[doxygen] Remove duplicate entries in TAGFILES variable.

jrl-umi3218 / jrl-cmakemodules

CMake utility toolbox

https://jrl-cmakemodules.readthedocs.io/en/master/

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[doxygen] Remove duplicate entries in TAGFILES variable. #669

Closed florent-lamiraux closed 4 months ago

florent-lamiraux commented 4 months ago

Generating TAGFILES recursively results in low level dependencies to be duplicated many times in the variable. This makes doxygen run for hours when compiling hpp-doc for example.

This PR removes duplicate entries.