cppunit-config is no longer present in cppunit, but build system depends on it
This is also true of libdap4.
As explained here, cppunit no longer includes the cppunit-config utility which was used by the autotools macros:
As a result, the bes build it not detecting cppuinit on my system and so is not running those tests.
The new way to check for cppunit is PKG_CHECK_MODULES.