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# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/elisp.eclass,v 1.33 2008/08/28 09:55:01 ulm Exp $
#
# 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
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