diff --git a/include/boost/date_time/compiler_config.hpp b/include/boost/date_time/compiler_config.hpp
index fc57d32..33f1df1 100644
--- a/include/boost/date_time/compiler_config.hpp
+++ b/include/boost/date_time/compiler_config.hpp
@@ -135,7 +135,7 @@ namespace std {
 #endif  // auto-linking disabled
 
 #if defined(BOOST_HAS_THREADS) 
-#  if defined(_MSC_VER) || defined(__MWERKS__) || defined(__MINGW32__)
+#  if defined(_MSC_VER) || defined(__MWERKS__) || defined(__MINGW32__) ||  defined(__BORLANDC__)
      //no reentrant posix functions (eg: localtime_r)
 #  else
 #   define BOOST_DATE_TIME_HAS_REENTRANT_STD_FUNCTIONS