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Diffstat (limited to 'generic/proof-utils.el')
| -rw-r--r-- | generic/proof-utils.el | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/generic/proof-utils.el b/generic/proof-utils.el index 531b7fa0..24988a7c 100644 --- a/generic/proof-utils.el +++ b/generic/proof-utils.el @@ -15,6 +15,39 @@ ;; (require 'proof-site) ; basic vars + + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; +;; Give Emacs version mismatch error here. +;; +;; This file is loaded early, and may be first compiled file +;; loaded if proof-site.el is loaded instead of proof-site.elc. +;; +(eval-and-compile + (defun pg-emacs-version-cookie () + (format (if (string-match "XEmacs" emacs-version) + ;; (featurep 'xemacs) gets optimised!! + "XEmacs %d.%d" "GNU Emacs %d.%d") + emacs-major-version emacs-minor-version)) + + (defconst pg-compiled-for + (eval-when-compile (pg-emacs-version-cookie)) + "Version of Emacs we're compiled for (or running on, if interpreted).")) + +(if (or (not (boundp 'emacs-major-version)) + (< emacs-major-version 21)) + (error "Proof General is not compatible with Emacs %s" emacs-version)) + +(unless (equal pg-compiled-for (pg-emacs-version-cookie)) + (error + "Proof General was compiled for %s but running on %s: please run \"make clean; make\"" + pg-compiled-for (pg-emacs-version-cookie))) + +;; +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + + (require 'proof-compat) ; for pg-defface-window-systems (require 'proof-config) ; config vars (require 'bufhist) ; bufhist |