Added BOOST_HAS_LONG_LONG config option.

[SVN r11392]

include/boost/config/compiler/gcc.hpp

@@ -35,6 +35,11 @@
 //
 #define BOOST_HAS_THREADS
 
+//
+// long long support: always turn this on here?
+//
+#define BOOST_HAS_LONG_LONG
+
 #define BOOST_COMPILER "GNU C++ version " BOOST_STRINGIZE(__GNUC__) "." BOOST_STRINGIZE(__GNUC_MINOR__)
 
 //

include/boost/config/suffix.hpp

@@ -21,6 +21,15 @@
 #   define BOOST_DECL  // default for compilers not needing this decoration.
 # endif
 
+//
+// look for long long by looking for the appropriate macros in <climits>
+//
+#include <climits>
+# if !defined(BOOST_MSVC) && !defined(__BORLANDC__) \
+   && (defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX))
+#  define BOOST_HAS_LONG_LONG
+#endif
+
 //
 // Assume any extensions are in namespace std:: unless stated otherwise:
 //