keystone 0.9.1 (new formula)

Closes #19115.

Signed-off-by: William Woodruff <william@tuffbizz.com>

Formula/keystone.rb

@@ -0,0 +1,18 @@
+class Keystone < Formula
+  desc "Assembler framework: Core + bindings"
+  homepage "http://www.keystone-engine.org"
+  url "https://github.com/keystone-engine/keystone/archive/0.9.1.tar.gz"
+  sha256 "e9d706cd0c19c49a6524b77db8158449b9c434b415fbf94a073968b68cf8a9f0"
+  head "https://github.com/keystone-engine/keystone.git"
+
+  depends_on "cmake" => :build
+
+  def install
+    system "cmake", ".", *std_cmake_args
+    system "make", "install"
+  end
+
+  test do
+    assert_equal "nop = [ 90 ]", shell_output("#{bin}/kstool x16 nop").strip
+  end
+end