Rebuild configure as autoconf version changes affect generated scripts

freeipa.spec

@@ -975,6 +975,8 @@ find \
    -exec sed -i -e '1 s|^#!.*\bpython[^ ]*|#!%{__python2}|' {} \;
 %endif # ! with_python3
 
+autoconf --force
+
 %configure --with-vendor-suffix=-%{release} \
            %{enable_server_option} \
            %{with_ipatests_option} \
@@ -986,6 +988,7 @@ find \
 %if 0%{?with_python3}
 export PYTHON=%{__python3}
 pushd %{_builddir}/freeipa-%{version}-python3
+autoconf --force
 %configure --with-vendor-suffix=-%{release} \
            %{enable_server_option} \
            %{with_ipatests_option} \