Your bug report

#60731: configure does not check for space behind "-l"

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

The explanation is attached below, along with your original report.
If you require more details, please reply to 60731@debbugs.gnu.org.

-- 
60731: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=60731
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