diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 24d1889a39b..f1f970d4740 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+Thu Jan  3 11:05:41 2002  Jeffrey A Law  (law@redhat.com)
+
+        * config/os/hpux/bits/os_defines.h: Prefix __strtoll and
+        __strtoull declarations with __extension__.
+
 2002-01-03  David Billinghurst <David.Billinghurst@riotinto.com>
 
 	* testsuite/lib/prune.exp: Correct regular expression for
diff --git a/libstdc++-v3/config/os/hpux/bits/os_defines.h b/libstdc++-v3/config/os/hpux/bits/os_defines.h
index a548125a7e6..efc5e7abf4d 100644
--- a/libstdc++-v3/config/os/hpux/bits/os_defines.h
+++ b/libstdc++-v3/config/os/hpux/bits/os_defines.h
@@ -60,9 +60,9 @@
    We also force _GLIBCPP_USE_LONG_LONG here so that we don't have
    to bastardize configure to deal with this sillyness.  */
 namespace std {
-  extern "C" long long strtoll (const char *, char **, int)
+  __extension__ extern "C" long long strtoll (const char *, char **, int)
     __asm  ("__strtoll");
-  extern "C" unsigned long long strtoull (const char *, char **, int)
+  __extension__ extern "C" unsigned long long strtoull (const char *, char **, int)
     __asm  ("__strtoull");
 }
 #define _GLIBCPP_USE_LONG_LONG 1