Summary:
While this source was in tree it was never build. Adding it to the build
system.
Thanks Ross for spotting.
Depends on D6886
Reviewers: zmike
Reviewed By: zmike
Subscribers: cedric, #reviewers, #committers, zmike
Tags: #efl
Differential Revision: https://phab.enlightenment.org/D6887
this greatly improves build times by improving parallelizing, though it
does introduce more BUILT_SOURCES usage which causes builds with cxx
bindings to take significantly longer
fix T7157
ref T7154
Differential Revision: https://phab.enlightenment.org/D6633