Your bug report

#45186: Emacs master: build broken by spurious message ".../c-by.elc failed to provide feature `semantic/bovine/c-by"

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 45186@debbugs.gnu.org.

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45186: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=45186
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