Add i686-unknown-linux-gnu formula

Author: messense

i686-unknown-linux-gnu.rb

@@ -0,0 +1,20 @@
+class I686UnknownLinuxGnu < Formula
+  desc "i686 Linux GNU Toolchain"
+  homepage "https://github.com/messense/homebrew-macos-cross-toolchains"
+  license "GPL-3.0-or-later" => { with: "GCC-exception-3.1" }
+
+  if Hardware::CPU.arm?
+    url "https://github.com/messense/homebrew-macos-cross-toolchains/releases/download/v1.2.0/i686-unknown-linux-gnu-aarch64-darwin.tar.gz"
+    version "10.2.0"
+    sha256 "7c99ada64c92d427e690d0ff532b7fdfa9f8c63aa5638a64490897554a3c7dfd"
+  else
+    url "https://github.com/messense/homebrew-macos-cross-toolchains/releases/download/v1.2.0/i686-unknown-linux-gnu-x86_64-darwin.tar.gz"
+    version "10.2.0"
+    sha256 "314ae8ec1edd7d300503bf358a4de8b961b57e4bbd6281d684bd049fcad35b0f"
+  end
+
+  def install
+    (prefix/"toolchain").install Dir["./*"]
+    Dir.glob(prefix/"toolchain/bin/*") {|file| bin.install_symlink file}
+  end
+end