diff --git a/include/boost/config/platform/win32.hpp b/include/boost/config/platform/win32.hpp
index f59c4ea7..690f464a 100644
--- a/include/boost/config/platform/win32.hpp
+++ b/include/boost/config/platform/win32.hpp
@@ -39,6 +39,11 @@
 #  define BOOST_HAS_UNISTD_H
 #endif
 
+#if defined(__MINGW32__) && (__GNUC__ >= 4)
+#  define BOOST_HAS_EXPM1
+#  define BOOST_HAS_LOG1P
+#  define BOOST_HAS_GETTIMEOFDAY
+#endif
 //
 // Win32 will normally be using native Win32 threads,
 // but there is a pthread library avaliable as an option,