Suggested by Daniele Nicolodi: https://github.com/systemd/systemd/pull/23160#discussion_r855853716 This is possible only if the macro is never used in #if, but only in C code. This means that all places that use #if have to be refactored into C, but we reduce the duplication a bit, and C is nicer to read than preprocessor conditionals.
System and Service Manager
Details
Most documentation is available on systemd's web site.
Assorted, older, general information about systemd can be found in the systemd Wiki.
Information about build requirements is provided in the README file.
Consult our NEWS file for information about what's new in the most recent systemd versions.
Please see the Code Map for information about this repository's layout and content.
Please see the Hacking guide for information on how to hack on systemd and test your modifications.
Please see our Contribution Guidelines for more information about filing GitHub Issues and posting GitHub Pull Requests.
When preparing patches for systemd, please follow our Coding Style Guidelines.
If you are looking for support, please contact our mailing list or join our IRC channel.
Stable branches with backported patches are available in the stable repo.
