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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
#
# @ECLASS: elisp.eclass
# @MAINTAINER:
# Gentoo GNU Emacs project <gnu-emacs@gentoo.org>
# @AUTHOR:
# Matthew Kennedy <mkennedy@gentoo.org>
# Jeremy Maitin-Shepard <jbms@attbi.com>
# Christian Faulhammer <fauli@gentoo.org>
# Ulrich Müller <ulm@gentoo.org>
# @BLURB: Eclass for Emacs Lisp packages
# @DESCRIPTION:
#
# This eclass is designed to install elisp files of Emacs related
# packages into the site-lisp directory. The majority of elisp packages
# will only need to define the standard ebuild variables (like SRC_URI)
# and optionally SITEFILE for successful installation.
#
# 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
# ${PN}.el in src_unpack().
# @ECLASS-VARIABLE: NEED_EMACS
# @DEFAULT_UNSET
# @DESCRIPTION:
# If you need anything different from Emacs 23, use the NEED_EMACS
# variable before inheriting elisp.eclass. Set it to the major version
# your package uses and the dependency will be adjusted.
# @ECLASS-VARIABLE: ELISP_PATCHES
# @DEFAULT_UNSET
# @DESCRIPTION:
# Space separated list of patches to apply after unpacking the sources.
# Patch files are searched for in the current working dir, WORKDIR, and
# FILESDIR.
# @ECLASS-VARIABLE: ELISP_REMOVE
# @DEFAULT_UNSET
# @DESCRIPTION:
# Space separated list of files to remove after unpacking the sources.
# @ECLASS-VARIABLE: SITEFILE
# @DEFAULT_UNSET
# @DESCRIPTION:
# Name of package's site-init file. The filename must match the shell
# pattern "[1-8][0-9]*-gentoo.el"; numbers below 10 and above 89 are
# reserved for internal use. "50${PN}-gentoo.el" is a reasonable choice
# in most cases.
# @ECLASS-VARIABLE: ELISP_TEXINFO
# @DEFAULT_UNSET
# @DESCRIPTION:
# Space separated list of Texinfo sources. Respective GNU Info files
# will be generated in src_compile() and installed in src_install().
# @ECLASS-VARIABLE: DOCS
# @DEFAULT_UNSET
# @DESCRIPTION:
# DOCS="blah.txt ChangeLog" is automatically used to install the given
# files by dodoc in src_install().
inherit elisp-common
case ${EAPI:-0} in
0|1)
inherit eutils
EXPORT_FUNCTIONS src_{unpack,compile,install} \
pkg_{setup,postinst,postrm} ;;
2|3|4|5)
inherit eutils
EXPORT_FUNCTIONS src_{unpack,prepare,configure,compile,install} \
pkg_{setup,postinst,postrm} ;;
6)
EXPORT_FUNCTIONS src_{unpack,prepare,configure,compile,install} \
pkg_{setup,postinst,postrm} ;;
*) die "${ECLASS}: EAPI ${EAPI} not supported" ;;
esac
DEPEND=">=virtual/emacs-${NEED_EMACS:-23}"
RDEPEND="${DEPEND}"
# @FUNCTION: elisp_pkg_setup
# @DESCRIPTION:
# Test if the eselected Emacs version is sufficient to fulfil the major
# version requirement of the NEED_EMACS variable.
elisp_pkg_setup() {
elisp-need-emacs "${NEED_EMACS:-23}"
case $? in
0) ;;
1) die "Emacs version too low" ;;
*) die "Could not determine Emacs version" ;;
esac
}
# @FUNCTION: elisp_src_unpack
# @DESCRIPTION:
# Unpack the sources; also handle the case of a single *.el file in
# WORKDIR for packages distributed that way. For EAPIs without
# src_prepare, call elisp_src_prepare.
elisp_src_unpack() {
[[ -n ${A} ]] && unpack ${A}
if [[ -f ${P}.el ]]; then
# the "simple elisp" case with a single *.el file in WORKDIR
mv ${P}.el ${PN}.el || die
[[ -d ${S} ]] || S=${WORKDIR}
fi
case ${EAPI:-0} in
0|1) [[ -d ${S} ]] && cd "${S}"
elisp_src_prepare ;;
esac
}
# @FUNCTION: elisp_src_prepare
# @DESCRIPTION:
# Apply any patches listed in ELISP_PATCHES. Patch files are searched
# for in the current working dir, WORKDIR, and FILESDIR.
elisp_src_prepare() {
local patch file
for patch in ${ELISP_PATCHES}; do
if [[ -f ${patch} ]]; then
file="${patch}"
elif [[ -f ${WORKDIR}/${patch} ]]; then
file="${WORKDIR}/${patch}"
elif [[ -f ${FILESDIR}/${patch} ]]; then
file="${FILESDIR}/${patch}"
else
die "Cannot find ${patch}"
fi
case ${EAPI:-0} in
0|1|2|3|4|5) epatch "${file}" ;;
6) eapply "${file}" ;;
esac
done
# apply any user patches
case ${EAPI:-0} in
0|1|2|3|4|5) epatch_user ;;
6) eapply_user ;;
esac
if [[ -n ${ELISP_REMOVE} ]]; then
rm ${ELISP_REMOVE} || die
fi
}
# @FUNCTION: elisp_src_configure
# @DESCRIPTION:
# Do nothing, because Emacs packages seldomly bring a full build system.
elisp_src_configure() { :; }
# @FUNCTION: elisp_src_compile
# @DESCRIPTION:
# Call elisp-compile to byte-compile all Emacs Lisp (*.el) files.
# If ELISP_TEXINFO lists any Texinfo sources, call makeinfo to generate
# GNU Info files from them.
elisp_src_compile() {
elisp-compile *.el
if [[ -n ${ELISP_TEXINFO} ]]; then
makeinfo ${ELISP_TEXINFO} || die
fi
}
# @FUNCTION: elisp_src_install
# @DESCRIPTION:
# Call elisp-install to install all Emacs Lisp (*.el and *.elc) files.
# If the SITEFILE variable specifies a site-init file, install it with
# elisp-site-file-install. Also install any GNU Info files listed in
# ELISP_TEXINFO and documentation listed in the DOCS variable.
elisp_src_install() {
elisp-install ${PN} *.el *.elc
if [[ -n ${SITEFILE} ]]; then
elisp-site-file-install "${FILESDIR}/${SITEFILE}"
fi
if [[ -n ${ELISP_TEXINFO} ]]; then
set -- ${ELISP_TEXINFO}
set -- ${@##*/}
doinfo ${@/%.*/.info*} || die
fi
if [[ -n ${DOCS} ]]; then
dodoc ${DOCS} || die
fi
if declare -f readme.gentoo_create_doc >/dev/null; then
readme.gentoo_create_doc
fi
}
# @FUNCTION: elisp_pkg_postinst
# @DESCRIPTION:
# Call elisp-site-regen, in order to collect the site initialisation for
# all installed Emacs Lisp packages in the site-gentoo.el file.
elisp_pkg_postinst() {
elisp-site-regen
if declare -f readme.gentoo_print_elog >/dev/null; then
readme.gentoo_print_elog
fi
}
# @FUNCTION: elisp_pkg_postrm
# @DESCRIPTION:
# Call elisp-site-regen, in order to collect the site initialisation for
# all installed Emacs Lisp packages in the site-gentoo.el file.
elisp_pkg_postrm() {
elisp-site-regen
}
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