tools/python: Conversion utility for legacy migration streams

This utility will take a legacy stream as in input, and produce a v2
stream as an output.  It is exec()'d by libxl to provide backwards
compatibility.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Ian Campbell <Ian.Campbell@citrix.com>
CC: Ian Jackson <Ian.Jackson@eu.citrix.com>
CC: Wei Liu <wei.liu2@citrix.com>

tools/python/Makefile

@@ -17,9 +17,13 @@ build: genwrap.py $(XEN_ROOT)/tools/libxl/libxl_types.idl \
 
 .PHONY: install
 install:
+	$(INSTALL_DIR) $(DESTDIR)$(PRIVATE_BINDIR)
+
 	CC="$(CC)" CFLAGS="$(PY_CFLAGS)" $(PYTHON) setup.py install \
 		$(PYTHON_PREFIX_ARG) --root="$(DESTDIR)" --force
 
+	$(INSTALL_PROG) scripts/convert-legacy-stream $(DESTDIR)$(PRIVATE_BINDIR)
+
 .PHONY: test
 test:
 	export LD_LIBRARY_PATH=$$(readlink -f ../libxc):$$(readlink -f ../xenstore); $(PYTHON) test.py -b -u