gistfile1.txt

diff --git a/cext/src/include/ruby/ruby.h b/cext/src/include/ruby/ruby.h
index 7e97f11..b17a9db 100644
--- a/cext/src/include/ruby/ruby.h
+++ b/cext/src/include/ruby/ruby.h
@@ -1001,6 +1001,8 @@ RUBY_DLLSPEC extern VALUE rb_eLoadError;
 
 #define ALLOCA_N(type,n) (type*)alloca(sizeof(type)*(n))
 
+#define RUBY_METHOD_FUNC(func) ((VALUE (*)(ANYARGS))func)
+
 #ifdef	__cplusplus
 }
 #endif
diff --git a/lib/ruby/1.8/mkmf.rb b/lib/ruby/1.8/mkmf.rb
index 151c2a5..58355ec 100644
--- a/lib/ruby/1.8/mkmf.rb
+++ b/lib/ruby/1.8/mkmf.rb
@@ -88,6 +88,8 @@ unless defined? $configure_args
   end
 end
 
+Config::CONFIG['archdir'] = $topdir
+
 $libdir = CONFIG["libdir"]
 $rubylibdir = CONFIG["rubylibdir"]
 $archdir = CONFIG["archdir"]