Merge experimental/a64 to bleeding_edge.

build/android.gypi

 # Copyright 2012 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 166 matching lines @@
               ['target_arch=="mipsel"', {
                 'ldflags': [
                   '-L<(android_stlport_libs)/mips',
                 ],
               }],
               ['target_arch=="ia32"', {
                 'ldflags': [
                   '-L<(android_stlport_libs)/x86',
                 ],
               }],
+              ['target_arch=="a64"', {
+                'ldflags': [
+                  '-L<(android_stlport_libs)/arm64',
+                ],
+              }],
             ],
           }],
           ['target_arch=="ia32"', {
             # The x86 toolchain currently has problems with stack-protector.
             'cflags!': [
               '-fstack-protector',
             ],
             'cflags': [
               '-fno-stack-protector',
             ],
           }],
           ['target_arch=="mipsel"', {
             # The mips toolchain currently has problems with stack-protector.
             'cflags!': [
               '-fstack-protector',
               '-U__linux__'
             ],
             'cflags': [
               '-fno-stack-protector',
             ],
           }],
         ],
         'target_conditions': [
           ['_type=="executable"', {
+            'conditions': [
+              ['target_arch=="a64"', {
+                'ldflags': [
+                  '-Wl,-dynamic-linker,/system/bin/linker64',
+                ],
+              }, {
+                'ldflags': [
+                  '-Wl,-dynamic-linker,/system/bin/linker',
+                ],
+              }]
+            ],
             'ldflags': [
               '-Bdynamic',
-              '-Wl,-dynamic-linker,/system/bin/linker',
-              '-Wl,--gc-sections',
               '-Wl,-z,nocopyreloc',
               # crtbegin_dynamic.o should be the last item in ldflags.
               '<(android_lib)/crtbegin_dynamic.o',
             ],
             'libraries': [
               # crtend_android.o needs to be the last item in libraries.
               # Do not add any libraries after this!
               '<(android_lib)/crtend_android.o',
             ],
           }],
@@ skipping 18 matching lines @@
         'ldflags!': [
           '-Wl,-z,noexecstack',
           '-Wl,--gc-sections',
           '-Wl,-O1',
           '-Wl,--as-needed',
         ],
       }],
     ],  # target_conditions
   },  # target_defaults
 }