--- crf/crfasgd.cpp.orig 2012-09-14 23:31:35.000000000 +0900
+++ crf/crfasgd.cpp 2013-12-30 10:07:41.000000000 +0900
-#if defined(__GXX_EXPERIMENTAL_CXX0X__)
+#if __cplusplus >= 201103L || defined(_LIBCPP_VERSION)
+# include <unordered_map>
+# define hash_map unordered_map
+#elif defined(__GXX_EXPERIMENTAL_CXX0X__)
# include <unordered_map>
# define hash_map unordered_map
--- crf/crfsgd.cpp.orig 2012-09-14 23:31:35.000000000 +0900
+++ crf/crfsgd.cpp 2013-12-30 10:07:52.000000000 +0900
-#if defined(__GXX_EXPERIMENTAL_CXX0X__)
+#if __cplusplus >= 201103L || defined(_LIBCPP_VERSION)
+# include <unordered_map>
+# define hash_map unordered_map
+#elif defined(__GXX_EXPERIMENTAL_CXX0X__)
# include <unordered_map>
# define hash_map unordered_map
--- svm/prep_rcv1.cpp.orig 2012-09-14 23:31:35.000000000 +0900
+++ svm/prep_rcv1.cpp 2013-12-30 10:08:13.000000000 +0900
-#if defined(__GXX_EXPERIMENTAL_CXX0X__)
+#if __cplusplus >= 201103L || defined(_LIBCPP_VERSION)
+# include <unordered_map>
+# define hash_map unordered_map
+#elif defined(__GXX_EXPERIMENTAL_CXX0X__)
# include <unordered_map>
# define hash_map unordered_map