Parametrize ruby version.

Makefile

@@ -31,7 +31,7 @@ all:
 #     make install
 #
 test: dotnet/.ok erlang/.ok java/.ok python/.ok php/.ok ruby/.ok
-	python test.py
+	RUBYVER=$(RUBYVER) python test.py
 
 R=http://www.rabbitmq.com/releases
 dotnet/.ok:
@@ -91,17 +91,18 @@ clean::
 	(cd php && \
 		rm -rf .ok lib)
 
+RUBYVER:=1.9
 GEMSVER=1.8.5
 TOPDIR:=$(PWD)
 ruby/.ok:
 	(cd ruby && \
 		wget http://production.cf.rubygems.org/rubygems/rubygems-$(GEMSVER).tgz && \
 		tar xzf rubygems-$(GEMSVER).tgz && \
 		cd rubygems-$(GEMSVER) && \
-		ruby1.8 setup.rb --prefix=$(TOPDIR)/ruby/gems && \
+		ruby$(RUBYVER) setup.rb --prefix=$(TOPDIR)/ruby/gems && \
 		cd .. && \
 		rm -r rubygems-$(GEMSVER).tgz rubygems-$(GEMSVER) && \
-		GEM_HOME=gems/gems RUBYLIB=gems/lib gems/bin/gem1.8 install amqp --version "0.8.0.rc13" && \
+		GEM_HOME=gems/gems RUBYLIB=gems/lib gems/bin/gem$(RUBYVER) install amqp --version "0.8.0.rc13" && \
 		touch .ok)
 clean::
 	(cd ruby && \

test.py

@@ -59,6 +59,7 @@ def gen(prog, arg="", **kwargs):
         'ruby': kwargs.get('ruby', prog),
         'php': kwargs.get('php', prog),
         'arg': arg,
+        'rubyver': os.environ.get('RUBYVER', '1.8'),
         }
     return [
         ('python', './venv/bin/python %(python)s.py %(arg)s' % ctx),
@@ -67,7 +68,7 @@ def gen(prog, arg="", **kwargs):
              'rabbitmq-client.jar %(java)s %(arg)s' % ctx),
         ('dotnet', 'env MONO_PATH=lib/bin mono %(dotnet)s.exe %(arg)s' % ctx),
         ('ruby', 'env RUBYOPT=-rubygems GEM_HOME=gems/gems RUBYLIB=gems/lib '
-             'ruby1.8 %(ruby)s.rb %(arg)s' % ctx),
+             'ruby%(rubyver)s %(ruby)s.rb %(arg)s' % ctx),
         ('php', 'php %(php)s.php %(arg)s' % ctx),
         ]