Third attempt to fix ARM cross-compile 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 301 matching lines @@
           'conditions': [
             ['want_separate_host_toolset==1', {
               'toolsets': ['host', 'target'],
               'dependencies': ['mksnapshot#host', 'js2c#host'],
             }, {
               'toolsets': ['target'],
               'dependencies': ['mksnapshot', 'js2c'],
             }],
             # The ARM assembler assumes the host is 32 bits,
             # so force building 32-bit host tools.
-            ['v8_target_arch=="arm" and host_arch=="x64" and \
-              _toolset=="host"', {
-              'cflags': ['-m32'],
-              'ldflags': ['-m32'],
+            ['v8_target_arch=="arm" and host_arch=="x64"', {
+              'target_conditions': [
+                ['_toolset=="host"', {
+                  'cflags': ['-m32'],
+                  'ldflags': ['-m32'],
+                }],
+              ],
             }],
             ['component=="shared_library"', {
               'conditions': [
                 ['OS=="win"', {
                   'defines': [
                     'BUILDING_V8_SHARED',
                   ],
                   'direct_dependent_settings': {
                     'defines': [
                       'USING_V8_SHARED',
@@ skipping 86 matching lines @@
             '../../src',
           ],
           'sources': [
             '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
             '<(SHARED_INTERMEDIATE_DIR)/experimental-libraries.cc',
             '../../src/snapshot-empty.cc',
           ],
           'conditions': [
             # The ARM assembler assumes the host is 32 bits,
             # so force building 32-bit host tools.
-            ['v8_target_arch=="arm" and host_arch=="x64" and \
-              _toolset=="host"', {
-              'cflags': ['-m32'],
-              'ldflags': ['-m32'],
+            ['v8_target_arch=="arm" and host_arch=="x64"', {
+              'target_conditions': [
+                ['_toolset=="host"', {
+                  'cflags': ['-m32'],
+                  'ldflags': ['-m32'],
+                }],
+              ],
             }],
             ['want_separate_host_toolset==1', {
               'toolsets': ['host', 'target'],
               'dependencies': ['js2c#host'],
             }, {
               'toolsets': ['target'],
               'dependencies': ['js2c'],
             }],
             ['component=="shared_library"', {
               'defines': [
@@ skipping 295 matching lines @@
                 '../../src/arm/macro-assembler-arm.cc',
                 '../../src/arm/macro-assembler-arm.h',
                 '../../src/arm/regexp-macro-assembler-arm.cc',
                 '../../src/arm/regexp-macro-assembler-arm.h',
                 '../../src/arm/simulator-arm.cc',
                 '../../src/arm/stub-cache-arm.cc',
               ],
               'conditions': [
                 # The ARM assembler assumes the host is 32 bits,
                 # so force building 32-bit host tools.
-                ['host_arch=="x64" and _toolset=="host"', {
-                  'cflags': ['-m32'],
-                  'ldflags': ['-m32'],
+                ['host_arch=="x64"', {
+                  'target_conditions': [
+                    ['_toolset=="host"', {
+                      'cflags': ['-m32'],
+                      'ldflags': ['-m32'],
+                    }],
+                  ],
                 }],
               ],
             }],
             ['v8_target_arch=="ia32" or v8_target_arch=="mac" or OS=="mac"', {
               'sources': [
                 '../../src/ia32/assembler-ia32-inl.h',
                 '../../src/ia32/assembler-ia32.cc',
                 '../../src/ia32/assembler-ia32.h',
                 '../../src/ia32/builtins-ia32.cc',
                 '../../src/ia32/code-stubs-ia32.cc',
@@ skipping 222 matching lines @@
             '../../src/mksnapshot.cc',
           ],
           'conditions': [
             ['want_separate_host_toolset==1', {
               'toolsets': ['host'],
             }, {
               'toolsets': ['target'],
             }],
             # The ARM assembler assumes the host is 32 bits,
             # so force building 32-bit host tools.
-            ['v8_target_arch=="arm" and host_arch=="x64" and \
-              _toolset=="host"', {
-              'cflags': ['-m32'],
-              'ldflags': ['-m32'],
+            ['v8_target_arch=="arm" and host_arch=="x64"', {
+              'target_conditions': [
+                ['_toolset=="host"', {
+                  'cflags': ['-m32'],
+                  'ldflags': ['-m32'],
+                }],
+              ],
             }],
             ['v8_compress_startup_data=="bz2"', {
               'libraries': [
                 '-lbz2',
               ]}],
           ]
         },
         {
           'target_name': 'v8_shell',
           'type': 'executable',
@@ skipping 48 matching lines @@
           'target_name': 'v8',
           'type': 'settings',
           'conditions': [
             ['want_separate_host_toolset==1', {
               'toolsets': ['host', 'target'],
             }, {
               'toolsets': ['target'],
             }],
             # The ARM assembler assumes the host is 32 bits,
             # so force building 32-bit host tools.
-            ['v8_target_arch=="arm" and host_arch=="x64" and \
-              _toolset=="host"', {
-              'cflags': ['-m32'],
-              'ldflags': ['-m32'],
+            ['v8_target_arch=="arm" and host_arch=="x64"', {
+              'target_conditions': [
+                ['_toolset=="host"', {
+                  'cflags': ['-m32'],
+                  'ldflags': ['-m32'],
+                }],
+              ],
             }],
           ],
           'link_settings': {
             'libraries': [
               '-lv8',
             ],
           },
         },
         {
           'target_name': 'v8_shell',
           'type': 'none',
           'conditions': [
             ['want_separate_host_toolset==1', {
               'toolsets': ['host'],
             }, {
               'toolsets': ['target'],
             }],
           ],
           'dependencies': [
             'v8'
           ],
         },
       ],
     }],
   ],
 }