From 8436c4d271ea7fa63fe488e0b34c1ada698c73e0 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Fri, 16 Aug 2002 15:55:19 +0000
Subject: [PATCH] #pragma option -pc around use_count_is_zero added for Borland
 5.5.1, to enable compilation with -ps set.

[SVN r14927]
---
 include/boost/detail/shared_count.hpp | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/include/boost/detail/shared_count.hpp b/include/boost/detail/shared_count.hpp
index 17aeb9d..299fadb 100644
--- a/include/boost/detail/shared_count.hpp
+++ b/include/boost/detail/shared_count.hpp
@@ -38,16 +38,31 @@
 namespace boost
 {
 
+// The standard library that comes with Borland C++ 5.5.1
+// defines std::exception and its members as having C calling
+// convention (-pc). When the definition of use_count_is_zero
+// is compiled with -ps, the compiler issues an error.
+// Hence, the temporary #pragma option -pc below. The version
+// check is deliberately conservative.
+
+#if defined(__BORLANDC__) && __BORLANDC__ == 0x551
+# pragma option push -pc
+#endif
+
 class use_count_is_zero: public std::exception
 {
 public:
 
     virtual char const * what() const throw()
     {
-        return "use_count_is_zero";
+		return "boost::use_count_is_zero";
     }
 };
 
+#if defined(__BORLANDC__) && __BORLANDC__ == 0x551
+# pragma option pop
+#endif
+
 class counted_base
 {
 private: