Description
The activemq-cpp.pc.in file specifies the installed library linking as "l@ACTIVEMQ_LIBRARY_NAME@@ACTIVEMQ_API_VERSION@" which results in (for example) -lactivemq-cpp-3.2.1, but the actual library files generated in src/main/.libs are:
$ ls src/main/.libs/
libactivemq-cpp.a libactivemq-cpp.la libactivemq-cpp.lai libactivemq-cpp.so libactivemq-cpp.so.11 libactivemq-cpp.so.11.1.0
$
As a result, pkg-config requests a link against a non-existent library. This should be fixed so that the generated version and the indicated link version match.
This can be patched post-install, but it's messy.