Makefile in ParseTree-1.3.0 vs Makefile in ParseTree-1.3.2

@@ -1,11 +1,11 @@
 RUBY?=ruby
-RUBY_FLAGS?=-w -Ilib
+RUBY_FLAGS?=-w -Ilib -Ibin
 RUBY_LIB?=$(shell $(RUBY) -rrbconfig -e 'include Config; print CONFIG["sitelibdir"]')
 PREFIX?=/usr/local
 
 all test: FORCE
-	$(RUBY) $(RUBY_FLAGS) test/test_all.rb
+	GEM_SKIP=ParseTree $(RUBY) $(RUBY_FLAGS) test/test_all.rb
 
 # we only install test_sexp_processor.rb to help make ruby_to_c's
 # subclass tests work.
 
 docs: