configure.ac is enabling kea-shell when it was skipped on purpose by user when --enable-generate-docs is used
Please consider an example when configuring kea before build :
./configure --enable-generate-docs
After makefiles are generated, one can see that kea-shell
was also enabled, which was not intended by a user :
Kea-shell: yes
.
It is a result of a bug in configure.ac
.