tlbuild: --enable-maintainer-mode

 
 7.1.7 '--enable-maintainer-mode'
 --------------------------------
 
 Enable 'make' rules and dependencies not useful (and sometimes
 confusing) to the casual user.  This requires current versions of the
 GNU build tools (⇒Build system tools), as it automatically
 rebuilds infrastructure files as needed.  ⇒'missing' and
 'AM_MAINTAINER_MODE' (automake)maintainer-mode.