[opencolorio] Linker error (x64-osx)

**Describe the bug**
Any program I've tried fails to link with OpenColorIO installed through vcpkg with the `x64-osx` triplet.

**Environment**
- OS: macOS High Sierra 10.13.6
- Compiler: Apple LLVM version 10.0.0 (clang-1000.10.44.4)

**To Reproduce**
Steps to reproduce the behavior:
1. `./vcpkg install opencolorio --triplet x64-osx`
2. Find a project that will link with OpenColorIO. I've written an extremely simple one below:

    <details>
    <summary>CMakeLists.txt</summary>

    ```
    cmake_minimum_required(VERSION 3.22)

    project(ocio-test LANGUAGES CXX)

    set(CMAKE_CXX_STANDARD 14)
    set(CMAKE_CXX_STANDARD_REQUIRED ON)
    set(CMAKE_CXX_EXTENSIONS OFF)

    find_package(OpenColorIO REQUIRED)

    add_executable(ociotest
      main.cpp
    )

    target_link_libraries(ociotest PRIVATE OpenColorIO::OpenColorIO OpenColorIO::OpenColorIOHeaders)
    ```
    </details>

    <details>
    <summary>main.cpp</summary>

    ```
    #include <OpenColorIO/OpenColorIO.h>

    int main()
    {
      OCIO_NAMESPACE::Config::CreateFromEnv();
      return 0;
    }
    ```
    </details>

3. Try to compile with CMake and the vcpkg.cmake toolchain file.
4. Receive the following linker errors:

    <details>
    <summary>Log</summary>

    ```
    Undefined symbols for architecture x86_64:
      "_XML_ErrorString", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatCTF.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatIridasLook.cpp.o)
          OpenColorIO_v2_1::CDLParser::Impl::parse(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool) in libOpenColorIO.a(CDLParser.cpp.o)
      "_XML_GetErrorCode", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatCTF.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatIridasLook.cpp.o)
          OpenColorIO_v2_1::CDLParser::Impl::parse(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool) in libOpenColorIO.a(CDLParser.cpp.o)
      "_XML_Parse", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatCTF.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatIridasLook.cpp.o)
          OpenColorIO_v2_1::CDLParser::Impl::parse(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool) in libOpenColorIO.a(CDLParser.cpp.o)
      "_XML_ParserCreate", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatCTF.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatIridasLook.cpp.o)
          OpenColorIO_v2_1::CDLParser::Impl::Impl(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(CDLParser.cpp.o)
          OpenColorIO_v2_1::CDLParser::Impl::Impl(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(CDLParser.cpp.o)
          OpenColorIO_v2_1::CDLParser::CDLParser(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(CDLParser.cpp.o)
      "_XML_ParserFree", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::XMLParserHelper::~XMLParserHelper() in libOpenColorIO.a(FileFormatCTF.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatIridasLook.cpp.o)
          OpenColorIO_v2_1::CDLParser::Impl::~Impl() in libOpenColorIO.a(CDLParser.cpp.o)
      "_XML_SetCharacterDataHandler", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatCTF.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatIridasLook.cpp.o)
          OpenColorIO_v2_1::CDLParser::Impl::initializeHandlers(char const*) in libOpenColorIO.a(CDLParser.cpp.o)
      "_XML_SetElementHandler", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatCTF.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatIridasLook.cpp.o)
          OpenColorIO_v2_1::CDLParser::Impl::initializeHandlers(char const*) in libOpenColorIO.a(CDLParser.cpp.o)
      "_XML_SetUserData", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatCTF.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatIridasLook.cpp.o)
          OpenColorIO_v2_1::CDLParser::Impl::initializeHandlers(char const*) in libOpenColorIO.a(CDLParser.cpp.o)
      "YAML::InvalidNode::~InvalidNode()", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::Config>&, char const*) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::throwError(YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::CheckDuplicates(YAML::Node const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::throwValueError(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, bool&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          ...
      "YAML::BadSubscript::~BadSubscript()", referenced from:
          YAML::detail::node* YAML::detail::node_data::get<char [21]>(char const (&) [21], std::__1::shared_ptr<YAML::detail::memory_holder>) const in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::detail::node* YAML::detail::node_data::get<unsigned long>(unsigned long const&, std::__1::shared_ptr<YAML::detail::memory_holder>) const in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::BadConversion::~BadConversion()", referenced from:
          YAML::TypedBadConversion<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >::~TypedBadConversion() in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::TypedBadConversion<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >::~TypedBadConversion() in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::TypedBadConversion<std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > >::~TypedBadConversion() in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::TypedBadConversion<std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > >::~TypedBadConversion() in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::TypedBadConversion<bool>::~TypedBadConversion() in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::TypedBadConversion<bool>::~TypedBadConversion() in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::TypedBadConversion<std::__1::vector<double, std::__1::allocator<double> > >::~TypedBadConversion() in libOpenColorIO.a(OCIOYaml.cpp.o)
          ...
      "YAML::ostream_wrapper::write(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
          YAML::Emitter& YAML::Emitter::WriteStreamable<double>(double) in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::Emitter& YAML::Emitter::WriteStreamable<float>(float) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Load(std::__1::basic_istream<char, std::__1::char_traits<char> >&)", referenced from:
          OpenColorIO_v2_1::OCIOYaml::Read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::shared_ptr<OpenColorIO_v2_1::Config>&, char const*) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::detail::memory::create_node()", referenced from:
          YAML::Node::EnsureNodeExists() const in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::detail::node_data::empty_scalar()", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::Config>&, char const*) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::throwError(YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::CheckDuplicates(YAML::Node const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, bool&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::vector<double, std::__1::allocator<double> >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          ...
      "YAML::detail::node_data::mark_defined()", referenced from:
          YAML::detail::node::mark_defined() in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::detail::node_data::end()", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::Config>&, char const*) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::CheckDuplicates(YAML::Node const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::FileRules>&, bool&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, OpenColorIO_v2_1::View&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::ColorSpace>&, unsigned int) in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::convert<std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > >::decode(YAML::Node const&, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::convert<std::__1::vector<double, std::__1::allocator<double> > >::decode(YAML::Node const&, std::__1::vector<double, std::__1::allocator<double> >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          ...
      "YAML::detail::node_data::begin()", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::Config>&, char const*) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::CheckDuplicates(YAML::Node const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::FileRules>&, bool&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, OpenColorIO_v2_1::View&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::ColorSpace>&, unsigned int) in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::convert<std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > >::decode(YAML::Node const&, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::convert<std::__1::vector<double, std::__1::allocator<double> > >::decode(YAML::Node const&, std::__1::vector<double, std::__1::allocator<double> >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          ...
      "YAML::detail::node_data::set_null()", referenced from:
          YAML::Node::EnsureNodeExists() const in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Emitter::PrepareNode(YAML::EmitterNodeType::value)", referenced from:
          YAML::Emitter& YAML::Emitter::WriteStreamable<double>(double) in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::Emitter& YAML::Emitter::WriteStreamable<float>(float) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Emitter::SetLocalValue(YAML::EMITTER_MANIP)", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, OpenColorIO_v2_1::Config const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::saveDescription(YAML::Emitter&, char const*) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, OpenColorIO_v2_1::View const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, std::__1::shared_ptr<OpenColorIO_v2_1::ColorSpace const>, unsigned int) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, std::__1::shared_ptr<OpenColorIO_v2_1::Transform const>, unsigned int) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::EmitBaseTransformKeyValues(YAML::Emitter&, std::__1::shared_ptr<OpenColorIO_v2_1::Transform const> const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::EmitTransformName(YAML::Emitter&, OpenColorIO_v2_1::FormatMetadata const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          ...
      "YAML::Emitter::StartedScalar()", referenced from:
          YAML::Emitter& YAML::Emitter::WriteStreamable<double>(double) in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::Emitter& YAML::Emitter::WriteStreamable<float>(float) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Emitter::SetFloatPrecision(unsigned long)", referenced from:
          OpenColorIO_v2_1::OCIOYaml::Write(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, OpenColorIO_v2_1::Config const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Emitter::SetDoublePrecision(unsigned long)", referenced from:
          OpenColorIO_v2_1::OCIOYaml::Write(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, OpenColorIO_v2_1::Config const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Emitter::Write(YAML::_Tag const&)", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, OpenColorIO_v2_1::Config const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, OpenColorIO_v2_1::View const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, std::__1::shared_ptr<OpenColorIO_v2_1::ColorSpace const>, unsigned int) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, std::__1::shared_ptr<OpenColorIO_v2_1::Transform const>, unsigned int) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Emitter::Write(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, OpenColorIO_v2_1::Config const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::saveDescription(YAML::Emitter&, char const*) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, OpenColorIO_v2_1::View const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, std::__1::shared_ptr<OpenColorIO_v2_1::ColorSpace const>, unsigned int) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, std::__1::shared_ptr<OpenColorIO_v2_1::Transform const>, unsigned int) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, OpenColorIO_v2_1::Allocation) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::EmitBaseTransformKeyValues(YAML::Emitter&, std::__1::shared_ptr<OpenColorIO_v2_1::Transform const> const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          ...
      "YAML::Emitter::Write(bool)", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, OpenColorIO_v2_1::Config const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, std::__1::shared_ptr<OpenColorIO_v2_1::ColorSpace const>, unsigned int) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, std::__1::shared_ptr<OpenColorIO_v2_1::Transform const>, unsigned int) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Emitter::Write(char)", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::save(YAML::Emitter&, OpenColorIO_v2_1::Config const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Emitter::Emitter()", referenced from:
          OpenColorIO_v2_1::OCIOYaml::Write(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, OpenColorIO_v2_1::Config const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Emitter::~Emitter()", referenced from:
          OpenColorIO_v2_1::OCIOYaml::Write(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, OpenColorIO_v2_1::Config const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::convert<bool>::decode(YAML::Node const&, bool&)", referenced from:
          YAML::as_if<bool, void>::operator()() const in libOpenColorIO.a(OCIOYaml.cpp.o)
      "pystring::os::path::join(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
          OpenColorIO_v2_1::AbsPath(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(PathUtils.cpp.o)
          OpenColorIO_v2_1::Context::resolveFileLocation(char const*, std::__1::shared_ptr<OpenColorIO_v2_1::Context>&) const in libOpenColorIO.a(Context.cpp.o)
      "pystring::os::path::isabs(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
          OpenColorIO_v2_1::AbsPath(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(PathUtils.cpp.o)
          OpenColorIO_v2_1::Context::resolveFileLocation(char const*, std::__1::shared_ptr<OpenColorIO_v2_1::Context>&) const in libOpenColorIO.a(Context.cpp.o)
      "pystring::os::path::split(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
          OpenColorIO_v2_1::GetProfileDescriptionFromICCProfile(char const*) in libOpenColorIO.a(FileFormatICC.cpp.o)
      "pystring::os::path::dirname(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::Config>&, char const*) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "pystring::os::path::basename(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatDiscreet1DL.cpp.o)
      "pystring::os::path::normpath(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
          OpenColorIO_v2_1::AbsPath(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(PathUtils.cpp.o)
          OpenColorIO_v2_1::Context::resolveFileLocation(char const*, std::__1::shared_ptr<OpenColorIO_v2_1::Context>&) const in libOpenColorIO.a(Context.cpp.o)
      "pystring::os::path::splitext(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::LoadFileUncached(OpenColorIO_v2_1::FileFormat*&, std::__1::shared_ptr<OpenColorIO_v2_1::CachedFile>&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) in libOpenColorIO.a(FileTransform.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatCTF.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::LocalFileFormat::read(std::__1::basic_istream<char, std::__1::char_traits<char> >&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) const in libOpenColorIO.a(FileFormatDiscreet1DL.cpp.o)
      "pystring::mul(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int)", referenced from:
          OpenColorIO_v2_1::SerializeOpVec(OpenColorIO_v2_1::OpRcPtrVec const&, int) in libOpenColorIO.a(Op.cpp.o)
      "pystring::strip(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::XMLParserHelper::CharacterDataHandler(void*, char const*, int) in libOpenColorIO.a(FileFormatIridasLook.cpp.o)
      "pystring::replace(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int)", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::LoadFileUncached(OpenColorIO_v2_1::FileFormat*&, std::__1::shared_ptr<OpenColorIO_v2_1::CachedFile>&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, OpenColorIO_v2_1::Interpolation) in libOpenColorIO.a(FileTransform.cpp.o)
      "YAML::detail::node_data::size() const", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::Config>&, char const*) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::Transform>&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::loadLogParam(YAML::Node const&, double (&) [3], std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Emitter::GetFloatPrecision() const", referenced from:
          YAML::Emitter& YAML::Emitter::WriteStreamable<float>(float) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Emitter::GetDoublePrecision() const", referenced from:
          YAML::Emitter& YAML::Emitter::WriteStreamable<double>(double) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Emitter::good() const", referenced from:
          YAML::Emitter& YAML::Emitter::WriteStreamable<double>(double) in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::Emitter& YAML::Emitter::WriteStreamable<float>(float) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "YAML::Emitter::c_str() const", referenced from:
          OpenColorIO_v2_1::OCIOYaml::Write(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, OpenColorIO_v2_1::Config const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
      "typeinfo for YAML::InvalidNode", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::Config>&, char const*) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::throwError(YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::CheckDuplicates(YAML::Node const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::throwValueError(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, bool&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          ...
      "typeinfo for YAML::BadSubscript", referenced from:
          YAML::detail::node* YAML::detail::node_data::get<char [21]>(char const (&) [21], std::__1::shared_ptr<YAML::detail::memory_holder>) const in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::detail::node* YAML::detail::node_data::get<unsigned long>(unsigned long const&, std::__1::shared_ptr<YAML::detail::memory_holder>) const in libOpenColorIO.a(OCIOYaml.cpp.o)
      "typeinfo for YAML::BadConversion", referenced from:
          typeinfo for YAML::TypedBadConversion<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > in libOpenColorIO.a(OCIOYaml.cpp.o)
          typeinfo for YAML::TypedBadConversion<std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > > in libOpenColorIO.a(OCIOYaml.cpp.o)
          typeinfo for YAML::TypedBadConversion<bool> in libOpenColorIO.a(OCIOYaml.cpp.o)
          typeinfo for YAML::TypedBadConversion<std::__1::vector<double, std::__1::allocator<double> > > in libOpenColorIO.a(OCIOYaml.cpp.o)
          typeinfo for YAML::TypedBadConversion<double> in libOpenColorIO.a(OCIOYaml.cpp.o)
          typeinfo for YAML::TypedBadConversion<std::__1::vector<float, std::__1::allocator<float> > > in libOpenColorIO.a(OCIOYaml.cpp.o)
          typeinfo for YAML::TypedBadConversion<float> in libOpenColorIO.a(OCIOYaml.cpp.o)
          ...
      "vtable for YAML::InvalidNode", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::Config>&, char const*) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::throwError(YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::CheckDuplicates(YAML::Node const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::throwValueError(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, bool&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          ...
      NOTE: a missing vtable usually means the first non-inline virtual member function has no definition.
      "vtable for YAML::BadSubscript", referenced from:
          YAML::BadSubscript::BadSubscript<char [21]>(YAML::Mark const&, char const (&) [21]) in libOpenColorIO.a(OCIOYaml.cpp.o)
          YAML::BadSubscript::BadSubscript<unsigned long>(YAML::Mark const&, unsigned long const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
      NOTE: a missing vtable usually means the first non-inline virtual member function has no definition.
      "vtable for YAML::RepresentationException", referenced from:
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::shared_ptr<OpenColorIO_v2_1::Config>&, char const*) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::throwError(YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::CheckDuplicates(YAML::Node const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::throwValueError(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, YAML::Node const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          OpenColorIO_v2_1::(anonymous namespace)::load(YAML::Node const&, bool&) in libOpenColorIO.a(OCIOYaml.cpp.o)
          ...
      NOTE: a missing vtable usually means the first non-inline virtual member function has no definition.
      "vtable for YAML::Exception", referenced from:
          YAML::Exception::Exception(YAML::Mark const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in libOpenColorIO.a(OCIOYaml.cpp.o)
      NOTE: a missing vtable usually means the first non-inline virtual member function has no definition.
      "_imath_half_to_float_table", referenced from:
          OpenColorIO_v2_1::Lut1DOpData::Lut3by1DArray::fill(OpenColorIO_v2_1::Lut1DOpData::HalfFlags, bool) in libOpenColorIO.a(Lut1DOpData.cpp.o)
          OpenColorIO_v2_1::BitDepthCast<(OpenColorIO_v2_1::BitDepth)7, (OpenColorIO_v2_1::BitDepth)1>::apply(void const*, void*, long) const in libOpenColorIO.a(CPUProcessor.cpp.o)
          OpenColorIO_v2_1::BitDepthCast<(OpenColorIO_v2_1::BitDepth)7, (OpenColorIO_v2_1::BitDepth)2>::apply(void const*, void*, long) const in libOpenColorIO.a(CPUProcessor.cpp.o)
          OpenColorIO_v2_1::BitDepthCast<(OpenColorIO_v2_1::BitDepth)7, (OpenColorIO_v2_1::BitDepth)3>::apply(void const*, void*, long) const in libOpenColorIO.a(CPUProcessor.cpp.o)
          OpenColorIO_v2_1::BitDepthCast<(OpenColorIO_v2_1::BitDepth)7, (OpenColorIO_v2_1::BitDepth)5>::apply(void const*, void*, long) const in libOpenColorIO.a(CPUProcessor.cpp.o)
          OpenColorIO_v2_1::BitDepthCast<(OpenColorIO_v2_1::BitDepth)7, (OpenColorIO_v2_1::BitDepth)7>::apply(void const*, void*, long) const in libOpenColorIO.a(CPUProcessor.cpp.o)
          OpenColorIO_v2_1::BitDepthCast<(OpenColorIO_v2_1::BitDepth)7, (OpenColorIO_v2_1::BitDepth)8>::apply(void const*, void*, long) const in libOpenColorIO.a(CPUProcessor.cpp.o)
          ...
    ld: symbol(s) not found for architecture x86_64
    clang: error: linker command failed with exit code 1 (use -v to see invocation)
    ninja: build stopped: subcommand failed.
    ```
    </details>

**Expected behavior**
A successful link, particularly for such a simple program as the example written above.

**Failure logs** 
*Linker error posted above.*

**Additional context**
I have some awareness that this error is due to the fact that OpenColorIO's dependencies are not included in this link, namely yaml-cpp, expat, imath, and pystring. Presumably these should be included in the `OpenColorIO::OpenColorIO` target created by OpenColorIOConfig.cmake? It seems unreasonable for every application to know OCIO's dependencies and include each of them manually. Certainly other configuration files like the vcpkg-generated `FindFFMPEG.cmake.in` also automatically include any necessary dependencies, but since the OpenColorIOConfig.cmake is I believe generated by OCIO upstream, does that make this their bug? Is a vcpkg patch possible to address this quickly?

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[opencolorio] Linker error (x64-osx) #21642

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[opencolorio] Linker error (x64-osx) #21642

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