Set correct default icu data file for big endian

src/icu_util.cc

 // Copyright 2013 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/icu_util.h"
 
 #if defined(_WIN32)
 #include <windows.h>
 #endif
 
@@ skipping 32 matching lines @@
 bool InitializeICUDefaultLocation(const char* exec_path,
                                   const char* icu_data_file) {
 #if !defined(V8_I18N_SUPPORT)
   return true;
 #else
 #if ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
   if (icu_data_file) {
     return InitializeICU(icu_data_file);
   }
   char* icu_data_file_default;
+#if __BYTE_ORDER == __LITTLE_ENDIAN

[Michael Achenbach, 2016/07/27 08:58:03]

nit: Maybe synonym, I don't know, but in other places we use the pattern and
message:

#if defined(V8_TARGET_LITTLE_ENDIAN)

#elif defined(V8_TARGET_BIG_ENDIAN)

#else
#error Unknown byte ordering
#endif

Prefer consistency.

[miran.karic, 2016/07/27 13:32:15]

After including "src/base/build_config.h" this works, done.

On 2016/07/27 08:58:03, Michael Achenbach (slow) wrote:

   RelativePath(&icu_data_file_default, exec_path, "icudtl.dat");
+#elif __BYTE_ORDER == __BIG_ENDIAN
+  RelativePath(&icu_data_file_default, exec_path, "icudtb.dat");
+#else
+#error Unknown endianness
+#endif
   bool result = InitializeICU(icu_data_file_default);
   free(icu_data_file_default);
   return result;
 #else
   return InitializeICU(NULL);
 #endif
 #endif
 }
 
 bool InitializeICU(const char* icu_data_file) {
@@ skipping 39 matching lines @@
 
   UErrorCode err = U_ZERO_ERROR;
   udata_setCommonData(reinterpret_cast<void*>(g_icu_data_ptr), &err);
   return err == U_ZERO_ERROR;
 #endif
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8