Issue 4907 - Update v8 to 5.7.278 in libadblockplus

common.gypi

 {
   'variables': {
+    'component%': 'static_library',
     'visibility%': 'hidden',
     'library%': 'static_library',
-    'component%': '',
-    'want_separate_host_toolset': 0,
-    'v8_optimized_debug': 0,
-    'v8_enable_i18n_support': 0,
   },
 
   'conditions': [
     ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
        or OS=="netbsd" or OS=="android"', {
       'target_defaults': {
+        'cflags': [ '-pthread' ],
         # V8 headers cause a build error on recent gcc.
         # Adding -fpermissive to solve this.
         # See https://issues.adblockplus.org/ticket/4950
         # We might be able to do without after upgrading V8.
-        'cflags': [ '-Wall', '-W', '-Wno-unused-parameter',
-                    '-Wnon-virtual-dtor', '-pthread', '-fno-rtti',
-                    '-pedantic', '-std=c++0x', '-fexceptions', '-fpermissive' ],
+        'cflags_cc': [ '-fno-rtti', '-std=c++11', '-fexceptions', '-fpermissive' ],
         'cflags!': [ '-Werror', ],
         'ldflags': [ '-pthread', ],
       },
     }],
     ['OS=="mac"', {
       'xcode_settings': {
         'CLANG_CXX_LANGUAGE_STANDARD': 'c++11',
         'CLANG_CXX_LIBRARY': 'libc++',
-        'OTHER_CPLUSPLUSFLAGS' : ['-std=c++11', '-stdlib=libc++'],
       },
     }],
-    ['OS=="android"', {
+  ],
+  'target_conditions': [
+    ['OS=="android" and not "host" in toolsets', {
       'target_defaults': {
         'cflags!': [
-          '-pthread',  # Not supported by Android toolchain.
+          '-pthread',  # Not fully supported by Android toolchain. Built-in suport of major functions, no need to link with it.
         ],
         'ldflags!': [
-          '-pthread',  # Not supported by Android toolchain.
+          '-llog'
+          '-pthread',  # Not fully supported by Android toolchain. Built-in suport of major functions, no need to link with it.
         ],
       },
     }],
   ],
 
   'target_defaults': {
+    'configurations': {
+      'Debug': {},
+      'Release': {}
+    },
     'msvs_cygwin_shell': 0,
-    'target_conditions': [[
-      'OS=="mac" and _type=="executable"', {
-        'xcode_settings': {
-          'OTHER_LDFLAGS': ['-stdlib=libc++'],
-        },
-      }
-    ]],
+    'target_conditions': [
+      ['_type=="static_library"', {
+        'standalone_static_library': 1
+      }]
+    ]
   }
 }