aa8e85bcfd
1) Simplify the way how an emacs version is picked when no emacs is installed, but a user try to install an Emacs Lisp package. Just pick up the version set as EMACS_TYPE than searching for versions already installed etc. If the EMACS_TYPE version is not supported by the Emacs Lisp Package, just fail. EMACS_TYPE be default to GNU Emacs 21. (In other words, users should set EMACS_TYPE as they want. Otherwise GNU Emacs 21 is used.) 2) All Emacs Lisp Packages *must* prepend EMACS_PKGNAME_PREFIX to a) the PKGNAME itself, and b) PKGNAME in its dependency lines. EMACS_PKGNAME_PREFIX is expanded to "xemacs-" when XEmacs is used. This keeps dependency graph of Emacs-Lisp-packages- installed-for-XEmacs consistent. 3) Document EMACS_* variables as much as possible. 4) Provide more cookies for PLIST. Maybe utilized later. Note that the 2) change doesn't affect the default, GNU Emacs 21 behaviour. So no version / revision bumps in this commit. |
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