entityx 1.3.0 (new formula)

Closes #36152.

Signed-off-by: FX Coudert <fxcoudert@gmail.com>

Formula/entityx.rb

@@ -0,0 +1,30 @@
+class Entityx < Formula
+  desc "Fast, type-safe C++ Entity Component System"
+  homepage "https://github.com/alecthomas/entityx"
+  url "https://github.com/alecthomas/entityx/archive/1.3.0.tar.gz"
+  sha256 "2cd56d4fc5c553b786b8caf0b5bd9231434f21d43ca0e963d3bc5ee503a06222"
+
+  depends_on "cmake" => :build
+
+  def install
+    system "cmake", ".", "-DENTITYX_BUILD_SHARED=off", "-DENTITYX_BUILD_TESTING=off", *std_cmake_args
+    system "make", "install"
+  end
+
+  test do
+    (testpath/"test.cpp").write <<-EOS
+      #include <entityx/entityx.h>
+
+      int main(int argc, char *argv[]) {
+        entityx::EntityX ex;
+
+        entityx::Entity entity = ex.entities.create();
+        entity.destroy();
+
+        return 0;
+      }
+    EOS
+    system ENV.cxx, "test.cpp", "-std=c++11", "-L#{lib}", "-lentityx", "-o", "test"
+    system "./test"
+  end
+end