[Boost-commit] svn:boost r65530 - trunk/boost/config/compiler

Subject: [Boost-commit] svn:boost r65530 - trunk/boost/config/compiler
From: john_at_[hidden]
Date: 2010-09-22 04:24:09

Author: johnmaddock
Date: 2010-09-22 04:24:07 EDT (Wed, 22 Sep 2010)
New Revision: 65530
URL: http://svn.boost.org/trac/boost/changeset/65530

Log:
Fix for cygwin symbol visibility - sometimes _WIN32 may be defined even on cygwin.
Fixes #4670.
Text files modified: 
   trunk/boost/config/compiler/gcc.hpp |     2 +-                                      
   1 files changed, 1 insertions(+), 1 deletions(-)

Modified: trunk/boost/config/compiler/gcc.hpp
==============================================================================
--- trunk/boost/config/compiler/gcc.hpp	(original)
+++ trunk/boost/config/compiler/gcc.hpp	2010-09-22 04:24:07 EDT (Wed, 22 Sep 2010)
@@ -115,7 +115,7 @@
 // Dynamic shared object (DSO) and dynamic-link library (DLL) support
 //
 #if __GNUC__ >= 4
-#  if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
+#  if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32)) && !defined(__CYGWIN__)
      // All Win32 development environments, including 64-bit Windows and MinGW, define 
      // _WIN32 or one of its variant spellings. Note that Cygwin is a POSIX environment,
      // so does not define _WIN32 or its variants.