Rename erb.so to erb/escape.so

Author: k0kubun

Rakefile

@@ -9,7 +9,7 @@ end
 
 if RUBY_ENGINE != 'jruby'
   require 'rake/extensiontask'
-  Rake::ExtensionTask.new('erb')
+  Rake::ExtensionTask.new(:erb)
   task test: :compile
 end
 

ext/erb/erb.c ext/erb/escape.cext/erb/erb.c renamed to ext/erb/escape.c

@@ -1,2 +1,2 @@
 require 'mkmf'
-create_makefile 'erb'
+create_makefile 'erb/escape'

ext/erb/extconf.rb

@@ -1000,7 +1000,7 @@ module Util
     #
     begin
       # ERB::Util.html_escape
-      require 'erb.so'
+      require 'erb/escape.so'
     rescue LoadError
       def html_escape(s)
         CGI.escapeHTML(s.to_s)