casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::centi, referenced from:
      casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::femto, referenced from:
      casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::hecto, referenced from:
      casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::micro, referenced from:
      casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::milli, referenced from:
      casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::ronna, referenced from:
      casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::ronto, referenced from:
      casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::yocto, referenced from:
      casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::yotta, referenced from:
      casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::zepto, referenced from:
      casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::zetta, referenced from:
      casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::arcmin, referenced from:
      casacore::UnitMap::initUMSI2(casacore::UMaps&) in UnitMap4.o
      casacore::UnitMap::initUMCust1(casacore::UMaps&) in UnitMap5.o
      casa::PBMath1D::PBMath1D(casacore::Quantum<double>, casacore::Quantum<double>, bool, casa::BeamSquint, bool) in PBMath1D.o
  casacore::C::arcsec, referenced from:
      casacore::UnitMap::initUMSI2(casacore::UMaps&) in UnitMap4.o
      casacore::UnitMap::initUMCust1(casacore::UMaps&) in UnitMap5.o
      casacore::MeasData::eps0J2000() in MeasData.o
      casacore::MeasMath::applyETerms(casacore::MVPosition&, bool, double) in MeasMath.o
      casacore::MeasMath::deapplyETerms(casacore::MVPosition&, bool, double) in MeasMath.o
      casacore::MeasMath::deapplyJ2000toB1950(casacore::MVPosition&, double, bool) in MeasMath.o
      casacore::MeasTable::precRate00(unsigned int) in MeasTable.o
      ...
  casacore::C::circle, referenced from:
      casacore::Quantum<casacore::Vector<double>>::convert(casacore::Unit const&) in Euler.o
      casacore::Quantum<casacore::Vector<double>>::convert(casacore::Unit const&) in Euler.o
      casacore::MVAngle::MVAngle(casacore::Quantum<double> const&) in MVAngle.o
      casacore::MVAngle::operator()(casacore::MVAngle const&) in MVAngle.o
      casacore::MVAngle::circle() const in MVAngle.o
      casacore::MVAngle::get(casacore::Unit const&) const in MVAngle.o
      casacore::MVAngle::print(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, casacore::MVAngle::Format const&, bool) const in MVAngle.o
      casacore::MVAngle::print(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, casacore::MVAngle::Format const&, bool) const in MVAngle.o
      ...
  casacore::C::degree, referenced from:
      casacore::MVAngle::degree() const in MVAngle.o
      casacore::MVAngle::print(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, casacore::MVAngle::Format const&, bool) const in MVAngle.o
      casacore::UnitMap::initUMSI2(casacore::UMaps&) in UnitMap4.o
      casacore::DirectionCoordinate::initializeFactors() in DirectionCoordinate.o
      casacore::DirectionCoordinate::setWorldAxisUnits(casacore::Vector<casacore::String> const&) in DirectionCoordinate.o
      casacore::DirectionCoordinate::setWorldAxisUnits(casacore::Vector<casacore::String> const&) in DirectionCoordinate.o
      casacore::DirectionCoordinate::format(casacore::String&, casacore::Coordinate::formatType, double, unsigned int, bool, bool, int, bool) const in DirectionCoordinate.o
      ...
  casacore::C::minute, referenced from:
      casacore::UnitMap::initUMSI2(casacore::UMaps&) in UnitMap4.o
  casacore::C::quecto, referenced from:
      casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::quetta, referenced from:
      casacore::UnitMap::initUMPrefix(casacore::UMaps&) in UnitMap2.o
  casacore::C::dbl_max, referenced from:
      __GLOBAL__sub_I_fits.cc in fits.o
      casacore::NumericTraits<double>::maximum in NumericTraits.o
      casacore::NumericTraits<std::__1::complex<double>>::maximum in NumericTraits.o
      casa::MSUtil::getSpwInFreqRange(casacore::Vector<int>&, casacore::Vector<int>&, casacore::Vector<int>&, casacore::MeasurementSet const&, double, double, double, casacore::MFrequency::Types, int) in MSUtil.o
      casa::MSUtil::getSpwInSourceFreqRange(casacore::Vector<int>&, casacore::Vector<int>&, casacore::Vector<int>&, casacore::MeasurementSet const&, double, double, double, casacore::String const&, int) in MSUtil.o
      casa::MSUtil::getChannelRangeFromFreqRange(int&, int&, casacore::MeasurementSet const&, int, double, double, double, casacore::MFrequency::Types) in MSUtil.o
      casa::MSUtil::getFreqRangeInSpw(double&, double&, casacore::Vector<int> const&, casacore::Vector<int> const&, casacore::Vector<int> const&, casacore::MeasurementSet const&, casacore::MFrequency::Types, casacore::Vector<int> const&, bool, bool) in MSUtil.o
      ...
  casacore::C::dbl_min, referenced from:
      casacore::near(float, double, double) in Math.o
      casacore::near(double, double, double) in Math.o
      casacore::near(double, float, double) in Math.o
      __GLOBAL__sub_I_fits.cc in fits.o
      casacore::NumericTraits<double>::minimum in NumericTraits.o
      casacore::NumericTraits<std::__1::complex<double>>::minimum in NumericTraits.o
  casacore::C::flt_max, referenced from:
      __GLOBAL__sub_I_fits.cc in fits.o
      casacore::NumericTraits<float>::maximum in NumericTraits.o
      casacore::NumericTraits<std::__1::complex<float>>::maximum in NumericTraits.o
      casacore::FitGaussian<float>::fit(casacore::Matrix<float> const&, casacore::Vector<float> const&, casacore::Vector<float> const&, float, unsigned int, float) in SDMaskHandler.o
      casa::MFCleanImageSkyModel::solve(casa::SkyEquation&) in MFCleanImageSkyModel.o
      casa::StokesImageUtil::FitGaussianPSF(casacore::ImageInterface<float>&, casacore::ImageBeamSet&, float) in StokesImageUtil.o
  casacore::C::flt_min, referenced from:
      casacore::near(float, float, double) in Math.o
      __GLOBAL__sub_I_fits.cc in fits.o
      casacore::NumericTraits<float>::minimum in NumericTraits.o
      casacore::NumericTraits<std::__1::complex<float>>::minimum in NumericTraits.o
  casacore::C::_1_sqrt2, referenced from:
      casacore::BiweightStatistics<double, float const*, bool const*, float const*>::_computeStats() in Lattices_tmpl.o
      casacore::BiweightStatistics<double, casacore::Array<float>::ConstIteratorSTL, casacore::Array<bool>::ConstIteratorSTL, casacore::Array<float>::ConstIteratorSTL>::_computeStats() in Lattices_tmpl.o
  casacore::C::minfloat, referenced from:
      __GLOBAL__sub_I_ValType.cc in ValType.o
      casa::CubeMajorCycleAlgorithm::task() in CubeMajorCycleAlgorithm.o
      casa::CubeMajorCycleAlgorithm::task() in CubeMajorCycleAlgorithm.o
  casacore::C::mindouble, referenced from:
      __GLOBAL__sub_I_ValType.cc in ValType.o
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [build/bin.23.6.0/casafeather.app/Contents/MacOS/casafeather] Error 1
WARNING: Skipping casatools as it is not installed.
WARNING: Skipping casatasks as it is not installed.
WARNING: Skipping casatshell as it is not installed.
WARNING: Skipping casaplotms as it is not installed.