that is a purely user-settable variable to represent the relative
path under ${PREFIX} where info files are stored and "dir" files
are managed. PKGINFODIR defaults to "info". INFO_DIR still works,
but will be obsoleted after the 2006Q1 branch.
* Modify GNU_CONFIGURE_INFODIR to only honor ${PKGINFODIR} if the
package installs directly into ${PREFIX} and not some subdirectory
under ${PREFIX}. This fixes packages that don't really honor
$(infodir) all that well, and also avoids PLIST problems relating
to directory removal for those packages.
* Since the majority of Emacs Lisp packages use GNU_CONFIGURE, just
set GNU_CONFIGURE_INFODIR directly to ${EMACS_INFOPREFIX}, which is
the Emacs-distro-specific location for info files. Also pass
EMACS_INFOPREFIX through PLIST_SUBST for PLIST substitution.
* INFO_FILES should be defined if the package installs info files.
If the info files are not listed in the PLIST, then INFO_FILES
must list the filenames for the info files installed by the package,
which are assumed to be located in ${PREFIX}/${PKGINFODIR}.
* The plist module can now better detect info files listed in PLISTs
and exports a command to the pkginstall module to append info file
names to the +INFO_FILES scriptlet at install-time.
* The print-PLIST target is updated to properly list info files in
the auto-generated PLIST.
* The check-files code is updated to skip all "dir" Info database files.
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