # generate output files
 AC_CONFIG_FILES(Makefile.pre Modules/Setup.config Misc/python.pc Misc/python-config.sh)
 AC_CONFIG_FILES([Modules/ld_so_aix], [chmod +x Modules/ld_so_aix])
--- Makefile.pre.in.old	2016-04-26 17:38:06.329736218 -0400
+++ Makefile.pre.in	2016-04-26 17:38:14.450672249 -0400
@@ -32,6 +32,7 @@
 
 
 CC=		@CC@
+CC_FOR_BUILD=	@CC_FOR_BUILD@
 CXX=		@CXX@
 MAINCC=		@MAINCC@
 LINKCC=		@LINKCC@
@@ -86,11 +87,13 @@
 # command line to append to these values without stomping the pre-set
 # values.
 PY_CFLAGS=	$(BASECFLAGS) $(OPT) $(CONFIGURE_CFLAGS) $(CFLAGS) $(EXTRA_CFLAGS)
+PY_BUILDCFLAGS=	$(BASECFLAGS) $(OPT) $(EXTRA_CFLAGS)
 PY_CFLAGS_NODIST=$(CONFIGURE_CFLAGS_NODIST) $(CFLAGS_NODIST)
 # Both CPPFLAGS and LDFLAGS need to contain the shell's value for setup.py to
 # be able to build extension modules using the directories specified in the
 # environment variables
 PY_CPPFLAGS=	$(BASECPPFLAGS) -I. -IInclude -I$(srcdir)/Include $(CONFIGURE_CPPFLAGS) $(CPPFLAGS)
+PY_BUILD_CPPFLAGS=	$(BASECPPFLAGS) -I. -IInclude -I$(PYTHON_INCLUDE_DIR_FOR_BUILD) $(CONFIGURE_CPPFLAGS) $(CPPFLAGS)
 PY_LDFLAGS=	$(CONFIGURE_LDFLAGS) $(LDFLAGS)
 NO_AS_NEEDED=	@NO_AS_NEEDED@
 LDLAST=		@LDLAST@
@@ -102,7 +105,7 @@
 CFLAGSFORSHARED=@CFLAGSFORSHARED@
 # C flags used for building the interpreter object files
 PY_CORE_CFLAGS=	$(PY_CFLAGS) $(PY_CFLAGS_NODIST) $(PY_CPPFLAGS) $(CFLAGSFORSHARED) -DPy_BUILD_CORE
-
+PY_CORE_BUILDCFLAGS=	$(PY_BUILDCFLAGS) $(PY_CFLAGS_NODIST) $(PY_BUILD_CPPFLAGS) $(CFLAGSFORSHARED) -DPy_BUILD_CORE
 
 # Machine-dependent subdirectories
 MACHDEP=	@MACHDEP@
@@ -226,6 +229,12 @@
 BUILD_GNU_TYPE=	@build@
 HOST_GNU_TYPE=	@host@
 
+BUILD_NATIVE_TOOLS=@BUILD_NATIVE_TOOLS@
+ifdef BUILD_NATIVE_TOOLS
+	PYTHON_INCLUDE_DIR_FOR_BUILD=@PYTHON_INCLUDE_DIR_FOR_BUILD@
+	PYTHON_LIB_FOR_BUILD=@PYTHON_LIB_FOR_BUILD@
+endif
+
 # Tcl and Tk config info from --with-tcltk-includes and -libs options
 TCLTK_INCLUDES=	@TCLTK_INCLUDES@
 TCLTK_LIBS=	@TCLTK_LIBS@
@@ -329,8 +338,12 @@
 		$(srcdir)/Parser/tokenizer.h
 
 PGENSRCS=	$(PSRCS) $(PGSRCS)
-PGENOBJS=	$(POBJS) $(PGOBJS)
 
+ifndef BUILD_NATIVE_TOOLS
+	PGENOBJS=	$(POBJS) $(PGOBJS)
+else
+	PGENOBJS=	$(patsubst %,NativeBuild/%,$(POBJS)) $(patsubst %,NativeBuild/%,$(PGOBJS))
+endif
 ##########################################################################
 # opcode.h generation
 OPCODE_H_DIR= 	$(srcdir)/Include
@@ -707,9 +720,16 @@
 # Importlib
 
 Programs/_freeze_importlib.o: Programs/_freeze_importlib.c Makefile
+ifdef BUILD_NATIVE_TOOLS
+	$(CC_FOR_BUILD) -c $(PY_CORE_BUILDCFLAGS) -o $@ $<
+endif
 
 Programs/_freeze_importlib: Programs/_freeze_importlib.o $(LIBRARY_OBJS_OMIT_FROZEN)
+ifndef BUILD_NATIVE_TOOLS
 	$(LINKCC) $(PY_LDFLAGS) -o $@ Programs/_freeze_importlib.o $(LIBRARY_OBJS_OMIT_FROZEN) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
+else
+	$(CC_FOR_BUILD) -o $@ Programs/_freeze_importlib.o $(PYTHON_LIB_FOR_BUILD) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
+endif
 
 Python/importlib_external.h: $(srcdir)/Lib/importlib/_bootstrap_external.py Programs/_freeze_importlib
 	./Programs/_freeze_importlib \
@@ -784,7 +804,16 @@
 		touch $(GRAMMAR_C)
 
 $(PGEN): $(PGENOBJS)
+ifndef BUILD_NATIVE_TOOLS
 		$(CC) $(OPT) $(PY_LDFLAGS) $(PGENOBJS) $(LIBS) -o $(PGEN)
+else
+		$(CC_FOR_BUILD) $(OPT) $(PY_LDFLAGS) $(PGENOBJS) $(LIBS) -o $(PGEN)
+endif
+
+$(PGENOBJS): %.o: %.c
+ifdef BUILD_NATIVE_TOOLS
+	$(CC_FOR_BUILD) -c $(PY_CORE_BUILDCFLAGS) -o $@ $<
+endif
 
 Parser/grammar.o:	$(srcdir)/Parser/grammar.c \
 				$(srcdir)/Include/token.h \