merge revision(s) 3112475469e35b522448858d23ee1651532276e7:

	Skip build extensions again on mswin and mingw

	---
	 tool/rbinstall.rb | 3 +++
	 1 file changed, 3 insertions(+)

1 files changed, 3 insertions, 0 deletions

diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
index 4832d60487..2e1b6d4bd8 100755
--- a/tool/rbinstall.rb
+++ b/tool/rbinstall.rb
@@ -848,6 +848,9 @@ module RbInstall
     def write_cache_file
     end
 
+    def build_extensions
+    end if /mswin|mingw/ =~ RUBY_PLATFORM
+
     def shebang(bin_file_name)
       path = File.join(gem_dir, spec.bindir, bin_file_name)
       first_line = File.open(path, "rb") {|file| file.gets}