vici: Add python egg setuptools building and installation using easy_install

An uninstall target is currently not supported, as there is no trivial way with
either plain setuptools or with easy_install. pip would probably be the best
choice, but we currently don't depend on it.

src/libcharon/plugins/vici/python/Makefile.am

@@ -9,3 +9,18 @@ setup.py: $(srcdir)/setup.py.in
 	$(AM_V_GEN) sed \
 	-e "s:@EGG_VERSION@:$(PACKAGE_VERSION):" \
 	$(srcdir)/setup.py.in > $@
+
+all-local: dist/vici-$(PACKAGE_VERSION)-py$(PYTHON_VERSION).egg
+
+dist/vici-$(PACKAGE_VERSION)-py$(PYTHON_VERSION).egg: $(EXTRA_DIST) setup.py
+	(cd $(srcdir); $(PYTHON) setup.py bdist_egg \
+		-b $(shell readlink -f $(builddir))/build \
+		-d $(shell readlink -f $(builddir))/dist)
+
+clean-local: setup.py
+	$(PYTHON) setup.py clean -a
+	rm -rf vici.egg-info dist setup.py
+
+install-exec-local: dist/vici-$(PACKAGE_VERSION)-py$(PYTHON_VERSION).egg
+	$(EASY_INSTALL) $(PYTHONEGGINSTALLDIR) \
+		dist/vici-$(PACKAGE_VERSION)-py$(PYTHON_VERSION).egg