updated for version 7.2.361
Problem: Ruby 1.9 is not supported.
Solution: Add Ruby 1.9 support. (Msaki Suketa)
diff --git a/src/Makefile b/src/Makefile
index 02b8d6c..7bc2820 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -395,7 +395,9 @@
# RUBY
# Uncomment this when you want to include the Ruby interface.
-#CONF_OPT_RUBY = --enable-rubyinterp
+# Note: you need the development package (e.g., ruby1.9.1-dev on Ubuntu).
+# CONF_OPT_RUBY = --enable-rubyinterp
+# CONF_OPT_RUBY = --enable-rubyinterp --with-ruby-command=ruby1.9.1
# MZSCHEME
# Uncomment this when you want to include the MzScheme interface.