Use C++11 / gnu++11, not 0x

build/standalone.gypi

Index: build/standalone.gypi
diff --git a/build/standalone.gypi b/build/standalone.gypi
index 1dc66a3537eaf110b14f3a54d9c472047ff4d534..0a9d9d04c3db356e08c3c3e5f27066ce66eb1ab7 100644
--- a/build/standalone.gypi
+++ b/build/standalone.gypi
@@ -701,7 +701,7 @@
           '-Wnon-virtual-dtor',
           '-fno-exceptions',
           '-fno-rtti',
-          '-std=gnu++0x',
+          '-std=gnu++11',
         ],
         'ldflags': [ '-pthread', ],
         'conditions': [
@@ -751,7 +751,7 @@
           '-Wnon-virtual-dtor',
           '-fno-exceptions',
           '-fno-rtti',
-          '-std=gnu++0x',
+          '-std=gnu++11',
         ],
         'conditions': [
           [ 'visibility=="hidden"', {
@@ -981,7 +981,7 @@
           ['clang==1', {
             'xcode_settings': {
               'GCC_VERSION': 'com.apple.compilers.llvm.clang.1_0',
-              'CLANG_CXX_LANGUAGE_STANDARD': 'gnu++0x',  # -std=gnu++0x
+              'CLANG_CXX_LANGUAGE_STANDARD': 'gnu++11',  # -std=gnu++11

[Nico, 2016/03/21 14:40:42]

chromium uses c++11 on mac, and v8 tries to match chromium, so i'd change this
to std=c++11

[JF, 2016/03/21 19:18:27]

Done.

             },
             'conditions': [
               ['v8_target_arch=="x64" or v8_target_arch=="arm64" \