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1# Copyright 1999-2008 Gentoo Foundation 1# Copyright 1999-2010 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/elisp.eclass,v 1.32 2008/06/23 21:38:42 opfer Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/elisp.eclass,v 1.46 2010/09/17 07:39:58 ulm Exp $
4# 4#
5# Copyright 2002-2003 Matthew Kennedy <mkennedy@gentoo.org> 5# Copyright 2002-2003 Matthew Kennedy <mkennedy@gentoo.org>
6# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com> 6# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com>
7# Copyright 2007-2008 Christian Faulhammer <opfer@gentoo.org> 7# Copyright 2007-2010 Christian Faulhammer <fauli@gentoo.org>
8# Copyright 2007-2008 Ulrich Müller <ulm@gentoo.org> 8# Copyright 2007-2010 Ulrich Müller <ulm@gentoo.org>
9# 9#
10# @ECLASS: elisp.eclass 10# @ECLASS: elisp.eclass
11# @MAINTAINER: 11# @MAINTAINER:
12# Feel free to contact the Emacs team through <emacs@gentoo.org> if you 12# Feel free to contact the Emacs team through <emacs@gentoo.org> if you
13# have problems, suggestions or questions. 13# have problems, suggestions or questions.
14# @BLURB: Eclass for Emacs Lisp packages 14# @BLURB: Eclass for Emacs Lisp packages
15# @DESCRIPTION: 15# @DESCRIPTION:
16# 16#
17# This eclass sets the site-lisp directory for Emacs-related packages. 17# This eclass is designed to install elisp files of Emacs related
18# packages into the site-lisp directory. The majority of elisp packages
19# will only need to define the standard ebuild variables (like SRC_URI)
20# and optionally SITEFILE for successful installation.
18# 21#
19# Emacs support for other than pure elisp packages is handled by 22# Emacs support for other than pure elisp packages is handled by
20# elisp-common.eclass where you won't have a dependency on Emacs itself. 23# elisp-common.eclass where you won't have a dependency on Emacs itself.
21# All elisp-* functions are documented there. 24# All elisp-* functions are documented there.
22# 25#
23# If the package's source is a single (in whatever way) compressed elisp 26# If the package's source is a single (in whatever way) compressed elisp
24# file with the file name ${P}.el, then this eclass will move ${P}.el to 27# file with the file name ${P}.el, then this eclass will move ${P}.el to
25# ${PN}.el in src_unpack(). 28# ${PN}.el in src_unpack().
26 29
27# @ECLASS-VARIABLE: DOCS
28# @DESCRIPTION:
29# DOCS="blah.txt ChangeLog" is automatically used to install the given
30# files by dodoc in src_install().
31
32# @ECLASS-VARIABLE: NEED_EMACS 30# @ECLASS-VARIABLE: NEED_EMACS
31# @DEFAULT_UNSET
33# @DESCRIPTION: 32# @DESCRIPTION:
34# If you need anything different from Emacs 21, use the NEED_EMACS 33# If you need anything different from Emacs 21, use the NEED_EMACS
35# variable before inheriting elisp.eclass. Set it to the major version 34# variable before inheriting elisp.eclass. Set it to the major version
36# your package uses and the dependency will be adjusted. 35# your package uses and the dependency will be adjusted.
37 36
38inherit elisp-common versionator 37# @ECLASS-VARIABLE: ELISP_PATCHES
38# @DEFAULT_UNSET
39# @DESCRIPTION:
40# Any patches to apply after unpacking the sources. Patch files are
41# searched for in the current working dir, WORKDIR, and FILESDIR.
39 42
40VERSION=${NEED_EMACS:-21} 43# @ECLASS-VARIABLE: SITEFILE
44# @DEFAULT_UNSET
45# @DESCRIPTION:
46# Name of package's site-init file. The filename must match the shell
47# pattern "[1-8][0-9]*-gentoo.el"; numbers below 10 and above 89 are
48# reserved for internal use. "50${PN}-gentoo.el" is a reasonable choice
49# in most cases.
50
51# @ECLASS-VARIABLE: ELISP_TEXINFO
52# @DEFAULT_UNSET
53# @DESCRIPTION:
54# Space separated list of Texinfo sources. Respective GNU Info files
55# will be generated in src_compile() and installed in src_install().
56
57# @ECLASS-VARIABLE: DOCS
58# @DEFAULT_UNSET
59# @DESCRIPTION:
60# DOCS="blah.txt ChangeLog" is automatically used to install the given
61# files by dodoc in src_install().
62
63inherit elisp-common eutils
64
65case "${EAPI:-0}" in
66 0|1) EXPORT_FUNCTIONS src_{unpack,compile,install} \
67 pkg_{setup,postinst,postrm} ;;
68 *) EXPORT_FUNCTIONS src_{unpack,prepare,configure,compile,install} \
69 pkg_{setup,postinst,postrm} ;;
70esac
71
41DEPEND=">=virtual/emacs-${VERSION}" 72DEPEND=">=virtual/emacs-${NEED_EMACS:-21}"
42RDEPEND=">=virtual/emacs-${VERSION}" 73RDEPEND="${DEPEND}"
43IUSE="" 74IUSE=""
44 75
76# @FUNCTION: elisp_pkg_setup
77# @DESCRIPTION:
78# Test if the eselected Emacs version is sufficient to fulfil the major
79# version requirement of the NEED_EMACS variable.
80
45elisp_pkg_setup() { 81elisp_pkg_setup() {
82 local need_emacs=${NEED_EMACS:-21}
46 local emacs_version="$(elisp-emacs-version)" 83 local have_emacs=$(elisp-emacs-version)
47 if ! version_is_at_least "${VERSION}" "${emacs_version}"; then 84 if [ "${have_emacs%%.*}" -lt "${need_emacs%%.*}" ]; then
48 eerror "This package needs at least Emacs ${VERSION}." 85 eerror "This package needs at least Emacs ${need_emacs%%.*}."
49 eerror "Use \"eselect emacs\" to select the active version." 86 eerror "Use \"eselect emacs\" to select the active version."
50 die "Emacs version ${emacs_version} is too low." 87 die "Emacs version ${have_emacs} is too low."
51 fi 88 fi
52 einfo "Currently selected GNU Emacs version: ${emacs_version}" 89 einfo "Emacs version: ${have_emacs}"
53} 90}
54 91
92# @FUNCTION: elisp_src_unpack
93# @DESCRIPTION:
94# Unpack the sources; also handle the case of a single *.el file in
95# WORKDIR for packages distributed that way. For EAPIs without
96# src_prepare, call elisp_src_prepare.
97
55elisp_src_unpack() { 98elisp_src_unpack() {
56 unpack ${A} 99 [ -n "${A}" ] && unpack ${A}
57 if [ -f ${P}.el ]; then 100 if [ -f ${P}.el ]; then
58 mv ${P}.el ${PN}.el || die "mv ${P}.el ${PN}.el failed" 101 # the "simple elisp" case with a single *.el file in WORKDIR
102 mv ${P}.el ${PN}.el || die
103 [ -d "${S}" ] || S=${WORKDIR}
104 fi
105
106 case "${EAPI:-0}" in
107 0|1) [ -d "${S}" ] && cd "${S}"
108 elisp_src_prepare ;;
109 esac
110}
111
112# @FUNCTION: elisp_src_prepare
113# @DESCRIPTION:
114# Apply any patches listed in ELISP_PATCHES. Patch files are searched
115# for in the current working dir, WORKDIR, and FILESDIR.
116
117elisp_src_prepare() {
118 local patch
119 for patch in ${ELISP_PATCHES}; do
120 if [ -f "${patch}" ]; then
121 epatch "${patch}"
122 elif [ -f "${WORKDIR}/${patch}" ]; then
123 epatch "${WORKDIR}/${patch}"
124 elif [ -f "${FILESDIR}/${patch}" ]; then
125 epatch "${FILESDIR}/${patch}"
126 else
127 die "Cannot find ${patch}"
128 fi
129 done
130}
131
132# @FUNCTION: elisp_src_configure
133# @DESCRIPTION:
134# Do nothing, because Emacs packages seldomly bring a full build system.
135
136elisp_src_configure() { :; }
137
138# @FUNCTION: elisp_src_compile
139# @DESCRIPTION:
140# Call elisp-compile to byte-compile all Emacs Lisp (*.el) files.
141# If ELISP_TEXINFO lists any Texinfo sources, call makeinfo to generate
142# GNU Info files from then.
143
144elisp_src_compile() {
145 elisp-compile *.el || die
146 if [ -n "${ELISP_TEXINFO}" ]; then
147 makeinfo ${ELISP_TEXINFO} || die
59 fi 148 fi
60} 149}
61 150
151# @FUNCTION: elisp_src_install
152# @DESCRIPTION:
153# Call elisp-install to install all Emacs Lisp (*.el and *.elc) files.
154# If the SITEFILE variable specifies a site-init file, install it with
155# elisp-site-file-install. Also install any GNU Info files listed in
156# ELISP_TEXINFO and documentation listed in the DOCS variable.
157
62elisp_src_compile() { 158elisp_src_install() {
63 elisp-compile *.el || die "elisp-compile failed" 159 elisp-install ${PN} *.el *.elc || die
160 if [ -n "${SITEFILE}" ]; then
161 elisp-site-file-install "${FILESDIR}/${SITEFILE}" || die
162 fi
163 if [ -n "${ELISP_TEXINFO}" ]; then
164 set -- ${ELISP_TEXINFO}
165 doinfo ${@/%.*/.info*} || die
166 fi
167 if [ -n "${DOCS}" ]; then
168 dodoc ${DOCS} || die
169 fi
64} 170}
65 171
66elisp_src_install() { 172# @FUNCTION: elisp_pkg_postinst
67 elisp-install ${PN} *.el *.elc || die "elisp-install failed" 173# @DESCRIPTION:
68 elisp-site-file-install "${FILESDIR}/${SITEFILE}" \ 174# Call elisp-site-regen, in order to collect the site initialisation for
69 || die "elisp-site-file-install failed" 175# all installed Emacs Lisp packages in the site-gentoo.el file.
70 if [ -n "${DOCS}" ]; then
71 dodoc ${DOCS} || die "dodoc failed"
72 fi
73}
74 176
75elisp_pkg_postinst() { 177elisp_pkg_postinst() {
76 elisp-site-regen 178 elisp-site-regen
77} 179}
78 180
181# @FUNCTION: elisp_pkg_postrm
182# @DESCRIPTION:
183# Call elisp-site-regen, in order to collect the site initialisation for
184# all installed Emacs Lisp packages in the site-gentoo.el file.
185
79elisp_pkg_postrm() { 186elisp_pkg_postrm() {
80 elisp-site-regen 187 elisp-site-regen
81} 188}
82
83EXPORT_FUNCTIONS \
84 src_unpack src_compile src_install \
85 pkg_setup pkg_postinst pkg_postrm

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