Preliminary C++0x support

[SVN r36149]

include/boost/config/compiler/gcc.hpp

@@ -82,7 +82,41 @@
 #define BOOST_HAS_NRVO
 #endif
 
-#define BOOST_COMPILER "GNU C++ version " __VERSION__
+//
+// C++0x features
+//
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2)
+// C++0x features are only enabled when -std=c++0x or -std=gnu++0x are
+// passed on the command line, which in turn defines
+// __GXX_EXPERIMENTAL_CXX0X__. Note: __GXX_EXPERIMENTAL_CPP0X__ is
+// defined by some very early development versions of GCC 4.3; we will
+// remove this part of the check in the near future.
+#  if defined(__GXX_EXPERIMENTAL_CPP0X__) || defined(__GXX_EXPERIMENTAL_CXX0X__)
+#    define BOOST_CXX0X_PREPROCESSOR
+#    define BOOST_CXX0X_STATIC_ASSERT
+#  endif
+#endif
+
+//
+// Potential C++0x features
+//
+
+// Variadic templates compiler: 
+//   http://www.generic-programming.org/~dgregor/cpp/variadic-templates.html
+#ifdef __VARIADIC_TEMPLATES
+#  define BOOST_CXX0X_VARIADIC_TEMPLATES
+#endif
+
+// ConceptGCC compiler:
+//   http://www.generic-programming.org/software/ConceptGCC/
+#ifdef __GXX_CONCEPTS__
+#  define BOOST_CXX0X_CONCEPTS
+#  define "ConceptGCC version " __VERSION__
+#endif
+
+#ifndef BOOST_COMPILER
+#  define BOOST_COMPILER "GNU C++ version " __VERSION__
+#endif
 
 //
 // versions check:
@@ -91,8 +125,8 @@
 #  error "Compiler not configured - please reconfigure"
 #endif
 //
-// last known and checked version is 4.0 (Pre-release):
-#if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 0))
+// last known and checked version is 4.3 (Pre-release):
+#if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 3))
 #  if defined(BOOST_ASSERT_CONFIG)
 #     error "Unknown compiler version - please run the configure tests and report the results"
 #  else

include/boost/config/suffix.hpp

@@ -38,6 +38,16 @@
 # endif
 #endif
 
+// BOOST_HAS_LONG_LONG implies BOOST_CXX0X_LONG_LONG, and vice-versa
+#if defined(BOOST_HAS_LONG_LONG) || defined(BOOST_CXX0X_LONG_LONG)
+#  ifndef BOOST_HAS_LONG_LONG
+#    define BOOST_HAS_LONG_LONG
+#  endif
+#  ifndef BOOST_CXX0X_LONG_LONG
+#    define BOOST_CXX0X_LONG_LONG
+#  endif
+#endif
+
 // GCC 3.x will clean up all of those nasty macro definitions that
 // BOOST_NO_CTYPE_FUNCTIONS is intended to help work around, so undefine
 // it under GCC 3.x.