Add build-checks also for CentOS

mpcdf_common.py

@@ -57,6 +57,7 @@ def dist_prjconf_tags(distribution):
     centos_prjconf_tags = textwrap.dedent(
         """
         Prefer: perl-Error
+        Support: post-build-checks
         Substitute: c_compiler gcc
         Substitute: c++_compiler gcc-c++
         Substitute: ca-certificates-mozilla ca-certificates