Your package fails to build with the newest autoconf-2.71, which was part of a recent wide Fedora change. More information about Fedora autoconf Change available here: https://fedoraproject.org/wiki/Changes/Autoconf_271#How_To_Test. The easiest way to reproduce the problem is to execute a fedora scratch-build on your package. Thank you for cooperation!
This bug appears to have been reported against 'rawhide' during the Fedora 36 development cycle. Changing version to 36.
The following builds were made after this report was opened: boinc-client-7.18.1-2.fc37