As of 68b6adebef05670a312fb92b05e7bd089d2ed43a, the license for the strerror_r-posix module seemingly isn't clearly defined:
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modules/strerror_r-posix
License:
LGPLv2+
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lib/strerror_r.c
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
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The difference dates back to 1838494765155d7c9ac63832182cd4ef9f368bf5 (i.e. when the module was first introduced).
May I request clarification nas to which license covers this module?
Regards,
Tim Walker