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+# Copyright 1999-2008 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+#
+# Copyright 2002-2003 Matthew Kennedy <mkennedy@gentoo.org>
+# Copyright 2003      Jeremy Maitin-Shepard <jbms@attbi.com>
+# Copyright 2007-2008 Christian Faulhammer <opfer@gentoo.org>
+# Copyright 2007-2008 Ulrich Müller <ulm@gentoo.org>
+#
+# @ECLASS: elisp.eclass
+# @MAINTAINER:
+# Feel free to contact the Emacs team through <emacs@gentoo.org> if you
+# have problems, suggestions or questions.
+# @BLURB: Eclass for Emacs Lisp packages
+# @DESCRIPTION:
+#
+# This eclass sets the site-lisp directory for Emacs-related packages.
+#
+# Emacs support for other than pure elisp packages is handled by
+# elisp-common.eclass where you won't have a dependency on Emacs itself.
+# All elisp-* functions are documented there.
+#
+# If the package's source is a single (in whatever way) compressed elisp
+# file with the file name ${P}.el, then this eclass will move ${P}.el to
+# ${PN}.el in src_unpack().
+
+# @ECLASS-VARIABLE: DOCS
+# @DESCRIPTION:
+# DOCS="blah.txt ChangeLog" is automatically used to install the given
+# files by dodoc in src_install().
+
+# @ECLASS-VARIABLE: NEED_EMACS
+# @DESCRIPTION:
+# If you need anything different from Emacs 21, use the NEED_EMACS
+# variable before inheriting elisp.eclass.  Set it to the major version
+# your package uses and the dependency will be adjusted.
+
+inherit elisp-common versionator
+
+DEPEND=">=virtual/emacs-${NEED_EMACS:-21}"
+RDEPEND=">=virtual/emacs-${NEED_EMACS:-21}"
+IUSE=""
+
+elisp_pkg_setup() {
+	local need_emacs=${NEED_EMACS:-21}
+	local have_emacs=$(elisp-emacs-version)
+	if ! version_is_at_least "${need_emacs}" "${have_emacs}"; then
+		eerror "This package needs at least Emacs ${need_emacs}."
+		eerror "Use \"eselect emacs\" to select the active version."
+		die "Emacs version ${have_emacs} is too low."
+	fi
+	einfo "Currently selected GNU Emacs version: ${have_emacs}"
+}
+
+elisp_src_unpack() {
+	[ -n "${A}" ] && unpack ${A}
+	if [ -f ${P}.el ]; then
+		mv ${P}.el ${PN}.el || die "mv ${P}.el ${PN}.el failed"
+	fi
+}
+
+elisp_src_compile() {
+	elisp-compile *.el || die "elisp-compile failed"
+}
+
+elisp_src_install() {
+	elisp-install ${PN} *.el *.elc || die "elisp-install failed"
+	elisp-site-file-install "${FILESDIR}/${SITEFILE}" \
+		|| die "elisp-site-file-install failed"
+	if [ -n "${DOCS}" ]; then
+		dodoc ${DOCS} || die "dodoc failed"
+	fi
+}
+
+elisp_pkg_postinst() {
+	elisp-site-regen
+}
+
+elisp_pkg_postrm() {
+	elisp-site-regen
+}
+
+EXPORT_FUNCTIONS \
+	src_unpack src_compile src_install \
+	pkg_setup pkg_postinst pkg_postrm