From 060cfa933323c803151d417d7bc24727b45c10d6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20Sch=C3=B6pflin?= <markus.schoepflin@comsoft.de>
Date: Thu, 7 Oct 2004 13:07:33 +0000
Subject: [PATCH] Tru64/GCC threading fix.

[SVN r25607]
---
 include/boost/config/stdlib/libstdcpp3.hpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/boost/config/stdlib/libstdcpp3.hpp b/include/boost/config/stdlib/libstdcpp3.hpp
index 796ad1bd..9774e876 100644
--- a/include/boost/config/stdlib/libstdcpp3.hpp
+++ b/include/boost/config/stdlib/libstdcpp3.hpp
@@ -22,6 +22,12 @@
 #  define BOOST_NO_STD_WSTREAMBUF
 #endif
 
+#if defined(__osf__) && !defined(_REENTRANT) && defined(_GLIBCXX_HAVE_GTHR_DEFAULT)
+// GCC 3.4 on Tru64 forces the definition of _REENTRANT when any std lib header
+// file is included, therefore for consistency we define it here as well.
+#  define _REENTRANT
+#endif
+
 #ifdef __GLIBCXX__ // gcc 3.4 and greater:
 #  ifdef _GLIBCXX_HAVE_GTHR_DEFAULT
       // 
@@ -43,5 +49,3 @@
 // support is useless.
 #  undef BOOST_HAS_LONG_LONG
 #endif
-
-