[Akim Demaille <akim@xxxxxxxx>]

>>>>> "Guy" == Guy Harris <guy@xxxxxxxxxx> writes:

Guy> What you want is to make "aclocal" (and anything else that
Guy> searches for ".m4" auto* files) *always* search in all the
Guy> directories that, on the system on which it's being run, happen
Guy> to contain installed macros; an application using auto* to build
Guy> its config script by looking for those macros can't use
Guy> AC_SET_PREFIX, as the package isn't in a position to know where
Guy> those macros might be hidden, unless it just goes for the
Guy> brute-force approach I suggested in other mail, e.g. having
Guy> "autogen.sh" just pepper the invocation of "aclocal" with "-I"
Guy> flags looking everywhere somebody might have hidden the macros.

This is issue is being addressed currently and will be solved with the
next release of Autoconf (aclocal will be obsolete).