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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 1.27 2007/08/27 19:41:03 ulm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/elisp-common.eclass,v 1.52 2008/11/24 14:21:04 ulm Exp $
4# 4#
5# Copyright 2007 Christian Faulhammer <opfer@gentoo.org>
6# Copyright 2002-2004 Matthew Kennedy <mkennedy@gentoo.org> 5# Copyright 2002-2004 Matthew Kennedy <mkennedy@gentoo.org>
6# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com>
7# Copyright 2004-2005 Mamoru Komachi <usata@gentoo.org> 7# Copyright 2004-2005 Mamoru Komachi <usata@gentoo.org>
8# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com> 8# Copyright 2007-2008 Christian Faulhammer <opfer@gentoo.org>
9# Copyright 2007 Ulrich Mueller <ulm@gentoo.org> 9# Copyright 2007-2008 Ulrich Müller <ulm@gentoo.org>
10# 10#
11# @ECLASS: elisp-common.eclass 11# @ECLASS: elisp-common.eclass
12# @MAINTAINER: 12# @MAINTAINER:
13# Feel free to contact the Emacs team through emacs@gentoo.org if you have 13# Feel free to contact the Emacs team through <emacs@gentoo.org> if you have
14# problems, suggestions or questions. 14# problems, suggestions or questions.
15# @BLURB: Emacs-related installation utilities 15# @BLURB: Emacs-related installation utilities
16# @DESCRIPTION: 16# @DESCRIPTION:
17# 17#
18# 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
31# 31#
32# .SS 32# .SS
33# src_compile() usage: 33# src_compile() usage:
34# 34#
35# 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
36# simply takes the source files as arguments. 36# simply takes the source files as arguments. The case of interdependent
37# 37# elisp files is also supported, since the current directory is added to the
38# elisp-compile *.el || die "elisp-compile failed"
39#
40# In the case of interdependent elisp files, you can use the elisp-comp()
41# function which makes sure all files are loadable. 38# load-path which makes sure that all files are loadable.
42# 39#
43# elisp-comp *.el || die "elisp-comp failed" 40# elisp-compile *.el || die
41#
42# Formerly, function elisp-comp() was used for compilation of interdependent
43# elisp files. This usage is considered as obsolete.
44# 44#
45# 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
46# 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
47# (default: "${PN}-autoloads.el") and a list of directories (default: working 47# (default: "${PN}-autoloads.el") and a list of directories (default: working
48# 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
49# source files contain magic ";;;###autoload" comments. See the Emacs Lisp 49# source files contain magic ";;;###autoload" comments. See the Emacs Lisp
50# Reference Manual (node "Autoload") for a detailed explanation. 50# Reference Manual (node "Autoload") for a detailed explanation.
51# 51#
52# .SS 52# .SS
53# src_install() usage: 53# src_install() usage:
54# 54#
57# 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
58# that directory. Usually the subdirectory should be ${PN}, you can choose 58# that directory. Usually the subdirectory should be ${PN}, you can choose
59# 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)
60# the change, as it defaults to ${PN}. 60# the change, as it defaults to ${PN}.
61# 61#
62# elisp-install ${PN} *.el *.elc || die "elisp-install failed" 62# elisp-install ${PN} *.el *.elc || die
63# 63#
64# 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
65# 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
66# 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
67# would look like this: 67# would look like this:
71# (add-to-list 'load-path "@SITELISP@") 71# (add-to-list 'load-path "@SITELISP@")
72# (add-to-list 'auto-mode-alist '("\\.csv\\'" . csv-mode)) 72# (add-to-list 'auto-mode-alist '("\\.csv\\'" . csv-mode))
73# (autoload 'csv-mode "csv-mode" "Major mode for csv files." t) 73# (autoload 'csv-mode "csv-mode" "Major mode for csv files." t)
74# 74#
75# If your Emacs support files are installed in a subdirectory of 75# If your Emacs support files are installed in a subdirectory of
76# /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
77# installed), you need to extend Emacs' load-path as shown in the first 77# Emacs' load-path as shown in the first non-comment.
78# non-comment. The elisp-site-file-install() function of this eclass will 78# The elisp-site-file-install() function of this eclass will replace
79# replace "@SITELISP@" by the actual path. 79# "@SITELISP@" by the actual path.
80# 80#
81# 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
82# ".csv" and load functions depending on the context and needed features. 82# ".csv" and load functions depending on the context and needed features.
83# Be careful though. Commands as "load-library" or "require" bloat the 83# Be careful though. Commands as "load-library" or "require" bloat the
84# 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
85# 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
86# 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
87# in pkg_postinst(), which should be enough. 87# in pkg_postinst(), which should be enough.
88# 88#
89# The naming scheme for this site file is "[0-9][0-9]*-gentoo.el", where the 89# The naming scheme for this site-init file matches the shell pattern
90# two digits at the beginning define the loading order. So if you depend on 90# "[1-8][0-9]*-gentoo.el", where the two digits at the beginning define the
91# loading order (numbers below 10 or above 89 are reserved for internal use).
91# another Emacs package, your site file's number must be higher! 92# So if you depend on another Emacs package, your site file's number must be
93# higher!
92# 94#
93# Best practice is to define a SITEFILE variable in the global scope of your 95# Best practice is to define a SITEFILE variable in the global scope of your
94# ebuild (right after DEPEND e.g.): 96# ebuild (e.g., right after DEPEND):
95# 97#
96# SITEFILE=50${PN}-gentoo.el 98# SITEFILE=50${PN}-gentoo.el
97# 99#
98# Which is then installed by 100# Which is then installed by
99# 101#
100# elisp-site-file-install "${FILESDIR}/${SITEFILE}" 102# elisp-site-file-install "${FILESDIR}/${SITEFILE}" || die
101# 103#
102# in src_install(). If your subdirectory is not named ${PN}, give the 104# in src_install(). If your subdirectory is not named ${PN}, give the
103# differing name as second argument. 105# differing name as second argument.
104# 106#
105# .SS 107# .SS
125# .SS 127# .SS
126# Miscellaneous functions: 128# Miscellaneous functions:
127# 129#
128# elisp-emacs-version() outputs the version of the currently active Emacs. 130# elisp-emacs-version() outputs the version of the currently active Emacs.
129 131
132# @ECLASS-VARIABLE: SITELISP
133# @DESCRIPTION:
134# Directory where packages install Emacs Lisp files.
130SITELISP=/usr/share/emacs/site-lisp 135SITELISP=/usr/share/emacs/site-lisp
131SITEFILE=50${PN}-gentoo.el 136
137# @ECLASS-VARIABLE: SITEETC
138# @DESCRIPTION:
139# Directory where packages install miscellaneous (not Lisp) files.
140SITEETC=/usr/share/emacs/etc
141
142# @ECLASS-VARIABLE: EMACS
143# @DESCRIPTION:
144# Path of Emacs executable.
145EMACS=/usr/bin/emacs
146
147# @ECLASS-VARIABLE: EMACSFLAGS
148# @DESCRIPTION:
149# Flags for executing Emacs in batch mode.
150# These work for Emacs versions 18-23, so don't change them.
151EMACSFLAGS="-batch -q --no-site-file"
152
153# @ECLASS-VARIABLE: BYTECOMPFLAGS
154# @DESCRIPTION:
155# Emacs flags used for byte-compilation in elisp-compile().
156BYTECOMPFLAGS="-L ."
132 157
133# @FUNCTION: elisp-compile 158# @FUNCTION: elisp-compile
134# @USAGE: <list of elisp files> 159# @USAGE: <list of elisp files>
135# @DESCRIPTION: 160# @DESCRIPTION:
136# Byte-compile Emacs Lisp files. 161# Byte-compile Emacs Lisp files.
162#
163# This function uses GNU Emacs to byte-compile all ".el" specified by its
164# arguments. The resulting byte-code (".elc") files are placed in the same
165# directory as their corresponding source file.
166#
167# The current directory is added to the load-path. This will ensure that
168# interdependent Emacs Lisp files are visible between themselves, in case
169# they require or load one another.
137 170
138elisp-compile() { 171elisp-compile() {
139 einfo "Compiling GNU Emacs Elisp files ..." 172 ebegin "Compiling GNU Emacs Elisp files"
140 /usr/bin/emacs -batch -q --no-site-file -f batch-byte-compile $* 173 ${EMACS} ${EMACSFLAGS} ${BYTECOMPFLAGS} -f batch-byte-compile "$@"
174 eend $? "elisp-compile: batch-byte-compile failed"
175}
176
177# #FUNCTION: elisp-comp
178# #USAGE: <list of elisp files>
179# #DESCRIPTION:
180# Byte-compile interdependent Emacs Lisp files.
181# THIS FUNCTION IS DEPRECATED.
182#
183# This function byte-compiles all ".el" files which are part of its
184# arguments, using GNU Emacs, and puts the resulting ".elc" files into the
185# current directory, so disregarding the original directories used in ".el"
186# arguments.
187#
188# This function manages in such a way that all Emacs Lisp files to be
189# compiled are made visible between themselves, in the event they require or
190# load one another.
191
192elisp-comp() {
193 # Copyright 1995 Free Software Foundation, Inc.
194 # François Pinard <pinard@iro.umontreal.ca>, 1995.
195 # Originally taken from GNU autotools.
196
197 ewarn "Function elisp-comp is deprecated and may be removed in future."
198 ewarn "Please use function elisp-compile instead, or report a bug about"
199 ewarn "${CATEGORY}/${PF} at <http://bugs.gentoo.org/>."
200 echo
201
202 [ $# -gt 0 ] || return 1
203
204 ebegin "Compiling GNU Emacs Elisp files"
205
206 local tempdir=elc.$$
207 mkdir ${tempdir}
208 cp "$@" ${tempdir}
209 pushd ${tempdir}
210
211 echo "(add-to-list 'load-path \"../\")" > script
212 ${EMACS} ${EMACSFLAGS} -l script -f batch-byte-compile *.el
213 local ret=$?
214 mv *.elc ..
215
216 popd
217 rm -fr ${tempdir}
218
219 eend ${ret} "elisp-comp: batch-byte-compile failed"
141} 220}
142 221
143# @FUNCTION: elisp-emacs-version 222# @FUNCTION: elisp-emacs-version
144# @DESCRIPTION: 223# @DESCRIPTION:
145# Output version of currently active Emacs. 224# Output version of currently active Emacs.
146 225
147elisp-emacs-version() { 226elisp-emacs-version() {
148 # The following will work for at least versions 18-22. 227 # The following will work for at least versions 18-23.
149 echo "(princ emacs-version)" >"${T}"/emacs-version.el 228 echo "(princ emacs-version)" >"${T}"/emacs-version.el
150 /usr/bin/emacs -batch -q --no-site-file -l "${T}"/emacs-version.el 229 ${EMACS} ${EMACSFLAGS} -l "${T}"/emacs-version.el
230 rm -f "${T}"/emacs-version.el
151} 231}
152 232
153# @FUNCTION: elisp-make-autoload-file 233# @FUNCTION: elisp-make-autoload-file
154# @USAGE: [output file] [list of directories] 234# @USAGE: [output file] [list of directories]
155# @DESCRIPTION: 235# @DESCRIPTION:
156# Generate a file with autoload definitions for the lisp functions. 236# Generate a file with autoload definitions for the lisp functions.
157 237
158elisp-make-autoload-file () { 238elisp-make-autoload-file() {
159 local f="${1:-${PN}-autoloads.el}" 239 local f="${1:-${PN}-autoloads.el}"
160 shift 240 shift
161 einfo "Generating autoload file for GNU Emacs ..." 241 ebegin "Generating autoload file for GNU Emacs"
162 242
163 sed 's/^FF/\f/' >"${f}" <<-EOF 243 sed 's/^FF/\f/' >"${f}" <<-EOF
164 ;;; ${f##*/} --- autoloads for ${P} 244 ;;; ${f##*/} --- autoloads for ${P}
165 245
166 ;;; Commentary: 246 ;;; Commentary:
175 ;; no-update-autoloads: t 255 ;; no-update-autoloads: t
176 ;; End: 256 ;; End:
177 ;;; ${f##*/} ends here 257 ;;; ${f##*/} ends here
178 EOF 258 EOF
179 259
180 /usr/bin/emacs -batch -q --no-site-file \ 260 ${EMACS} ${EMACSFLAGS} \
181 --eval "(setq make-backup-files nil)" \ 261 --eval "(setq make-backup-files nil)" \
182 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \ 262 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \
183 -f batch-update-autoloads "${@-.}" 263 -f batch-update-autoloads "${@-.}"
264
265 eend $? "elisp-make-autoload-file: batch-update-autoloads failed"
184} 266}
185 267
186# @FUNCTION: elisp-install 268# @FUNCTION: elisp-install
187# @USAGE: <subdirectory> <list of files> 269# @USAGE: <subdirectory> <list of files>
188# @DESCRIPTION: 270# @DESCRIPTION:
189# Install files in SITELISP directory. 271# Install files in SITELISP directory.
190 272
191elisp-install() { 273elisp-install() {
192 local subdir=$1 274 local subdir="$1"
193 einfo "Installing Elisp files for GNU Emacs support ..."
194 dodir "${SITELISP}/${subdir}"
195 insinto "${SITELISP}/${subdir}"
196 shift 275 shift
276 ebegin "Installing Elisp files for GNU Emacs support"
277 ( # subshell to avoid pollution of calling environment
278 insinto "${SITELISP}/${subdir}"
197 doins $@ 279 doins "$@"
280 )
281 eend $? "elisp-install: doins failed"
198} 282}
199 283
200# @FUNCTION: elisp-site-file-install 284# @FUNCTION: elisp-site-file-install
201# @USAGE: <site-init file> [subdirectory] 285# @USAGE: <site-init file> [subdirectory]
202# @DESCRIPTION: 286# @DESCRIPTION:
203# Install Emacs site-init file in SITELISP directory. 287# Install Emacs site-init file in SITELISP directory.
204 288
205elisp-site-file-install() { 289elisp-site-file-install() {
206 local sitefile=$1 my_pn=${2:-${PN}} 290 local sf="${T}/${1##*/}" my_pn="${2:-${PN}}" ret
207 einfo "Installing site initialisation file for GNU Emacs ..." 291 ebegin "Installing site initialisation file for GNU Emacs"
208 pushd "${S}" 292 cp "$1" "${sf}"
209 cp ${sitefile} "${T}" 293 sed -i -e "s:@SITELISP@:${SITELISP}/${my_pn}:g" \
210 sed -i "s:@SITELISP@:${SITELISP}/${my_pn}:g" "${T}/$(basename ${sitefile})" 294 -e "s:@SITEETC@:${SITEETC}/${my_pn}:g;\$q" "${sf}"
211 insinto ${SITELISP} 295 ( # subshell to avoid pollution of calling environment
212 doins "${T}/$(basename ${sitefile})" || die "failed to install site file" 296 insinto "${SITELISP}/site-gentoo.d"
213 popd 297 doins "${sf}"
298 )
299 ret=$?
300 rm -f "${sf}"
301 eend ${ret} "elisp-site-file-install: doins failed"
214} 302}
215 303
216# @FUNCTION: elisp-site-regen 304# @FUNCTION: elisp-site-regen
217# @DESCRIPTION: 305# @DESCRIPTION:
218# Regenerate site-gentoo.el file. 306# Regenerate the site-gentoo.el file, based on packages' site initialisation
307# files in the /usr/share/emacs/site-lisp/site-gentoo.d/ directory.
308#
309# Note: Before December 2007, site initialisation files were installed in
310# /usr/share/emacs/site-lisp/. For backwards compatibility, this location is
311# still supported when generating site-gentoo.el.
219 312
220elisp-site-regen() { 313elisp-site-regen() {
221 local sflist sf line 314 local i sf line firstrun obsolete
315 local -a sflist
316 # Work around Paludis borkage: variable T is empty in pkg_postrm
317 local tmpdir=${T:-$(mktemp -d)}
318
319 if [ ! -d "${ROOT}${SITELISP}" ]; then
320 eerror "elisp-site-regen: Directory ${SITELISP} does not exist"
321 return 1
322 fi
323
324 [ -e "${ROOT}${SITELISP}"/site-gentoo.el ] || firstrun=t
325
326 if [ "${firstrun}" ] && [ ! -e "${ROOT}${SITELISP}"/site-start.el ]; then
327 einfo "Creating default ${SITELISP}/site-start.el ..."
328 cat <<-EOF >"${tmpdir}"/site-start.el
329 ;;; site-start.el
330
331 ;;; Commentary:
332 ;; This default site startup file is installed by elisp-common.eclass.
333 ;; You may replace this file by your own site initialisation, or even
334 ;; remove it completely; it will not be recreated.
335
336 ;;; Code:
337 ;; Load site initialisation for Gentoo-installed packages.
338 (require 'site-gentoo)
339
340 ;;; site-start.el ends here
341 EOF
342 fi
222 343
223 einfon "Regenerating ${SITELISP}/site-gentoo.el ..." 344 einfon "Regenerating ${SITELISP}/site-gentoo.el ..."
345
346 # remove any auxiliary file (from previous run)
347 rm -f "${ROOT}${SITELISP}"/00site-gentoo.el
348
349 # set nullglob option, there may be a directory without matching files
350 local old_shopts=$(shopt -p nullglob)
351 shopt -s nullglob
352
353 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el \
354 "${ROOT}${SITELISP}"/site-gentoo.d/[0-9][0-9]*.el
355 do
356 [ -r "${sf}" ] || continue
357 # sort files by their basename. straight insertion sort.
358 for ((i=${#sflist[@]}; i>0; i--)); do
359 [[ ${sf##*/} < ${sflist[i-1]##*/} ]] || break
360 sflist[i]=${sflist[i-1]}
361 done
362 sflist[i]=${sf}
363 # set a flag if there are obsolete files
364 [ "${sf%/*}" = "${ROOT}${SITELISP}" ] && obsolete=t
365 done
366
367 eval "${old_shopts}"
368
224 cat <<-EOF >"${T}"/site-gentoo.el 369 cat <<-EOF >"${tmpdir}"/site-gentoo.el
225 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages 370 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages
226 371
227 ;;; Commentary: 372 ;;; Commentary:
228 ;; Automatically generated by elisp-common.eclass 373 ;; Automatically generated by elisp-common.eclass
229 ;; DO NOT EDIT THIS FILE 374 ;; DO NOT EDIT THIS FILE
230 375
231 ;;; Code: 376 ;;; Code:
232 EOF 377 EOF
233 378 # Use sed instead of cat here, since files may miss a trailing newline.
234 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el 379 sed '$q' "${sflist[@]}" </dev/null >>"${tmpdir}"/site-gentoo.el
235 do
236 [ -r "${sf}" ] || continue
237 sflist="${sflist} $(basename "${sf}")"
238 cat "${sf}" >>"${T}"/site-gentoo.el
239 done
240
241 cat <<-EOF >>"${T}"/site-gentoo.el 380 cat <<-EOF >>"${tmpdir}"/site-gentoo.el
242 381
382 (provide 'site-gentoo)
383
384 ;; Local Variables:
385 ;; no-byte-compile: t
386 ;; End:
243 ;;; site-gentoo.el ends here 387 ;;; site-gentoo.el ends here
244 EOF 388 EOF
245 389
246 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${T}"/site-gentoo.el; then 390 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${tmpdir}"/site-gentoo.el
391 then
247 # This prevents outputting unnecessary text when there 392 # This prevents outputting unnecessary text when there
248 # was actually no change 393 # was actually no change.
249 # A case is a remerge where we have doubled output 394 # A case is a remerge where we have doubled output.
250 echo " no changes." 395 echo " no changes."
251 else 396 else
252 mv "${T}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el 397 mv "${tmpdir}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el
253 echo; einfo 398 [ -f "${tmpdir}"/site-start.el ] \
254 for sf in ${sflist}; do 399 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ] \
255 einfo " Adding ${sf} ..." 400 && mv "${tmpdir}"/site-start.el "${ROOT}${SITELISP}"/site-start.el
256 done 401 echo
402 einfo "... ${#sflist[@]} site initialisation file(s) included."
403 fi
404
405 if [ "${firstrun}" ]; then
406 echo
257 while read line; do einfo "${line}"; done <<EOF 407 while read line; do einfo "${line:- }"; done <<-EOF
258
259All site initialisation for Gentoo-installed packages is added to 408 All site initialisation for Gentoo-installed packages is added to
260/usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is no longer 409 /usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is not
261managed by Gentoo. You are responsible for all maintenance of 410 managed by Gentoo. You are responsible for all maintenance of
262site-start.el if there is such a file. 411 site-start.el if there is such a file.
263 412
264In order for this site initialisation to be loaded for all users 413 In order for this site initialisation to be loaded for all users
265automatically, you can add a line like this: 414 automatically, you can add a line like this:
266 415
267 (load "/usr/share/emacs/site-lisp/site-gentoo" nil t) 416 (require 'site-gentoo)
268 417
269to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line 418 to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line
270can be added by individual users to their initialisation files, or for 419 can be added by individual users to their initialisation files, or,
271greater flexibility, users can select which of the package-specific 420 for greater flexibility, users can load individual package-specific
272initialisation files in /usr/share/emacs/site-lisp/ to load. 421 initialisation files from /usr/share/emacs/site-lisp/site-gentoo.d/.
273EOF 422 EOF
274 echo 423 echo
275 fi 424 fi
276}
277 425
278# @FUNCTION: elisp-comp 426 if [ "${obsolete}" ]; then
279# @USAGE: <list of elisp files> 427 echo
280# @DESCRIPTION: 428 while read line; do ewarn "${line}"; done <<-EOF
281# Byte-compile interdependent Emacs Lisp files. 429 Site-initialisation files of Emacs packages are now installed in
282# Originally taken from GNU autotools. 430 /usr/share/emacs/site-lisp/site-gentoo.d/. We strongly recommend
431 that you use app-admin/emacs-updater to rebuild the installed
432 Emacs packages.
433 EOF
283 434
284elisp-comp() { 435 # Kludge for backwards compatibility: During pkg_postrm, old versions
285 # Copyright 1995 Free Software Foundation, Inc. 436 # of this eclass (saved in the VDB) won't find packages' site-init
286 # François Pinard <pinard@iro.umontreal.ca>, 1995. 437 # files in the new location. So we copy them to an auxiliary file
287 # This script byte-compiles all `.el' files which are part of its 438 # that is visible to old eclass versions.
288 # arguments, using GNU Emacs, and put the resulting `.elc' files into 439 for sf in "${sflist[@]}"; do
289 # the current directory, so disregarding the original directories used 440 [ "${sf%/*}" = "${ROOT}${SITELISP}/site-gentoo.d" ] \
290 # in `.el' arguments. 441 && cat "${sf}" >>"${ROOT}${SITELISP}"/00site-gentoo.el
291 # 442 done
292 # This script manages in such a way that all Emacs LISP files to
293 # be compiled are made visible between themselves, in the event
294 # they require or load-library one another.
295
296 test $# -gt 0 || return 1
297
298 if test -z "${EMACS}" || test "${EMACS}" = "t"; then
299 # Value of "t" means we are running in a shell under Emacs.
300 # Just assume Emacs is called "emacs".
301 EMACS=/usr/bin/emacs
302 fi 443 fi
303 einfo "Compiling GNU Emacs Elisp files ..."
304 444
305 tempdir=elc.$$ 445 # cleanup
306 mkdir ${tempdir} 446 rm -f "${tmpdir}"/site-{gentoo,start}.el
307 cp $* ${tempdir}
308 pushd ${tempdir}
309 447
310 echo "(add-to-list 'load-path \"../\")" > script 448 return 0
311 ${EMACS} -batch -q --no-site-file --no-init-file -l script \
312 -f batch-byte-compile *.el
313 local status=$?
314 mv *.elc ..
315
316 popd
317 rm -fr ${tempdir}
318 return ${status}
319} 449}

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