Improved treatment of recursive defines

[pbuehler]

@vkucera This solves the issue with the failing documentation updates you mentioned recently.

[github-actions[bot]]

REQUEST FOR PRODUCTION RELEASES: To request your PR to be included in production software, please add the corresponding labels called "async-" to your PR. Add the labels directly (if you have the permissions) or add a comment of the form (note that labels are separated by a ",")

+async-label <label1>, <label2>, !<label3> ...

This will add <label1> and <label2> and removes <label3>.

The following labels are available async-2023-pbpb-apass3 async-2023-pbpb-apass4 async-2023-pp-apass4 async-2024-pp-apass1 async-2022-pp-apass7 async-2024-pp-cpass0

[alibuild]

Error while checking build/O2/fullCI for e62c04181eae48f8231d7a9667628a4fbfbbdeb1 at 2024-07-10 06:02:

## sw/BUILD/O2-latest/log
c++: error: unrecognized command-line option '--rtlib=compiler-rt'
c++: error: unrecognized command-line option '--rtlib=compiler-rt'

Full log here.

[alcaliva]

Hi @pbuehler, why is this needed for production tags?

[chiarazampolli]

Hello @pbuehler ,

I am removing the labels, since we think that this PR is not needed in production. Let us know if this is not the case, and we can add them back.

Chiara