lib/pycall/wrapper_object_cache.rb in pycall-1.4.0 vs lib/pycall/wrapper_object_cache.rb in pycall-1.4.1

@@ -4,10 +4,15 @@
     begin
       ObjectSpace::WeakMap.new[42] = Object.new
     rescue
       WMAP_SUPPORT_INT_KEY = false
     else
-      WMAP_SUPPORT_INT_KEY = true
+      case RUBY_PLATFORM
+      when /cygwin/, /mingw/, /mswin/
+        WMAP_SUPPORT_INT_KEY = false
+      else
+        WMAP_SUPPORT_INT_KEY = true
+      end
     end
 
     if WMAP_SUPPORT_INT_KEY
       def self.get_key(pyptr)
         pyptr.__address__