macos can not install protobuf

[Xianjie Li]

when I use command line:brew edit protobuf ,adding bold code:

def install

    # Don't build in debug mode. See:

    # https://github.com/Homebrew/homebrew/issues/9279

    # https://github.com/google/protobuf/blob/5c24564811c08772d090305be36fae82d8f12bbe/configure.ac#L61

    # ADD THE FOLLOWING:

    ENV.append "CXXFLAGS", "-stdlib=libstdc++"

    ENV.append "CFLAGS", "-stdlib=libstdc++"

    ENV.append "LDFLAGS", "-stdlib=libstdc++ -lstdc++"

    # The following is necessary because libtool likes to strip LDFLAGS:

    ENV["CXX"] = "/usr/bin/clang++ -stdlib=libstdc++"

    ENV.prepend "CXXFLAGS", "-DNDEBUG"

    ENV.cxx11

    (buildpath/"gmock").install resource("gmock")

    system "./autogen.sh"

    system "./configure", "--disable-debug", "--disable-dependency-tracking",

                          "--prefix=#{prefix}", "--with-zlib"

    system "make"

    system "make", "check" if build.with?("test") || build.bottle?

    system "make", "install"

    # Install editor support and examples

    doc.install "editors", "examples"

    Language::Python.each_python(build) do |python, version|

      # google-apputils is a build-time dependency

      ENV.prepend_create_path "PYTHONPATH", buildpath/"homebrew/lib/python#{version}/site-packages"

      res = resources.map(&:name).to_set - ["gmock"]

      res.each do |package|

        resource(package).stage do

          system python, *Language::Python.setup_install_args(buildpath/"homebrew")

        end

      end

then I ran the command line :brew install --build-from-source --with-python -vd protobuf

it shows that:

In file included from google/protobuf/message_lite.cc:46:
In file included from ./google/protobuf/io/zero_copy_stream_impl_lite.h:49:
./google/protobuf/stubs/shared_ptr.h:60:12: error: no member named 'enable_shared_from_this' in namespace 'std'
using std::enable_shared_from_this;
~~~~~^
./google/protobuf/stubs/shared_ptr.h:61:12: error: no member named 'shared_ptr' in namespace 'std'
using std::shared_ptr;
~~~~~^
./google/protobuf/stubs/shared_ptr.h:62:12: error: no member named 'static_pointer_cast' in namespace 'std'
using std::static_pointer_cast;
~~~~~^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
In file included from google/protobuf/extension_set.cc:41:
In file included from ./google/protobuf/wire_format_lite_inl.h:47:
./google/protobuf/arenastring.h:216:37: error: no member named 'move' in namespace 'std'
ptr_ = new ::std::string(std::move(value));
~~~~~^
make[2]: *** [google/protobuf/message_lite.lo] Error 1
./google/protobuf/arenastring.h:218:20: error: no member named 'move' in namespace 'std'
*ptr_ = std::move(value);
~~~~~^
18 errors generated.
make[2]: *** [google/protobuf/extension_set.lo] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2
/usr/local/Homebrew/Library/Homebrew/debrew.rb:11:in `raise'
BuildError: Failed executing: make 
1. raise
2. ignore
3. backtrace
4. irb
5. shell
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reference: http://caffe.berkeleyvision.org/install_osx.html