gz-common6: new formula for ionic

Formula/gz-common6.rb

@@ -0,0 +1,76 @@
+class GzCommon6 < Formula
+  desc "Common libraries for robotics applications"
+  homepage "https://gazebosim.org"
+  url "https://github.com/gazebosim/gz-common.git", branch: "main"
+  version "5.999.999-0-20231009"
+  license "Apache-2.0"
+
+  head "https://github.com/gazebosim/gz-common.git", branch: "gz-common6"
+
+  depends_on "assimp"
+  depends_on "cmake"
+  depends_on "ffmpeg"
+  depends_on "freeimage"
+  depends_on "gdal"
+  depends_on "gts"
+  depends_on "gz-cmake4"
+  depends_on "gz-math8"
+  depends_on "gz-utils3"
+  depends_on macos: :high_sierra # c++17
+  depends_on "ossp-uuid"
+  depends_on "pkg-config"
+  depends_on "tinyxml2"
+
+  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 <iostream>
+      #include <gz/common.hh>
+      int main() {
+        gzdbg << "debug" << std::endl;
+        gzwarn << "warn" << std::endl;
+        gzerr << "error" << std::endl;
+        return 0;
+      }
+    EOS
+    (testpath/"CMakeLists.txt").write <<-EOS
+      cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+      find_package(gz-common6 QUIET REQUIRED)
+      add_executable(test_cmake test.cpp)
+      target_link_libraries(test_cmake gz-common6::gz-common6)
+    EOS
+    system "pkg-config", "gz-common6"
+    cflags = `pkg-config --cflags gz-common6`.split
+    system ENV.cc, "test.cpp",
+                   *cflags,
+                   "-L#{lib}",
+                   "-lgz-common6",
+                   "-lc++",
+                   "-o", "test"
+    system "./test"
+    # test building with cmake
+    mkdir "build" do
+      ENV.append "LIBRARY_PATH", Formula["gettext"].opt_lib
+      system "cmake", ".."
+      system "make"
+      system "./test_cmake"
+    end
+    # check for Xcode frameworks in bottle
+    # ! requires system with single argument, which uses standard shell
+    # put in variable to avoid audit complaint
+    # enclose / in [] so the following line won't match itself
+    cmd_not_grep_xcode = "! grep -rnI 'Applications[/]Xcode' #{prefix}"
+    system cmd_not_grep_xcode
+  end
+end