Platform and build updates for Android build

tools/gyp/v8.gyp

 # Copyright 2011 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 37 matching lines @@
     # probing when running on the target.
     'v8_can_use_vfp_instructions%': 'false',
 
     # Setting v8_use_arm_eabi_hardfloat to true will turn on V8 support for ARM
     # EABI calling convention where double arguments are passed in VFP
     # registers. Note that the GCC flag '-mfloat-abi=hard' should be used as
     # well when compiling for the ARM target.
     'v8_use_arm_eabi_hardfloat%': 'false',
 
     'v8_use_snapshot%': 'true',
+    'host_os%': '<(OS)',
     'v8_use_liveobjectlist%': 'false',
   },
   'conditions': [
     ['use_system_v8==0', {
       'target_defaults': {
         'defines': [
           'ENABLE_LOGGING_AND_PROFILING',
           'ENABLE_DEBUGGER_SUPPORT',
           'ENABLE_VMSTATE_TRACKING',
           'V8_FAST_TLS',
@@ skipping 787 matching lines @@
                 '<@(experimental_library_files)'
               ],
             },
           ],
         },
         {
           'target_name': 'mksnapshot',
           'type': 'executable',
           'toolsets': ['host'],
           'dependencies': [
+            'v8_base',

[Mads Ager (chromium), 2011/05/23 15:26:26]

I don't understand why this should be needed? v8_nosnapshot depends on v8_base,
right?

[Søren Thygesen Gjesse, 2011/05/24 13:20:42]

Right, removed.

             'v8_nosnapshot',
           ],
           'include_dirs+': [
             '../../src',
           ],
           'sources': [
             '../../src/mksnapshot.cc',
           ],
           'conditions': [
             # The ARM assembler assumes the host is 32 bits, so force building
@@ skipping 44 matching lines @@
           'target_name': 'v8_shell',
           'type': 'none',
           'dependencies': [
             'v8'
           ],
         },
       ],
     }],
   ],
 }