Added aarch64-rpi3-elf.

README.md

@@ -5,9 +5,21 @@ crosscompilers meant to run on OS X. Install this tap using the following
 command:
 
     $ brew tap SergioBenitez/osxct
+    $ brew install toolchain-name
 
 ## Available Toolchains
 
 The following is a list of currently available toolchains:
 
-  * `x86_64-none-elf`: GCC 5.2.0, binutils 2.25.1, unhosted
+  * `x86_64-none-elf`
+    - Architecture: x86-64, bare metal, unhosted
+    - Object Type: ELF
+    - GCC: 5.2.0
+    - binutils: 2.25.1
+
+  * `aarch64-rpi3-elf`
+    - Architecture: ARM AArch64, bare metal, unhosted
+    - Object Type: ELF
+    - GCC: 7.2.0
+    - binutils: 2.29.1
+    - Also Known As: `aarch64-none-elf`

aarch64-rpi3-elf.rb

@@ -0,0 +1,14 @@
+require "FileUtils"
+
+class Aarch64Rpi3Elf < Formula
+  desc "AArch64 ELF toolchain and cross-compiler for OS X"
+  homepage "https://github.com/SergioBenitez/homebrew-osxct"
+  url "https://github.com/SergioBenitez/homebrew-osxct/releases/download/aarch64-rpi3-elf/aarch64-rpi3-elf.tar.gz"
+  version "7.2.0"
+  sha256 "8b8cd40d78d79f5fc9e8a17bf88204361c61ef0c209b4ab13270f16111d128ef"
+
+  def install
+    ohai "Copying binaries..."
+    cp_r %w[aarch64-rpi3-elf bin lib libexec], "#{prefix}/"
+  end
+end