0001-cppunit-config-no-longer-exists-use-pkg-config.patch is gone since https://src.fedoraproject.org/rpms/squid/c/5dcaec0b66b9f0ab00ab2519da19b8e530bc7d4c hence the autoconf call (%build section) https://src.fedoraproject.org/rpms/squid/blob/master/f/squid.spec#_98 is no longer needed. "BuildRequires: autoconf" is not needed either. Upstream fix: https://github.com/squid-cache/squid/commit/459011abac01875851e1fe1e306fcf556b095bcb
Thanks for your report! It has no sense anymore. Removing it, since we can use upstream generated config script. Commit: https://src.fedoraproject.org/rpms/squid/c/5caa9c3f2f1253f95bc2f71cb3bf7d2283e75947?branch=master