|  | @@ -6,3 +6,62 @@ This directory contains source code for C++ implementation of gRPC.
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				|  |  |  #Status
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				|  |  |  
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				|  |  |  Beta
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				|  |  | +
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				|  |  | +#Pre-requisites
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				|  |  | +
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				|  |  | +##Linux
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				|  |  | +
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				|  |  | +```sh
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				|  |  | + $ [sudo] apt-get install build-essential autoconf libtool
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				|  |  | +```
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				|  |  | +
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				|  |  | +##Mac OSX
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				|  |  | +
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				|  |  | +For a Mac system, git is not available by default. You will first need to
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				|  |  | +install Xcode from the Mac AppStore and then run the following command from a
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				|  |  | +terminal:
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				|  |  | +
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				|  |  | +```sh
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				|  |  | + $ [sudo] xcode-select --install
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				|  |  | +```
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				|  |  | +
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				|  |  | +##Protoc
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				|  |  | +
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				|  |  | +By default gRPC uses [protocol buffers](https://github.com/google/protobuf),
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				|  |  | +you will need the `protoc` compiler to generate stub server and client code.
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				|  |  | +
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				|  |  | +If you compile gRPC from source, as described below, the Makefile will
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				|  |  | +automatically try and compile the `protoc` in third party if you cloned the
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				|  |  | +repository recursively and it detects that you don't already have it
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				|  |  | +installed.
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				|  |  | +
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				|  |  | +If it hasn't been installed, you can run the following commands to install it.
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				|  |  | +
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				|  |  | +```sh
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				|  |  | +$ cd grpc/third_party/protobuf
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				|  |  | +$ sudo make install   # 'make' should have been run by core grpc
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				|  |  | +```
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				|  |  | +
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				|  |  | +Alternatively, you can download `protoc` binaries from
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				|  |  | +[the protocol buffers Github repository](https://github.com/google/protobuf/releases).
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				|  |  | +
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				|  |  | +#INSTALLATION
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				|  |  | +
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				|  |  | +Currently to install gRPC for C++, you need to build from source as described below.
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				|  |  | +
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				|  |  | +#Build from Source
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				|  |  | +
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				|  |  | +```sh
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				|  |  | + $ git clone https://github.com/grpc/grpc.git
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				|  |  | + $ cd grpc
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				|  |  | + $ git submodule update --init
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				|  |  | + $ make
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				|  |  | + $ [sudo] make install
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				|  |  | +```
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				|  |  | +
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				|  |  | +#DOCUMENTATION
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				|  |  | +
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				|  |  | +- The gRPC C++ refenrence documentation is available online at
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				|  |  | +  [grpc.io](http://www.grpc.io/docs/tutorials/basic/c.html)
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				|  |  | +- [Helloworld example](../../examples/cpp/helloworld)
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				|  |  | +
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