0.1.2 built and installed both static and dynamic libraries, and the programs arow_test and arow_learn were linked with the dynamic library.
In 0.1.3, only a static library is produced, and the programs presumably link with that static library, since the 0.1.3 programs are much larger than their 0.1.2 counterparts.
These observations are from macOS 10.13.6.
0.1.2 built and installed both static and dynamic libraries, and the programs arow_test and arow_learn were linked with the dynamic library.
In 0.1.3, only a static library is produced, and the programs presumably link with that static library, since the 0.1.3 programs are much larger than their 0.1.2 counterparts.
These observations are from macOS 10.13.6.