gz-utils3: new formula for ionic

Formula/gz-utils3.rb

@@ -0,0 +1,64 @@
+class GzUtils3 < Formula
+  desc "General purpose classes and functions designed for robotic applications"
+  homepage "https://github.com/gazebosim/gz-utils"
+  url "https://github.com/gazebosim/gz-utils.git", branch: "main"
+  version "2.999.999-0-20231011"
+  license "Apache-2.0"
+
+  depends_on "cmake" => [:build, :test]
+  depends_on "pkg-config" => [:build, :test]
+  depends_on "gz-cmake4"
+
+  def install
+    cmake_args = std_cmake_args
+    cmake_args << "-DBUILD_TESTING=OFF"
+    cmake_args << "-DCMAKE_INSTALL_RPATH=#{rpath}"
+
+    # Use build folder
+    mkdir "build" do
+      system "cmake", "..", *cmake_args
+      system "make", "install"
+    end
+  end
+
+  test do
+    (testpath/"test.cpp").write <<-EOS
+      #include <gz/utils/ImplPtr.hh>
+      class SomeClassPrivate
+      {
+      };
+      class SomeClass
+      {
+        private: gz::utils::ImplPtr<SomeClassPrivate> dataPtr =
+            gz::utils::MakeImpl<SomeClassPrivate>();
+      };
+      int main() {
+        SomeClass object;
+        return 0;
+      }
+    EOS
+    (testpath/"CMakeLists.txt").write <<-EOS
+      cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+      find_package(gz-utils3 QUIET REQUIRED)
+      add_executable(test_cmake test.cpp)
+      target_link_libraries(test_cmake gz-utils3::gz-utils3)
+    EOS
+    system "pkg-config", "gz-utils3"
+    cflags = `pkg-config --cflags gz-utils3`.split
+    ldflags = `pkg-config --libs gz-utils3`.split
+    system ENV.cxx, "test.cpp",
+                    *cflags,
+                    *ldflags,
+                    "-o", "test"
+    system "./test"
+    # test building with cmake
+    mkdir "build" do
+      system "cmake", ".."
+      system "make"
+      system "./test_cmake"
+    end
+    # check for Xcode frameworks in bottle
+    cmd_not_grep_xcode = "! grep -rnI 'Applications[/]Xcode' #{prefix}"
+    system cmd_not_grep_xcode
+  end
+end