--- Makefile.pre.in.orig	2015-05-23 18:09:16.000000000 +0200
+++ Makefile.pre.in	2015-10-10 12:29:21.988926069 +0200
@@ -238,6 +238,7 @@
 ##########################################################################
 # Parser
 PGEN=		Parser/pgen$(EXE)
+PGEN_FOR_BUILD=$(NATIVE_PGEN)
 
 PSRCS=		\
 		Parser/acceler.c \
@@ -497,9 +498,9 @@
 	    *\ -s*|s*) quiet="-q";; \
 	    *) quiet="";; \
 	esac; \
-	$(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' \
+	$(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)'    \
 		_TCLTK_INCLUDES='$(TCLTK_INCLUDES)' _TCLTK_LIBS='$(TCLTK_LIBS)' \
-		$(PYTHON_FOR_BUILD) $(srcdir)/setup.py $$quiet build
+		PYTHONXCPREFIX='$(DESTDIR)$(prefix)' $(PYTHON_FOR_BUILD) $(srcdir)/setup.py $$quiet build
 
 # Build static library
 # avoid long command lines, same as LIBRARY_OBJS
@@ -636,7 +637,7 @@
 $(GRAMMAR_H): $(GRAMMAR_INPUT) $(PGENSRCS)
 		@$(MKDIR_P) Include
 		$(MAKE) $(PGEN)
-		$(PGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C)
+		$(PGEN_FOR_BUILD) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C)
 $(GRAMMAR_C): $(GRAMMAR_H) $(GRAMMAR_INPUT) $(PGENSRCS)
 		$(MAKE) $(GRAMMAR_H)
 		touch $(GRAMMAR_C)
@@ -1072,12 +1073,12 @@
 		$(INSTALL_DATA) $(srcdir)/Modules/xxmodule.c \
 			$(DESTDIR)$(LIBDEST)/distutils/tests ; \
 	fi
-	PYTHONPATH=$(DESTDIR)$(LIBDEST)  $(RUNSHARED) \
+	-PYTHONPATH=$(DESTDIR)$(LIBDEST)  $(RUNSHARED) \
 		$(PYTHON_FOR_BUILD) -Wi -tt $(DESTDIR)$(LIBDEST)/compileall.py \
 		-d $(LIBDEST) -f \
 		-x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
 		$(DESTDIR)$(LIBDEST)
-	PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
 		$(PYTHON_FOR_BUILD) -Wi -tt -O $(DESTDIR)$(LIBDEST)/compileall.py \
 		-d $(LIBDEST) -f \
 		-x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
@@ -1205,11 +1206,13 @@
 # Install the dynamically loadable modules
 # This goes into $(exec_prefix)
 sharedinstall: sharedmods
+	CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' \
 	$(RUNSHARED) $(PYTHON_FOR_BUILD) $(srcdir)/setup.py install \
+		--skip-build \
 	   	--prefix=$(prefix) \
-		--install-scripts=$(BINDIR) \
-		--install-platlib=$(DESTSHARED) \
-		--root=$(DESTDIR)/
+		--install-scripts=$(DESTDIR)$(BINDIR) \
+		--install-platlib=$(DESTDIR)$(DESTSHARED) \
+		--root=/
 	-rm $(DESTDIR)$(DESTSHARED)/_sysconfigdata.py*
 
 # Here are a couple of targets for MacOSX again, to install a full
--- setup.py.orig	2015-05-23 18:09:25.000000000 +0200
+++ setup.py	2015-10-10 12:29:22.000925764 +0200
@@ -17,7 +17,7 @@
 from distutils.command.install_lib import install_lib
 from distutils.spawn import find_executable
 
-cross_compiling = "_PYTHON_HOST_PLATFORM" in os.environ
+cross_compiling = ("_PYTHON_HOST_PLATFORM" in os.environ) or ('CROSS_COMPILE_TARGET' in os.environ)
 
 def get_platform():
     # cross build
@@ -162,6 +162,7 @@
 
     def build_extensions(self):
 
+        return
         # Detect which modules should be compiled
         missing = self.detect_modules()
 
@@ -326,6 +327,9 @@
 
         # Don't try to load extensions for cross builds
         if cross_compiling:
+            self.announce(
+                 'WARNING: skipping import check for cross-compiled: "%s"' %
+                 ext.name)
             return
 
         try:
@@ -480,7 +484,7 @@
                     for directory in reversed(options.dirs):
                         add_dir_to_list(dir_list, directory)
 
-        if os.path.normpath(sys.prefix) != '/usr' \
+        if os.path.normpath(sys.prefix) != '/usr' and not cross_compiling \
                 and not sysconfig.get_config_var('PYTHONFRAMEWORK'):
             # OSX note: Don't add LIBDIR and INCLUDEDIR to building a framework
             # (PYTHONFRAMEWORK is set) to avoid # linking problems when
@@ -556,6 +560,11 @@
         if host_platform in ['darwin', 'beos']:
             math_libs = []
 
+        # Insert libraries and headers from embedded root file system (RFS)
+        #if 'CROSS_COMPILE_TARGET' in os.environ:
+        #    lib_dirs += [os.environ['RFS'] + '/usr/lib']
+        #    inc_dirs += [os.environ['RFS'] + '/usr/include']
+
         # XXX Omitted modules: gl, pure, dl, SGI-specific modules
 
         #
@@ -2028,8 +2037,13 @@
 
                 # Pass empty CFLAGS because we'll just append the resulting
                 # CFLAGS to Python's; -g or -O2 is to be avoided.
-                cmd = "cd %s && env CFLAGS='' '%s/configure' %s" \
-                      % (ffi_builddir, ffi_srcdir, " ".join(config_args))
+                if cross_compiling:
+                    cmd = "cd %s && env CFLAGS='' '%s/configure' --host=%s --build=%s %s" \
+                          % (ffi_builddir, ffi_srcdir, os.environ.get('HOSTARCH'),
+                             os.environ.get('BUILDARCH'), " ".join(config_args))
+                else:
+                    cmd = "cd %s && env CFLAGS='' '%s/configure' %s" \
+                          % (ffi_builddir, ffi_srcdir, " ".join(config_args))
 
                 res = os.system(cmd)
                 if res or not os.path.exists(ffi_configfile):
--- configure.ac.orig	2015-10-10 13:10:34.139980182 +0200
+++ configure.ac	2015-10-10 13:11:00.715341145 +0200
@@ -325,7 +325,6 @@
 	*)
 		# for now, limit cross builds to known configurations
 		MACHDEP="unknown"
-		AC_MSG_ERROR([cross build not supported for $host])
 	esac
 	ac_sys_release=
     else
@@ -371,7 +370,6 @@
 	*)
 		# for now, limit cross builds to known configurations
 		MACHDEP="unknown"
-		AC_MSG_ERROR([cross build not supported for $host])
 	esac
 	_PYTHON_HOST_PLATFORM="$MACHDEP${_host_cpu:+-$_host_cpu}"
 fi