diff --git a/libstdc++/stl/ChangeLog b/libstdc++/stl/ChangeLog
index 79dbea55a13..b02adc33134 100644
--- a/libstdc++/stl/ChangeLog
+++ b/libstdc++/stl/ChangeLog
@@ -1,3 +1,7 @@
+Tue Apr 13 00:32:57 1999  Mumit Khan  <khan@xraylith.wisc.edu>
+
+	* stl_config.h (__MINGW32__): Mingw32 RTL lacks drand48.
+
 Sun Apr 11 23:48:30 1999  Jeffrey A Law  (law@cygnus.com)
 
 	* bitset: Re-install Alexandre's lost patch from 1998-11-27.
diff --git a/libstdc++/stl/stl_config.h b/libstdc++/stl/stl_config.h
index 1f84fbf6776..4c23e3e4167 100644
--- a/libstdc++/stl/stl_config.h
+++ b/libstdc++/stl/stl_config.h
@@ -197,6 +197,10 @@
 #   define __STL_HAS_NAMESPACES
 # endif
 
+# if defined(__MINGW32__)
+#   define __STL_NO_DRAND48
+# endif
+
 # if defined(_MSC_VER)
 #   define __STL_NO_DRAND48
 #   define __STL_NEED_TYPENAME