Unable to link in Mac OS X with boost unit_test_framework.

setup.shell

conda create --name boost-test
conda activate boost-test
conda config --env --add channels conda-forge
conda install compilers boost

cat <<EOF > test_Linking_x.cc
#define BOOST_TEST_MODULE Exception_x
#define BOOST_TEST_DYN_LINK
#include "boost/test/unit_test.hpp"
#include "boost/test/output_test_stream.hpp"
 
namespace test = boost::test_tools;
 
BOOST_AUTO_TEST_SUITE(ExceptionSuite)
 
BOOST_AUTO_TEST_CASE(simple) {
    test::output_test_stream o;
    o << "Hello World";
    BOOST_CHECK(!o.is_empty(false));
}
 
BOOST_AUTO_TEST_SUITE_END()
EOF
 
g++ -o test_Linking_x.o -c -std=c++14 -g \
  -O3 -Wall -Wno-unused-function \
  -Iinclude \
  -isystem ${CONDA_PREFIX}/include \
  test_Linking_x.cc
 
g++ -o test_Linking_x test_Linking_x.o \
 -L${CONDA_PREFIX}/lib/ \
 -L/usr/lib/ \
 -lboost_unit_test_framework