Added *nix identification macros to Boost.Config; BOOST_NIX, BOOST_GENETIC_NIX,

BOOST_TRADEMARK_NIX and BOOST_FUNCTIONAL_NIX.



[SVN r66804]

include/boost/config/compiler/visualc.hpp

@@ -37,6 +37,9 @@
    //
 #endif
 
+/// Visual Studio has no fenv.h
+#define BOOST_NO_FENV_H
+
 #if (_MSC_VER <= 1300)  // 1300 == VC++ 7.0
 
 #  if !defined(_MSC_EXTENSIONS) && !defined(BOOST_NO_DEPENDENT_TYPES_IN_TEMPLATE_VALUE_PARAMETERS)      // VC7 bug with /Za

include/boost/config/platform/cygwin.hpp

@@ -43,6 +43,9 @@
   #define BOOST_HAS_STDINT_H
 #endif
 
+/// Cygwin has no fenv.h
+#define BOOST_NO_FENV_H
+
 #include <boost/config/posix_features.hpp>
 
 // Cygwin lies about XSI conformance, there is no nl_types.h.

include/boost/config/platform/win32.hpp

@@ -31,7 +31,6 @@
 #  define BOOST_SYMBOL_IMPORT __declspec(dllimport)
 #endif
 
-
 #if defined(__MINGW32__) && ((__MINGW32_MAJOR_VERSION > 2) || ((__MINGW32_MAJOR_VERSION == 2) && (__MINGW32_MINOR_VERSION >= 0)))
 #  define BOOST_HAS_STDINT_H
 #  define __STDC_LIMIT_MACROS

include/boost/config/stdlib/libstdcpp3.hpp

@@ -54,11 +54,6 @@
 #  define BOOST_HAS_THREADS
 #endif
 
-#if !defined(CYGWIN)
-#  include <unistd.h>
-#  define BOOST_HAS_FENV_H
-#endif
-
 #if !defined(_GLIBCPP_USE_LONG_LONG) \
     && !defined(_GLIBCXX_USE_LONG_LONG)\
     && defined(BOOST_HAS_LONG_LONG)
@@ -67,6 +62,10 @@
 #  undef BOOST_HAS_LONG_LONG
 #endif
 
+#if !defined(CYGWIN) 
+#  include <unistd.h>
+#endif
+
 #if defined(__GLIBCXX__) || (defined(__GLIBCPP__) && __GLIBCPP__>=20020514) // GCC >= 3.1.0
 #  define BOOST_STD_EXTENSION_NAMESPACE __gnu_cxx
 #  define BOOST_HAS_SLIST

include/boost/config/stdlib/sgi.hpp

@@ -40,11 +40,8 @@
 #  define BOOST_NO_STRINGSTREAM
 #endif
 
-#if !defined(CYGWIN) && (defined(unix) || defined(__unix) || defined(__unix__))
+#if !defined(CYGWIN)
 #  include <unistd.h>
-#  if defined(_POSIX_VERSION) || defined(_XOPEN_VERSION)
-#     define BOOST_HAS_FENV_H
-#  endif
 #endif
 
 

include/boost/config/stdlib/stlport.hpp

@@ -16,11 +16,8 @@
 #  endif
 #endif
 
-#if !defined(CYGWIN) && (defined(unix) || defined(__unix) || defined(__unix__))
+#if !defined(CYGWIN) 
 #  include <unistd.h>
-#  if defined(_POSIX_VERSION) || defined(_XOPEN_VERSION)
-#     define BOOST_HAS_FENV_H
-#  endif
 #endif
 
 //

include/boost/config/stdlib/vacpp.hpp

@@ -12,11 +12,8 @@
 #define BOOST_HAS_MACRO_USE_FACET
 #define BOOST_NO_STD_MESSAGES
 
-#if !defined(CYGWIN) && (defined(unix) || defined(__unix) || defined(__unix__))
+#if !defined(CYGWIN)
 #  include <unistd.h>
-#  if defined(_POSIX_VERSION) || defined(_XOPEN_VERSION)
-#     define BOOST_HAS_FENV_H
-#  endif
 #endif
 
 //  C++0x headers not yet implemented