Description: Fix build in Debian GNU/Hurd
Author: Boris Pek <tehnick-8@mail.ru>
Last-Update: 2012-11-20

--- a/src/system.h.in
+++ b/src/system.h.in
@@ -26,6 +26,10 @@
 #define BSD_LIKE
 #endif
 
+#ifdef __GNU__
+#define POSIX_THREAD_SUPPORT
+#endif
+
 #if defined(__CYGWIN__) || defined(__MINGW32__) || defined(_MSC_VER)
 #ifndef WINSOCK
 #define WINSOCK
