* gem_prelude.rb (load_full_rubygems_library, const_missing): prevent

  infinite recursion.  [ruby-dev:34539]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16370 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 16 insertions, 5 deletions

diff --git a/ChangeLog b/ChangeLog
index 460564b5f7..67fa03aa46 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon May 12 10:51:46 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* gem_prelude.rb (load_full_rubygems_library, const_missing): prevent
+	  infinite recursion.  [ruby-dev:34539]
+
 Sun May 11 23:19:39 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* enum.c (all_iter_i, any_iter_i): reduced duplicated code.
diff --git a/gem_prelude.rb b/gem_prelude.rb
index e727bee876..8be90510a2 100644
--- a/gem_prelude.rb
+++ b/gem_prelude.rb
@@ -86,7 +86,9 @@ if defined?(Gem::Enable) && Gem::Enable then
             end
           end
 
-          Kernel.send :undef_method, :gem
+          Kernel.module_eval do
+            undef_method :gem if method_defined? :gem
+          end
 
           $".delete File.join(Gem::ConfigMap[:libdir], 'ruby',
                               Gem::ConfigMap[:ruby_version], 'rubygems.rb')
@@ -186,7 +188,11 @@ if defined?(Gem::Enable) && Gem::Enable then
 
       def const_missing(constant)
         QuickLoader.load_full_rubygems_library
-        Gem.const_get(constant)
+        if Gem.const_defined?(constant)
+          Gem.const_get(constant)
+        else
+          super
+        end
       end
 
       def method_missing(method, *args, &block)
diff --git a/version.h b/version.h
index dab59aa07a..be2cc3b0d8 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2008-05-11"
+#define RUBY_RELEASE_DATE "2008-05-12"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20080511
+#define RUBY_RELEASE_CODE 20080512
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2008
 #define RUBY_RELEASE_MONTH 5
-#define RUBY_RELEASE_DAY 11
+#define RUBY_RELEASE_DAY 12
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];