--- include/__locale.orig	2014-03-11 17:18:47 UTC
+++ include/__locale
@@ -23,7 +23,15 @@
 # include <support/win32/locale_win32.h>
 #elif defined(_AIX)
 # include <support/ibm/xlocale.h>
-#elif (defined(__GLIBC__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)) || defined(__EMSCRIPTEN__) || defined(__IBMCPP__)
+#elif defined (__FreeBSD__)
+# include <sys/param.h>
+# if __FreeBSD_version < 900000
+#   define __LONG_LONG_SUPPORTED
+#   include <stdlib.h>
+#   include <limits.h>
+# endif
+# include <xlocale.h>
+#elif (defined(__GLIBC__) || defined(__APPLE__) || defined(__sun__)) || defined(__EMSCRIPTEN__) || defined(__IBMCPP__) || defined(__DragonFly__)
 # include <xlocale.h>
 #endif  // _WIN32 || __GLIBC__ || __APPLE__ || __FreeBSD__ || __sun__ || __EMSCRIPTEN__ || __IBMCPP__
 
@@ -341,10 +349,10 @@ public:
     static const mask punct  = _PUNCT;
     static const mask xdigit = _HEX;
     static const mask blank  = _BLANK;
-#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__EMSCRIPTEN__) || defined(__NetBSD__)
+#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__EMSCRIPTEN__) || defined(__NetBSD__) || defined(__DragonFly__)
 #ifdef __APPLE__
     typedef __uint32_t mask;
-#elif defined(__FreeBSD__)
+#elif defined(__FreeBSD__) || defined(__DragonFly__)
     typedef unsigned long mask;
 #elif defined(__EMSCRIPTEN__) ||  defined(__NetBSD__)
     typedef unsigned short mask;