Thanks for the quick response.  Your hint plus a few tweaks to the Makefile and the test compiles again - and much faster.

Unfortunately, when I run the test, I get the following unhelpful message:

        The application failed to initialize properly (0xc0150002).  Click on OK to terminate the application.

Here is the entirety of my program:

#define BOOST_TEST_MODULE foo
#define BOOST_TEST_DYN_LINK
#include <boost/test/unit_test.hpp>

BOOST_AUTO_TEST_CASE(my_test) {
  BOOST_CHECK_EQUAL(4, 4);
}

I got the same error when I tried #define BOOST_TEST_MAIN in place of BOOST_TEST_MODULE as well; as far as I can tell from the docs they are equivalent when using the dynamic library variant:

        http://www.boost.org/doc/libs/1_42_0/libs/test/doc/html/utf/compilation.html

Thanks again for your help!
Nate

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