Revert of Pull define for version out into v8-version.h and separate build target

src/version.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/version.h"
 
 #include "include/v8-version.h"
 #include "src/utils.h"
 
 // Define SONAME to have the build system put a specific SONAME into the
 // shared library instead the generic SONAME generated from the V8 version
 // number. This define is mainly used by the build system script.
 #define SONAME            ""
 
+#if V8_IS_CANDIDATE_VERSION
+#define CANDIDATE_STRING " (candidate)"
+#else
+#define CANDIDATE_STRING ""
+#endif
+
+#define SX(x) #x
+#define S(x) SX(x)
+
+#if V8_PATCH_LEVEL > 0
+#define VERSION_STRING                                                      \
+  S(V8_MAJOR_VERSION) "." S(V8_MINOR_VERSION) "." S(V8_BUILD_NUMBER) "." S( \
+      V8_PATCH_LEVEL) CANDIDATE_STRING
+#else
+#define VERSION_STRING                                               \
+  S(V8_MAJOR_VERSION) "." S(V8_MINOR_VERSION) "." S(V8_BUILD_NUMBER) \
+      CANDIDATE_STRING
+#endif
+
 namespace v8 {
 namespace internal {
 
 int Version::major_ = V8_MAJOR_VERSION;
 int Version::minor_ = V8_MINOR_VERSION;
 int Version::build_ = V8_BUILD_NUMBER;
 int Version::patch_ = V8_PATCH_LEVEL;
 bool Version::candidate_ = (V8_IS_CANDIDATE_VERSION != 0);
 const char* Version::soname_ = SONAME;
-const char* Version::version_string_ = V8_VERSION_STRING;
+const char* Version::version_string_ = VERSION_STRING;
 
 // Calculate the V8 version string.
 void Version::GetString(Vector<char> str) {
   const char* candidate = IsCandidate() ? " (candidate)" : "";
 #ifdef USE_SIMULATOR
   const char* is_simulator = " SIMULATOR";
 #else
   const char* is_simulator = "";
 #endif  // USE_SIMULATOR
   if (GetPatch() > 0) {
@@ skipping 21 matching lines @@
                GetMajor(), GetMinor(), GetBuild(), candidate);
     }
   } else {
     // Use specific SONAME.
     SNPrintF(str, "%s", soname_);
   }
 }
 
 }  // namespace internal
 }  // namespace v8