Version 2.2.11...

src/platform.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 65 matching lines @@
 
 int strncasecmp(const char* s1, const char* s2, int n);
 
 #endif  // _MSC_VER
 
 // Random is missing on both Visual Studio and MinGW.
 int random();
 
 #endif  // WIN32
 
+
+#ifdef __sun
+# ifndef signbit
+int signbit(double x);
+# endif
+#endif
+
+
 // GCC specific stuff
 #ifdef __GNUC__
 
 // Needed for va_list on at least MinGW and Android.
 #include <stdarg.h>
 
 #define __GNUC_VERSION__ (__GNUC__ * 10000 + __GNUC_MINOR__ * 100)
 
 // Unfortunately, the INFINITY macro cannot be used with the '-pedantic'
 // warning flag and certain versions of GCC due to a bug:
@@ skipping 462 matching lines @@
   bool active_;
   PlatformData* data_;  // Platform specific data.
   DISALLOW_IMPLICIT_CONSTRUCTORS(Sampler);
 };
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal
 
 #endif  // V8_PLATFORM_H_