Your bug report

#59818: incomplete type 'struct pollfd', etc., when compiling tail on MacOS (patch included)

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

The explanation is attached below, along with your original report.
If you require more details, please reply to 59818@debbugs.gnu.org.

-- 
59818: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=59818
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