Silvio Traversaro

See usage of `YARP_DOXYGEN_TAGFILE` and `DOX_GENERATE_TAGFILE` in https://github.com/robotology/yarp/blob/master/cmake/YarpDoc.cmake#L43 .

Not sure if they do something similar in ignition-cmake, but I just saw that they have this supercool file that I guess make sure that std doxygen objects are linked...

See also https://en.cppreference.com/w/Cppreference:Archives#Doxygen_tag_file .

Relevant ign-cmake PR: https://bitbucket.org/ignitionrobotics/ign-cmake/pull-requests/65/doxygen-macro-for-downstream-packages-30/diff .

> Well, there is some work here to do. I reckon if we can make a standard template project for this it will be really super useful! Definitely. Another tricky...

I am still a bit conflicted regarding how we should recommend to handle optional dependencies such as the YCM in this case. In my experience, taking automatic decision based on...

> Well, unless you use the fetched content only locally for the sake of the build (which in turn may cause other problem, like interdependencies with other libraries, but this...

> Just out of curiosity, what is your opinion about the following scenario: a required version of a library is not found on the system. The user allows for external...

I am not fully 100% sure about the reasoning behind the PR, so one of the reasons for opening the PR is indeed to check if the CI works correctly...

Related issue on the "Gazebo" side: https://github.com/ignitionrobotics/ign-physics/issues/299 . The Gazebo simulator as described in http://gazebosim.org/ is now typically referred as "Gazebo Classic" and it is in mantainance mode (no new...