Makefile: change "make local" to build a fully working local version.

Makefile

@@ -7,7 +7,7 b' help:'
 	@echo '  all          - build program and documentation'
 	@echo '  install      - install program and man pages to PREFIX ($(PREFIX))'
 	@echo '  install-home - install with setup.py install --home=HOME ($(HOME))'
-	@echo '  local        - build C extensions for inplace usage'
+	@echo '  local        - build for inplace usage'
 	@echo '  tests        - run all tests in the automatic test suite'
 	@echo '  test-foo     - run only specified tests (e.g. test-merge1)'
 	@echo '  dist         - run all tests and create a source tarball in dist/'
@@ -24,6 +24,8 b' all: build doc'
 
 local:
 	$(PYTHON) setup.py build_ext -i
+	$(PYTHON) setup.py build_py -c -d .
+	$(PYTHON) hg version
 
 build:
 	$(PYTHON) setup.py build