From e37626710719cff0e1c74f0d8b4109743a3f6cbf Mon Sep 17 00:00:00 2001
From: Mehrdad Afshari <mmx@google.com>
Date: Wed, 26 Apr 2017 22:28:24 -0700
Subject: [PATCH] Update macOS install instructions

---
 INSTALL.md | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/INSTALL.md b/INSTALL.md
index ac03a5e6ac..29f0060c81 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -28,16 +28,24 @@ If you plan to build from source and run tests, install the following as well:
  $ [sudo] apt-get install clang libc++-dev
 ```
 
-## Mac OSX
+## macOS 
 
-For a Mac system, git is not available by default. You will first need to
-install Xcode from the Mac AppStore and then run the following command from a
-terminal:
+On a Mac, you will first need to
+install Xcode or
+[Command Line Tools for Xcode](https://developer.apple.com/download/more/)
+and then run the following command from a terminal:
 
 ```sh
  $ [sudo] xcode-select --install
 ```
 
+To build gRPC from source, you may also need to install the following
+packages, which you can get from [Homebrew](https://brew.sh):
+
+```sh
+ $ brew install autoconf automake libtool shtool
+```
+
 ## Protoc
 
 By default gRPC uses [protocol buffers](https://github.com/google/protobuf),
-- 
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