From 0385470dd59ec8901be2e4748a6fa5744778dac6 Mon Sep 17 00:00:00 2001
From: Ulrich Müller <ulm@gentoo.org>
Date: Sun, 12 Feb 2012 16:07:25 +0000
Subject: Require GNU Emacs in elisp-need-emacs.

svn path=/emacs-overlay/; revision=1795
---
 eclass/ChangeLog           | 2 ++
 eclass/elisp-common.eclass | 6 +++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

(limited to 'eclass')

diff --git a/eclass/ChangeLog b/eclass/ChangeLog
index 5d72de0..1f25668 100644
--- a/eclass/ChangeLog
+++ b/eclass/ChangeLog
@@ -1,5 +1,7 @@
 2012-02-11  Ulrich Müller  <ulm@gentoo.org>
 
+	* elisp-common.eclass (elisp-need-emacs): Require GNU Emacs.
+
 	* elisp-common.eclass (elisp-site-regen): Delete declaration of
 	unused variable.
 
diff --git a/eclass/elisp-common.eclass b/eclass/elisp-common.eclass
index 33b8ade..80e179d 100644
--- a/eclass/elisp-common.eclass
+++ b/eclass/elisp-common.eclass
@@ -173,7 +173,7 @@ BYTECOMPFLAGS="-L ."
 
 elisp-emacs-version() {
 	local ret
-	# The following will work for at least versions 18-23.
+	# The following will work for at least versions 18-24.
 	echo "(princ emacs-version)" >"${T}"/emacs-version.el
 	${EMACS} ${EMACSFLAGS} -l "${T}"/emacs-version.el
 	ret=$?
@@ -195,6 +195,10 @@ elisp-need-emacs() {
 	local need_emacs=$1 have_emacs
 	have_emacs=$(elisp-emacs-version) || return
 	einfo "Emacs version: ${have_emacs}"
+	if [[ ${have_emacs} =~ XEmacs|Lucid ]]; then
+		eerror "This package needs GNU Emacs."
+		return 1
+	fi
 	if ! [[ ${have_emacs%%.*} -ge ${need_emacs%%.*} ]]; then
 		eerror "This package needs at least Emacs ${need_emacs%%.*}."
 		eerror "Use \"eselect emacs\" to select the active version."
-- 
cgit v1.2.3-18-g5258