sdformat10: new formula, depends on tinyxml2 (#1054)

* add comment about removing tinyxml

Formula/sdformat10.rb

@@ -0,0 +1,72 @@
+class Sdformat10 < Formula
+  desc "Simulation Description Format"
+  homepage "http://sdformat.org"
+  url "https://github.com/osrf/sdformat/archive/1e213886f892e6accd1c7b0f104a8af2583ed68b.tar.gz"
+  version "9.999.999~0~20200604~1e21388"
+  sha256 "8b33c4675c7447a780d676bf40c50925524d210982f857d6ffb17a2279f745ca"
+
+  depends_on "cmake" => [:build, :test]
+  depends_on "pkg-config" => [:build, :test]
+
+  depends_on "doxygen"
+  depends_on "ignition-math6"
+  depends_on :macos => :mojave # c++17
+  # TODO remove dependency on tinyxml after the following is merged:
+  # https://github.com/osrf/sdformat/pull/264
+  depends_on "tinyxml"
+  depends_on "tinyxml2"
+  depends_on "urdfdom"
+
+  def install
+    ENV.m64
+
+    mkdir "build" do
+      system "cmake", "..", *std_cmake_args
+      system "make", "install"
+    end
+  end
+
+  test do
+    (testpath/"test.cpp").write <<-EOS
+      #include <iostream>
+      #include "sdf/sdf.hh"
+      const std::string sdfString(
+        "<sdf version='1.5'>"
+        "  <model name='example'>"
+        "    <link name='link'>"
+        "      <sensor type='gps' name='mysensor' />"
+        "    </link>"
+        "  </model>"
+        "</sdf>");
+      int main() {
+        sdf::SDF modelSDF;
+        modelSDF.SetFromString(sdfString);
+        std::cout << modelSDF.ToString() << std::endl;
+      }
+    EOS
+    (testpath/"CMakeLists.txt").write <<-EOS
+      cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+      find_package(sdformat10 QUIET REQUIRED)
+      add_executable(test_cmake test.cpp)
+      target_link_libraries(test_cmake ${SDFormat_LIBRARIES})
+    EOS
+    system "pkg-config", "sdformat10"
+    cflags = `pkg-config --cflags sdformat10`.split(" ")
+    system ENV.cc, "test.cpp",
+                   *cflags,
+                   "-L#{lib}",
+                   "-lsdformat10",
+                   "-lc++",
+                   "-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