merge revision(s) 4246e102d49eae0bd1bca01fba53286ad8178d2a:

	Enabled to build extensions with the bundled gems again

	https://github.com/ruby/ruby/commit/cbb115213c42f15638ef119eb20c4d3106eb8b1a
	https://github.com/ruby/ruby/commit/5c1b76a3a55afeb07116bbd3492303c6b6cd890d
	---
	 tool/rbinstall.rb | 3 ---
	 1 file changed, 3 deletions(-)

2 files changed, 1 insertions, 4 deletions

diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
index e4cb17c8ed..4832d60487 100755
--- a/tool/rbinstall.rb
+++ b/tool/rbinstall.rb
@@ -848,9 +848,6 @@ module RbInstall
     def write_cache_file
     end
 
-    def build_extensions
-    end
-
     def shebang(bin_file_name)
       path = File.join(gem_dir, spec.bindir, bin_file_name)
       first_line = File.open(path, "rb") {|file| file.gets}
diff --git a/version.h b/version.h
index 5e02706f51..5daa3bbf68 100644
--- a/version.h
+++ b/version.h
@@ -11,7 +11,7 @@
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 3
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 80
+#define RUBY_PATCHLEVEL 81
 
 #define RUBY_RELEASE_YEAR 2022
 #define RUBY_RELEASE_MONTH 10