chakra 1.4.0 (new formula)

Closes #9323.

Signed-off-by: ilovezfs <ilovezfs@icloud.com>

Formula/chakra.rb

@@ -0,0 +1,39 @@
+class Chakra < Formula
+  desc "The core part of the Chakra JavaScript engine that powers Microsoft Edge"
+  homepage "https://github.com/Microsoft/ChakraCore"
+  url "https://github.com/Microsoft/ChakraCore/archive/v1.4.0.tar.gz"
+  sha256 "f6b4a3bce9e69bb3ea619a82805460906ef53d4f9da98b51e554dd48d6cdfdb3"
+
+  depends_on "cmake" => :build
+  depends_on "icu4c" => :optional
+
+  # Remove for > 1.4.0
+  # Fix build failure on case-sensitive file systems
+  # https://github.com/Microsoft/ChakraCore/pull/2421
+  patch do
+    url "https://github.com/Microsoft/ChakraCore/commit/bb5c393.patch"
+    sha256 "5694f260c910d11c59211766592002c27b3c1ecbb0c712f84e32c115d44666ed"
+  end
+
+  def install
+    # Build fails with -Os default
+    # Upstream issue from 26 Jan 2016 https://github.com/Microsoft/ChakraCore/issues/2417
+    # Fixed in master https://github.com/obastemur/ChakraCore/commit/cda81f4
+    ENV.O3
+
+    args = ["--static"]
+    if build.with? "icu4c"
+      args << "--icu=#{Formula["icu4c"].opt_include}"
+    else
+      args << "--no-icu"
+    end
+    system "./build.sh", *args
+
+    bin.install "BuildLinux/Release/ch" => "chakra"
+  end
+
+  test do
+    (testpath/"test.js").write("print('Hello world!');\n")
+    assert_equal "Hello world!", shell_output("#{bin}/chakra test.js").chomp
+  end
+end