# kick in, because the tree might be in an inconsistent state (e.g.,
# we have just switched from 'maint' to 'master', and have the built
# 'automake' script left from 'maint', but the files 'lib/am/*.am'
# kick in, because the tree might be in an inconsistent state (e.g.,
# we have just switched from 'maint' to 'master', and have the built
# 'automake' script left from 'maint', but the files 'lib/am/*.am'