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1# Copyright 1999-2007 Gentoo Foundation 1# Copyright 1999-2008 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-common.eclass,v 1.23 2007/07/09 13:40:58 flameeyes Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/elisp-common.eclass,v 1.41 2008/07/01 22:10:06 ulm Exp $
4# 4#
5# Copyright 2007 Christian Faulhammer <opfer@gentoo.org>
6# Copyright 2002-2007 Matthew Kennedy <mkennedy@gentoo.org> 5# Copyright 2002-2004 Matthew Kennedy <mkennedy@gentoo.org>
7# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com> 6# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com>
7# Copyright 2004-2005 Mamoru Komachi <usata@gentoo.org>
8# Copyright 2007-2008 Christian Faulhammer <opfer@gentoo.org>
8# Copyright 2007 Ulrich Mueller <ulm@gentoo.org> 9# Copyright 2007-2008 Ulrich Müller <ulm@gentoo.org>
9# 10#
10# This is not a real eclass, but it does provide Emacs-related installation 11# @ECLASS: elisp-common.eclass
11# utilities. 12# @MAINTAINER:
12# 13# Feel free to contact the Emacs team through <emacs@gentoo.org> if you have
13# USAGE: 14# problems, suggestions or questions.
15# @BLURB: Emacs-related installation utilities
16# @DESCRIPTION:
14# 17#
15# Usually you want to use this eclass for (optional) GNU Emacs support of 18# Usually you want to use this eclass for (optional) GNU Emacs support of
16# your package. This is NOT for XEmacs! 19# your package. This is NOT for XEmacs!
20#
17# Many of the steps here are sometimes done by the build system of your 21# Many of the steps here are sometimes done by the build system of your
18# package (especially compilation), so this is mainly for standalone elisp 22# package (especially compilation), so this is mainly for standalone elisp
19# files you gathered from somewhere else. 23# files you gathered from somewhere else.
24#
20# When relying on the emacs USE flag, you need to add 25# When relying on the emacs USE flag, you need to add
21# 26#
22# emacs? ( virtual/emacs ) 27# emacs? ( virtual/emacs )
23# 28#
24# to your DEPEND/RDEPEND line and use the functions provided here to bring 29# to your DEPEND/RDEPEND line and use the functions provided here to bring
25# the files to the correct locations. 30# the files to the correct locations.
26# 31#
32# .SS
27# src_compile() usage: 33# src_compile() usage:
28# --------------------
29# 34#
30# An elisp file is compiled by the elisp-compile() function defined here and 35# An elisp file is compiled by the elisp-compile() function defined here and
31# simply takes the source files as arguments. In the case of interdependent 36# simply takes the source files as arguments.
32# elisp files, you can use the elisp-comp() function which makes sure all
33# files are loadable.
34# 37#
35# elisp-compile *.el || die "elisp-compile failed!" 38# elisp-compile *.el || die "elisp-compile failed"
36# or 39#
40# In the case of interdependent elisp files, you can use the elisp-comp()
41# function which makes sure all files are loadable.
42#
37# elisp-comp *.el || die "elisp-comp failed!" 43# elisp-comp *.el || die "elisp-comp failed"
38# 44#
39# Function elisp-make-autoload-file() can be used to generate a file with 45# Function elisp-make-autoload-file() can be used to generate a file with
40# autoload definitions for the lisp functions. It takes the output file name 46# autoload definitions for the lisp functions. It takes the output file name
41# (default: "${PN}-autoloads.el") and a list of directories (default: working 47# (default: "${PN}-autoloads.el") and a list of directories (default: working
42# directory) as its arguments. Use of this function requires that the elisp 48# directory) as its arguments. Use of this function requires that the elisp
43# source files contain magic ";;;###autoload" comments. See the Emacs Lisp 49# source files contain magic ";;;###autoload" comments. See the Emacs Lisp
44# Reference Manual (node "Autoload") for a detailed explanation. 50# Reference Manual (node "Autoload") for a detailed explanation.
45# 51#
52# .SS
46# src_install() usage: 53# src_install() usage:
47# --------------------
48# 54#
49# The resulting compiled files (.elc) should be put in a subdirectory of 55# The resulting compiled files (.elc) should be put in a subdirectory of
50# /usr/share/emacs/site-lisp/ which is named after the first argument 56# /usr/share/emacs/site-lisp/ which is named after the first argument
51# of elisp-install(). The following parameters are the files to be put in 57# of elisp-install(). The following parameters are the files to be put in
52# that directory. Usually the subdirectory should be ${PN}, you can choose 58# that directory. Usually the subdirectory should be ${PN}, you can choose
53# something else, but remember to tell elisp-site-file-install() (see below) 59# something else, but remember to tell elisp-site-file-install() (see below)
54# the change, as it defaults to ${PN}. 60# the change, as it defaults to ${PN}.
55# 61#
56# elisp-install ${PN} *.elc *.el || die "elisp-install failed!" 62# elisp-install ${PN} *.el *.elc || die "elisp-install failed"
57# 63#
58# To let the Emacs support be activated by Emacs on startup, you need 64# To let the Emacs support be activated by Emacs on startup, you need
59# to provide a site file (shipped in ${FILESDIR}) which contains the startup 65# to provide a site file (shipped in ${FILESDIR}) which contains the startup
60# code (have a look in the documentation of your software). Normally this 66# code (have a look in the documentation of your software). Normally this
61# would look like this: 67# would look like this:
62# 68#
63# ;;; csv-mode site-lisp configuration 69# ;;; csv-mode site-lisp configuration
64# 70#
65# (add-to-list 'load-path "@SITELISP@") 71# (add-to-list 'load-path "@SITELISP@")
66# (add-to-list 'auto-mode-alist '("\\.csv\\'" . csv-mode)) 72# (add-to-list 'auto-mode-alist '("\\.csv\\'" . csv-mode))
67# (autoload 'csv-mode "csv-mode" "Major mode for editing csv files." t) 73# (autoload 'csv-mode "csv-mode" "Major mode for csv files." t)
68# 74#
69# If your Emacs support files are installed in a subdirectory of 75# If your Emacs support files are installed in a subdirectory of
70# /usr/share/emacs/site-lisp/ (which is recommended if more than one file is 76# /usr/share/emacs/site-lisp/ (which is recommended), you need to extend
71# installed), you need to extend Emacs' load-path as shown in the first 77# Emacs' load-path as shown in the first non-comment.
72# non-comment. The elisp-site-file-install() function of this eclass will 78# The elisp-site-file-install() function of this eclass will replace
73# replace "@SITELISP@" by the actual path. 79# "@SITELISP@" by the actual path.
80#
74# The next line tells Emacs to load the mode opening a file ending with 81# The next line tells Emacs to load the mode opening a file ending with
75# ".csv" and load functions depending on the context and needed features. 82# ".csv" and load functions depending on the context and needed features.
76# Be careful though. Commands as "load-library" or "require" bloat the 83# Be careful though. Commands as "load-library" or "require" bloat the
77# editor as they are loaded on every startup. When having a lot of Emacs 84# editor as they are loaded on every startup. When having a lot of Emacs
78# support files, users may be annoyed by the start-up time. Also avoid 85# support files, users may be annoyed by the start-up time. Also avoid
79# keybindings as they might interfere with the user's settings. Give a hint 86# keybindings as they might interfere with the user's settings. Give a hint
80# in pkg_postinst(), which should be enough. 87# in pkg_postinst(), which should be enough.
88#
81# The naming scheme for this site file is "[0-9][0-9]*-gentoo.el", where the 89# The naming scheme for this site file is "[0-9][0-9]*-gentoo.el", where the
82# two digits at the beginning define the loading order. So if you depend on 90# two digits at the beginning define the loading order. So if you depend on
83# another Emacs package, your site file's number must be higher! 91# another Emacs package, your site file's number must be higher!
92#
84# Best practice is to define a SITEFILE variable in the global scope of your 93# Best practice is to define a SITEFILE variable in the global scope of your
85# ebuild (right after DEPEND e.g.): 94# ebuild (right after DEPEND e.g.):
86# 95#
87# SITEFILE=50${PN}-gentoo.el 96# SITEFILE=50${PN}-gentoo.el
88# 97#
89# Which is then installed by 98# Which is then installed by
90# 99#
91# elisp-site-file-install "${FILESDIR}/${SITEFILE}" 100# elisp-site-file-install "${FILESDIR}/${SITEFILE}" || die
92# 101#
93# in src_install(). If your subdirectory is not named ${PN}, give the 102# in src_install(). If your subdirectory is not named ${PN}, give the
94# differing name as second argument. 103# differing name as second argument.
95# 104#
105# .SS
96# pkg_postinst() / pkg_postrm() usage: 106# pkg_postinst() / pkg_postrm() usage:
97# ------------------------------------
98# 107#
99# After that you need to recreate the start-up file of Emacs after emerging 108# After that you need to recreate the start-up file of Emacs after emerging
100# and unmerging by using 109# and unmerging by using
101# 110#
102# pkg_postinst() { 111# pkg_postinst() {
103# elisp-site-regen 112# elisp-site-regen
104# } 113# }
105# 114#
106# pkg_postrm() { 115# pkg_postrm() {
107# elisp-site-regen 116# elisp-site-regen
108# } 117# }
109# 118#
110# When having optional Emacs support, you should prepend "use emacs &&" to 119# When having optional Emacs support, you should prepend "use emacs &&" to
111# above calls of elisp-site-regen(). Don't use "has_version virtual/emacs"! 120# above calls of elisp-site-regen(). Don't use "has_version virtual/emacs"!
112# When unmerging the state of the USE flag emacs is taken from the package 121# When unmerging the state of the emacs USE flag is taken from the package
113# database and not from the environment, so it is no problem when you unset 122# database and not from the environment, so it is no problem when you unset
114# USE=emacs between merge und unmerge of a package. 123# USE=emacs between merge and unmerge of a package.
115# 124#
125# .SS
116# Miscellaneous functions: 126# Miscellaneous functions:
117# ------------------------
118# 127#
119# elisp-emacs-version() outputs the version of the currently active Emacs. 128# elisp-emacs-version() outputs the version of the currently active Emacs.
120#
121# As always: Feel free to contact Emacs team through emacs@gentoo.org if you
122# have problems, suggestions or questions.
123 129
124IUSE="userland_GNU" 130# @ECLASS-VARIABLE: SITELISP
125 131# @DESCRIPTION:
132# Directory where packages install Emacs Lisp files.
126SITELISP=/usr/share/emacs/site-lisp 133SITELISP=/usr/share/emacs/site-lisp
127 134
135# Directory where packages install miscellaneous (not Lisp) files.
136SITEETC=/usr/share/emacs/etc
137
138# @ECLASS-VARIABLE: SITEFILE
139# @DESCRIPTION:
140# Name of package's site-init file.
141SITEFILE=50${PN}-gentoo.el
142
143EMACS=/usr/bin/emacs
144# The following works for Emacs versions 18-23, don't change it.
145EMACSFLAGS="-batch -q --no-site-file"
146
147# @FUNCTION: elisp-compile
148# @USAGE: <list of elisp files>
149# @DESCRIPTION:
150# Byte-compile Emacs Lisp files.
151
128elisp-compile() { 152elisp-compile() {
129 einfo "Compiling GNU Emacs Elisp files ..." 153 ebegin "Compiling GNU Emacs Elisp files"
130 /usr/bin/emacs -batch -q --no-site-file -f batch-byte-compile $* 154 ${EMACS} ${EMACSFLAGS} -f batch-byte-compile "$@"
155 eend $? "batch-byte-compile failed"
131} 156}
157
158# @FUNCTION: elisp-comp
159# @USAGE: <list of elisp files>
160# @DESCRIPTION:
161# Byte-compile interdependent Emacs Lisp files.
162#
163# This function byte-compiles all ".el" files which are part of its
164# arguments, using GNU Emacs, and puts the resulting ".elc" files into the
165# current directory, so disregarding the original directories used in ".el"
166# arguments.
167#
168# This function manages in such a way that all Emacs Lisp files to be
169# compiled are made visible between themselves, in the event they require or
170# load one another.
171
172elisp-comp() {
173 # Copyright 1995 Free Software Foundation, Inc.
174 # François Pinard <pinard@iro.umontreal.ca>, 1995.
175 # Originally taken from GNU autotools.
176
177 [ $# -gt 0 ] || return 1
178
179 ebegin "Compiling GNU Emacs Elisp files"
180
181 tempdir=elc.$$
182 mkdir ${tempdir}
183 cp "$@" ${tempdir}
184 pushd ${tempdir}
185
186 echo "(add-to-list 'load-path \"../\")" > script
187 ${EMACS} ${EMACSFLAGS} -l script -f batch-byte-compile *.el
188 local ret=$?
189 mv *.elc ..
190
191 popd
192 rm -fr ${tempdir}
193
194 eend ${ret} "batch-byte-compile failed"
195 return ${ret}
196}
197
198# @FUNCTION: elisp-emacs-version
199# @DESCRIPTION:
200# Output version of currently active Emacs.
132 201
133elisp-emacs-version() { 202elisp-emacs-version() {
134 # Output version of currently active Emacs.
135 # The following will work for at least versions 18-22. 203 # The following will work for at least versions 18-23.
136 echo "(princ emacs-version)" >"${T}"/emacs-version.el 204 echo "(princ emacs-version)" >"${T}"/emacs-version.el
137 /usr/bin/emacs -batch -q --no-site-file -l "${T}"/emacs-version.el 205 ${EMACS} ${EMACSFLAGS} -l "${T}"/emacs-version.el
206 rm -f "${T}"/emacs-version.el
138} 207}
139 208
209# @FUNCTION: elisp-make-autoload-file
210# @USAGE: [output file] [list of directories]
211# @DESCRIPTION:
212# Generate a file with autoload definitions for the lisp functions.
213
140elisp-make-autoload-file () { 214elisp-make-autoload-file() {
141 local f="${1:-${PN}-autoloads.el}" 215 local f="${1:-${PN}-autoloads.el}"
142 shift 216 shift
143 einfo "Generating autoload file for GNU Emacs ..." 217 ebegin "Generating autoload file for GNU Emacs"
144 218
145 sed 's/^FF/\f/' >"${f}" <<-EOF 219 sed 's/^FF/\f/' >"${f}" <<-EOF
146 ;;; ${f##*/} --- autoloads for ${P} 220 ;;; ${f##*/} --- autoloads for ${P}
147 221
148 ;;; Commentary: 222 ;;; Commentary:
157 ;; no-update-autoloads: t 231 ;; no-update-autoloads: t
158 ;; End: 232 ;; End:
159 ;;; ${f##*/} ends here 233 ;;; ${f##*/} ends here
160 EOF 234 EOF
161 235
162 /usr/bin/emacs -batch -q --no-site-file \ 236 ${EMACS} ${EMACSFLAGS} \
163 --eval "(setq make-backup-files nil)" \ 237 --eval "(setq make-backup-files nil)" \
164 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \ 238 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \
165 -f batch-update-autoloads "${@-.}" 239 -f batch-update-autoloads "${@-.}"
240
241 eend $? "batch-update-autoloads failed"
166} 242}
243
244# @FUNCTION: elisp-install
245# @USAGE: <subdirectory> <list of files>
246# @DESCRIPTION:
247# Install files in SITELISP directory.
167 248
168elisp-install() { 249elisp-install() {
169 local subdir=$1 250 local subdir="$1"
170 einfo "Installing Elisp files for GNU Emacs support ..."
171 dodir "${SITELISP}/${subdir}"
172 insinto "${SITELISP}/${subdir}"
173 shift 251 shift
252 ebegin "Installing Elisp files for GNU Emacs support"
253 ( # subshell to avoid pollution of calling environment
254 insinto "${SITELISP}/${subdir}"
174 doins $@ 255 doins "$@"
256 )
257 eend $? "doins failed"
175} 258}
259
260# @FUNCTION: elisp-site-file-install
261# @USAGE: <site-init file> [subdirectory]
262# @DESCRIPTION:
263# Install Emacs site-init file in SITELISP directory.
176 264
177elisp-site-file-install() { 265elisp-site-file-install() {
178 local sitefile=$1 my_pn=${2:-${PN}} 266 local sf="${T}/${1##*/}" my_pn="${2:-${PN}}" ret
179 einfo "Installing site initialisation file for GNU Emacs ..." 267 ebegin "Installing site initialisation file for GNU Emacs"
180 pushd "${S}" 268 cp "$1" "${sf}"
181 cp ${sitefile} "${T}" 269 sed -i -e "s:@SITELISP@:${SITELISP}/${my_pn}:g" \
182 sed -i "s:@SITELISP@:${SITELISP}/${my_pn}:g" "${T}/$(basename ${sitefile})" 270 -e "s:@SITEETC@:${SITEETC}/${my_pn}:g" "${sf}"
183 insinto ${SITELISP} 271 ( # subshell to avoid pollution of calling environment
184 doins "${T}/$(basename ${sitefile})" || die "failed to install site file" 272 insinto "${SITELISP}/site-gentoo.d"
185 popd 273 doins "${sf}"
274 )
275 ret=$?
276 rm -f "${sf}"
277 eend ${ret} "doins failed"
186} 278}
279
280# @FUNCTION: elisp-site-regen
281# @DESCRIPTION:
282# Regenerate site-gentoo.el file. The old location for site initialisation
283# files of packages was /usr/share/emacs/site-lisp/. In December 2007 this
284# has been changed to /usr/share/emacs/site-lisp/site-gentoo.d/. Remerge of
285# packages with Emacs support is enough, the old location is still supported
286# when generating the start-up file.
187 287
188elisp-site-regen() { 288elisp-site-regen() {
189 local sflist sf line 289 local i sf line obsolete
290 local -a sflist
291 # Work around Paludis borkage: variable T is empty in pkg_postrm
292 local tmpdir=${T:-$(mktemp -d)}
190 293
294 if [ ! -d "${ROOT}${SITELISP}" ]; then
295 eerror "Directory ${SITELISP} does not exist"
296 return 1
297 fi
298
299 if [ ! -e "${ROOT}${SITELISP}"/site-gentoo.el ] \
300 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ]; then
301 einfo "Creating default ${SITELISP}/site-start.el ..."
302 cat <<-EOF >"${tmpdir}"/site-start.el
303 ;;; site-start.el
304
305 ;;; Commentary:
306 ;; This default site startup file is installed by elisp-common.eclass.
307 ;; You may replace this file by your own site initialisation, or even
308 ;; remove it completely; it will not be recreated.
309
310 ;;; Code:
311 ;; Load site initialisation for Gentoo-installed packages.
312 (require 'site-gentoo)
313
314 ;;; site-start.el ends here
315 EOF
316 fi
317
191 einfo "Regenerating ${SITELISP}/site-gentoo.el ..." 318 einfon "Regenerating ${SITELISP}/site-gentoo.el ..."
192 cat <<EOF >"${T}"/site-gentoo.el
193;;; DO NOT EDIT THIS FILE -- IT IS GENERATED AUTOMATICALLY BY PORTAGE
194;;; -----------------------------------------------------------------
195 319
196EOF 320 # remove any auxiliary file (from previous run)
321 rm -f "${ROOT}${SITELISP}"/00site-gentoo.el
322
323 # set nullglob option, there may be a directory without matching files
324 local old_shopts=$(shopt -p nullglob)
325 shopt -s nullglob
326
197 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el 327 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el \
328 "${ROOT}${SITELISP}"/site-gentoo.d/[0-9][0-9]*.el
198 do 329 do
199 [ -r "${sf}" ] || continue 330 [ -r "${sf}" ] || continue
200 sflist="${sflist} $(basename "${sf}")" 331 # sort files by their basename. straight insertion sort.
201 cat "${sf}" >>"${T}"/site-gentoo.el 332 for ((i=${#sflist[@]}; i>0; i--)); do
333 [[ ${sf##*/} < ${sflist[i-1]##*/} ]] || break
334 sflist[i]=${sflist[i-1]}
335 done
336 sflist[i]=${sf}
337 # set a flag if there are obsolete files
338 [ "${sf%/*}" = "${ROOT}${SITELISP}" ] && obsolete=t
202 done 339 done
203 340
341 eval "${old_shopts}"
342
343 cat <<-EOF >"${tmpdir}"/site-gentoo.el
344 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages
345
346 ;;; Commentary:
347 ;; Automatically generated by elisp-common.eclass
348 ;; DO NOT EDIT THIS FILE
349
350 ;;; Code:
351 EOF
352 cat "${sflist[@]}" </dev/null >>"${tmpdir}"/site-gentoo.el
353 cat <<-EOF >>"${tmpdir}"/site-gentoo.el
354
355 (provide 'site-gentoo)
356
357 ;; Local Variables:
358 ;; no-byte-compile: t
359 ;; End:
360 ;;; site-gentoo.el ends here
361 EOF
362
204 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${T}"/site-gentoo.el; then 363 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${tmpdir}"/site-gentoo.el
364 then
205 # This prevents outputting unnecessary text when there 365 # This prevents outputting unnecessary text when there
206 # was actually no change 366 # was actually no change.
207 # A case is a remerge where we have doubled output 367 # A case is a remerge where we have doubled output.
208 einfo "... no changes" 368 echo " no changes."
209 else 369 else
210 local mvopts=""
211 use userland_GNU && mvopts="-b"
212 mv ${mvopts} "${T}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el 370 mv "${tmpdir}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el
213 einfo "" 371 [ -f "${tmpdir}"/site-start.el ] \
372 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ] \
373 && mv "${tmpdir}"/site-start.el "${ROOT}${SITELISP}"/site-start.el
374 echo; einfo
214 for sf in ${sflist}; do 375 for sf in "${sflist[@]##*/}"; do
215 einfo " Adding ${sf} ..." 376 einfo " Adding ${sf} ..."
216 done 377 done
378 einfo "Regenerated ${SITELISP}/site-gentoo.el."
379
380 echo
217 while read line; do einfo "${line}"; done <<EOF 381 while read line; do einfo "${line}"; done <<EOF
218
219All site initialization for Gentoo-installed packages is now added to 382All site initialisation for Gentoo-installed packages is added to
220/usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is no longer 383/usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is no longer
221managed by Gentoo. You are responsible for all maintenance of 384managed by Gentoo. You are responsible for all maintenance of
222site-start.el if there is such a file. 385site-start.el if there is such a file.
223 386
224In order for this site initialization to be loaded for all users 387In order for this site initialisation to be loaded for all users
225automatically, as was done previously, you can add a line like this: 388automatically, you can add a line like this:
226 389
227 (load "/usr/share/emacs/site-lisp/site-gentoo" nil t) 390 (require 'site-gentoo)
228 391
229to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line 392to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line
230can be added by individual users to their initialization files, or for 393can be added by individual users to their initialisation files, or,
231greater flexibility, users can select which of the package-specific 394for greater flexibility, users can load individual package-specific
232initialization files in /usr/share/emacs/site-lisp to load. 395initialisation files from /usr/share/emacs/site-lisp/site-gentoo.d/.
233EOF 396EOF
234 echo 397 echo
235 fi 398 fi
236}
237 399
238# The following Emacs Lisp compilation routine is taken from GNU 400 if [ "${obsolete}" ]; then
239# autotools. 401 while read line; do ewarn "${line}"; done <<-EOF
402 Site-initialisation files of Emacs packages are now installed in
403 /usr/share/emacs/site-lisp/site-gentoo.d/. We strongly recommend
404 that you use /usr/sbin/emacs-updater to rebuild the installed
405 Emacs packages.
406 EOF
407 echo
240 408
241elisp-comp() { 409 # Kludge for backwards compatibility: During pkg_postrm, old versions
242 # Copyright 1995 Free Software Foundation, Inc. 410 # of this eclass (saved in the VDB) won't find packages' site-init
243 # François Pinard <pinard@iro.umontreal.ca>, 1995. 411 # files in the new location. So we copy them to an auxiliary file
244 # This script byte-compiles all `.el' files which are part of its 412 # that is visible to old eclass versions.
245 # arguments, using GNU Emacs, and put the resulting `.elc' files into 413 for sf in "${sflist[@]}"; do
246 # the current directory, so disregarding the original directories used 414 [ "${sf%/*}" = "${ROOT}${SITELISP}/site-gentoo.d" ] \
247 # in `.el' arguments. 415 && cat "${sf}" >>"${ROOT}${SITELISP}"/00site-gentoo.el
248 # 416 done
249 # This script manages in such a way that all Emacs LISP files to
250 # be compiled are made visible between themselves, in the event
251 # they require or load-library one another.
252
253 test $# -gt 0 || return 1
254
255 if test -z "${EMACS}" || test "${EMACS}" = "t"; then
256 # Value of "t" means we are running in a shell under Emacs.
257 # Just assume Emacs is called "emacs".
258 EMACS=/usr/bin/emacs
259 fi 417 fi
260 einfo "Compiling GNU Emacs Elisp files ..."
261 418
262 tempdir=elc.$$ 419 # cleanup
263 mkdir ${tempdir} 420 rm -f "${tmpdir}"/site-{gentoo,start}.el
264 cp $* ${tempdir}
265 pushd ${tempdir}
266
267 echo "(add-to-list 'load-path \"../\")" > script
268 ${EMACS} -batch -q --no-site-file --no-init-file -l script \
269 -f batch-byte-compile *.el
270 local status=$?
271 mv *.elc ..
272
273 popd
274 rm -fr ${tempdir}
275 return ${status}
276} 421}

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