More regular

Only one shell script to compute them all
and in the lightness fix them

 _license-check:
   ${MAKE} all-dir-depends|${_sort_dependencies}|
       while read subdir; do
           ${_flavor_fragment}
           _MASTER_PERMIT_CDROM=${PERMIT_PACKAGE_CDROM:Q}
           _MASTER_PERMIT_FTP=${PERMIT_PACKAGE_FTP:Q}
           export _MASTER_PERMIT_CDROM _MASTER_PERMIT_FTP
           eval $$toset ${MAKE} _license-check
       done