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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 1.24 2007/07/10 20:14:52 ulm 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 2002-2004 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# This is not a real eclass, but it does provide Emacs-related installation 11# @ECLASS: elisp-common.eclass
12# utilities. 12# @MAINTAINER:
13# 13# Feel free to contact the Emacs team through <emacs@gentoo.org> if you have
14# USAGE: 14# problems, suggestions or questions.
15# @BLURB: Emacs-related installation utilities
16# @DESCRIPTION:
15# 17#
16# 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
17# your package. This is NOT for XEmacs! 19# your package. This is NOT for XEmacs!
20#
18# 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
19# package (especially compilation), so this is mainly for standalone elisp 22# package (especially compilation), so this is mainly for standalone elisp
20# files you gathered from somewhere else. 23# files you gathered from somewhere else.
24#
21# When relying on the emacs USE flag, you need to add 25# When relying on the emacs USE flag, you need to add
22# 26#
23# emacs? ( virtual/emacs ) 27# emacs? ( virtual/emacs )
24# 28#
25# 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
26# the files to the correct locations. 30# the files to the correct locations.
27# 31#
32# .SS
28# src_compile() usage: 33# src_compile() usage:
29# --------------------
30# 34#
31# 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
32# simply takes the source files as arguments. In the case of interdependent 36# simply takes the source files as arguments.
33# elisp files, you can use the elisp-comp() function which makes sure all
34# files are loadable.
35# 37#
36# elisp-compile *.el || die "elisp-compile failed" 38# elisp-compile *.el || die "elisp-compile failed"
37# 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#
38# elisp-comp *.el || die "elisp-comp failed" 43# elisp-comp *.el || die "elisp-comp failed"
39# 44#
40# 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
41# 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
42# (default: "${PN}-autoloads.el") and a list of directories (default: working 47# (default: "${PN}-autoloads.el") and a list of directories (default: working
43# 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
44# source files contain magic ";;;###autoload" comments. See the Emacs Lisp 49# source files contain magic ";;;###autoload" comments. See the Emacs Lisp
45# Reference Manual (node "Autoload") for a detailed explanation. 50# Reference Manual (node "Autoload") for a detailed explanation.
46# 51#
52# .SS
47# src_install() usage: 53# src_install() usage:
48# --------------------
49# 54#
50# 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
51# /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
52# 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
53# that directory. Usually the subdirectory should be ${PN}, you can choose 58# that directory. Usually the subdirectory should be ${PN}, you can choose
54# 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)
55# the change, as it defaults to ${PN}. 60# the change, as it defaults to ${PN}.
56# 61#
57# elisp-install ${PN} *.el *.elc || die "elisp-install failed" 62# elisp-install ${PN} *.el *.elc || die "elisp-install failed"
58# 63#
59# 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
60# 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
61# 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
62# would look like this: 67# would look like this:
63# 68#
64# ;;; csv-mode site-lisp configuration 69# ;;; csv-mode site-lisp configuration
65# 70#
66# (add-to-list 'load-path "@SITELISP@") 71# (add-to-list 'load-path "@SITELISP@")
67# (add-to-list 'auto-mode-alist '("\\.csv\\'" . csv-mode)) 72# (add-to-list 'auto-mode-alist '("\\.csv\\'" . csv-mode))
68# (autoload 'csv-mode "csv-mode" "Major mode for editing csv files." t) 73# (autoload 'csv-mode "csv-mode" "Major mode for csv files." t)
69# 74#
70# If your Emacs support files are installed in a subdirectory of 75# If your Emacs support files are installed in a subdirectory of
71# /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
72# installed), you need to extend Emacs' load-path as shown in the first 77# Emacs' load-path as shown in the first non-comment.
73# non-comment. The elisp-site-file-install() function of this eclass will 78# The elisp-site-file-install() function of this eclass will replace
74# replace "@SITELISP@" by the actual path. 79# "@SITELISP@" by the actual path.
80#
75# 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
76# ".csv" and load functions depending on the context and needed features. 82# ".csv" and load functions depending on the context and needed features.
77# Be careful though. Commands as "load-library" or "require" bloat the 83# Be careful though. Commands as "load-library" or "require" bloat the
78# 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
79# 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
80# 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
81# in pkg_postinst(), which should be enough. 87# in pkg_postinst(), which should be enough.
88#
82# 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
83# 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
84# another Emacs package, your site file's number must be higher! 91# another Emacs package, your site file's number must be higher!
92#
85# 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
86# ebuild (right after DEPEND e.g.): 94# ebuild (right after DEPEND e.g.):
87# 95#
88# SITEFILE=50${PN}-gentoo.el 96# SITEFILE=50${PN}-gentoo.el
89# 97#
90# Which is then installed by 98# Which is then installed by
91# 99#
92# elisp-site-file-install "${FILESDIR}/${SITEFILE}" 100# elisp-site-file-install "${FILESDIR}/${SITEFILE}" || die
93# 101#
94# 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
95# differing name as second argument. 103# differing name as second argument.
96# 104#
105# .SS
97# pkg_postinst() / pkg_postrm() usage: 106# pkg_postinst() / pkg_postrm() usage:
98# ------------------------------------
99# 107#
100# 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
101# and unmerging by using 109# and unmerging by using
102# 110#
103# pkg_postinst() { 111# pkg_postinst() {
104# elisp-site-regen 112# elisp-site-regen
105# } 113# }
106# 114#
107# pkg_postrm() { 115# pkg_postrm() {
108# elisp-site-regen 116# elisp-site-regen
109# } 117# }
110# 118#
111# When having optional Emacs support, you should prepend "use emacs &&" to 119# When having optional Emacs support, you should prepend "use emacs &&" to
112# 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"!
113# 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
114# 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
115# USE=emacs between merge und unmerge of a package. 123# USE=emacs between merge and unmerge of a package.
116# 124#
125# .SS
117# Miscellaneous functions: 126# Miscellaneous functions:
118# ------------------------
119# 127#
120# elisp-emacs-version() outputs the version of the currently active Emacs. 128# elisp-emacs-version() outputs the version of the currently active Emacs.
121#
122# As always: Feel free to contact Emacs team through emacs@gentoo.org if you
123# have problems, suggestions or questions.
124 129
130# @ECLASS-VARIABLE: SITELISP
131# @DESCRIPTION:
132# Directory where packages install Emacs Lisp files.
125SITELISP=/usr/share/emacs/site-lisp 133SITELISP=/usr/share/emacs/site-lisp
126 134
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
127elisp-compile() { 152elisp-compile() {
128 einfo "Compiling GNU Emacs Elisp files ..." 153 ebegin "Compiling GNU Emacs Elisp files"
129 /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"
130} 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.
131 201
132elisp-emacs-version() { 202elisp-emacs-version() {
133 # Output version of currently active Emacs.
134 # The following will work for at least versions 18-22. 203 # The following will work for at least versions 18-23.
135 echo "(princ emacs-version)" >"${T}"/emacs-version.el 204 echo "(princ emacs-version)" >"${T}"/emacs-version.el
136 /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
137} 207}
138 208
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
139elisp-make-autoload-file () { 214elisp-make-autoload-file() {
140 local f="${1:-${PN}-autoloads.el}" 215 local f="${1:-${PN}-autoloads.el}"
141 shift 216 shift
142 einfo "Generating autoload file for GNU Emacs ..." 217 ebegin "Generating autoload file for GNU Emacs"
143 218
144 sed 's/^FF/\f/' >"${f}" <<-EOF 219 sed 's/^FF/\f/' >"${f}" <<-EOF
145 ;;; ${f##*/} --- autoloads for ${P} 220 ;;; ${f##*/} --- autoloads for ${P}
146 221
147 ;;; Commentary: 222 ;;; Commentary:
156 ;; no-update-autoloads: t 231 ;; no-update-autoloads: t
157 ;; End: 232 ;; End:
158 ;;; ${f##*/} ends here 233 ;;; ${f##*/} ends here
159 EOF 234 EOF
160 235
161 /usr/bin/emacs -batch -q --no-site-file \ 236 ${EMACS} ${EMACSFLAGS} \
162 --eval "(setq make-backup-files nil)" \ 237 --eval "(setq make-backup-files nil)" \
163 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \ 238 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \
164 -f batch-update-autoloads "${@-.}" 239 -f batch-update-autoloads "${@-.}"
240
241 eend $? "batch-update-autoloads failed"
165} 242}
243
244# @FUNCTION: elisp-install
245# @USAGE: <subdirectory> <list of files>
246# @DESCRIPTION:
247# Install files in SITELISP directory.
166 248
167elisp-install() { 249elisp-install() {
168 local subdir=$1 250 local subdir="$1"
169 einfo "Installing Elisp files for GNU Emacs support ..."
170 dodir "${SITELISP}/${subdir}"
171 insinto "${SITELISP}/${subdir}"
172 shift 251 shift
252 ebegin "Installing Elisp files for GNU Emacs support"
253 ( # subshell to avoid pollution of calling environment
254 insinto "${SITELISP}/${subdir}"
173 doins $@ 255 doins "$@"
256 )
257 eend $? "doins failed"
174} 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.
175 264
176elisp-site-file-install() { 265elisp-site-file-install() {
177 local sitefile=$1 my_pn=${2:-${PN}} 266 local sf="${T}/${1##*/}" my_pn="${2:-${PN}}" ret
178 einfo "Installing site initialisation file for GNU Emacs ..." 267 ebegin "Installing site initialisation file for GNU Emacs"
179 pushd "${S}" 268 cp "$1" "${sf}"
180 cp ${sitefile} "${T}" 269 sed -i -e "s:@SITELISP@:${SITELISP}/${my_pn}:g" \
181 sed -i "s:@SITELISP@:${SITELISP}/${my_pn}:g" "${T}/$(basename ${sitefile})" 270 -e "s:@SITEETC@:${SITEETC}/${my_pn}:g" "${sf}"
182 insinto ${SITELISP} 271 ( # subshell to avoid pollution of calling environment
183 doins "${T}/$(basename ${sitefile})" || die "failed to install site file" 272 insinto "${SITELISP}/site-gentoo.d"
184 popd 273 doins "${sf}"
274 )
275 ret=$?
276 rm -f "${sf}"
277 eend ${ret} "doins failed"
185} 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.
186 287
187elisp-site-regen() { 288elisp-site-regen() {
188 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)}
189 293
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
190 einfo "Regenerating ${SITELISP}/site-gentoo.el ..." 318 einfon "Regenerating ${SITELISP}/site-gentoo.el ..."
319
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
327 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el \
328 "${ROOT}${SITELISP}"/site-gentoo.d/[0-9][0-9]*.el
329 do
330 [ -r "${sf}" ] || continue
331 # sort files by their basename. straight insertion sort.
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
339 done
340
341 eval "${old_shopts}"
342
191 cat <<-EOF >"${T}"/site-gentoo.el 343 cat <<-EOF >"${tmpdir}"/site-gentoo.el
192 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages 344 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages
193 345
194 ;;; Commentary: 346 ;;; Commentary:
195 ;; Automatically generated by elisp-common.eclass 347 ;; Automatically generated by elisp-common.eclass
196 ;; DO NOT EDIT THIS FILE 348 ;; DO NOT EDIT THIS FILE
197 349
198 ;;; Code: 350 ;;; Code:
199 EOF 351 EOF
200 352 cat "${sflist[@]}" </dev/null >>"${tmpdir}"/site-gentoo.el
201 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el
202 do
203 [ -r "${sf}" ] || continue
204 sflist="${sflist} $(basename "${sf}")"
205 cat "${sf}" >>"${T}"/site-gentoo.el
206 done
207
208 cat <<-EOF >>"${T}"/site-gentoo.el 353 cat <<-EOF >>"${tmpdir}"/site-gentoo.el
209 354
355 (provide 'site-gentoo)
356
357 ;; Local Variables:
358 ;; no-byte-compile: t
359 ;; End:
210 ;;; site-gentoo.el ends here 360 ;;; site-gentoo.el ends here
211 EOF 361 EOF
212 362
213 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
214 # This prevents outputting unnecessary text when there 365 # This prevents outputting unnecessary text when there
215 # was actually no change 366 # was actually no change.
216 # A case is a remerge where we have doubled output 367 # A case is a remerge where we have doubled output.
217 einfo "... no changes" 368 echo " no changes."
218 else 369 else
219 mv "${T}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el 370 mv "${tmpdir}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el
220 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
221 for sf in ${sflist}; do 375 for sf in "${sflist[@]##*/}"; do
222 einfo " Adding ${sf} ..." 376 einfo " Adding ${sf} ..."
223 done 377 done
378 einfo "Regenerated ${SITELISP}/site-gentoo.el."
379
380 echo
224 while read line; do einfo "${line}"; done <<EOF 381 while read line; do einfo "${line}"; done <<EOF
225
226All site initialisation for Gentoo-installed packages is now added to 382All site initialisation for Gentoo-installed packages is added to
227/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
228managed by Gentoo. You are responsible for all maintenance of 384managed by Gentoo. You are responsible for all maintenance of
229site-start.el if there is such a file. 385site-start.el if there is such a file.
230 386
231In order for this site initialisation to be loaded for all users 387In order for this site initialisation to be loaded for all users
232automatically, as was done previously, you can add a line like this: 388automatically, you can add a line like this:
233 389
234 (load "/usr/share/emacs/site-lisp/site-gentoo" nil t) 390 (require 'site-gentoo)
235 391
236to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line 392to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line
237can be added by individual users to their initialisation files, or for 393can be added by individual users to their initialisation files, or,
238greater flexibility, users can select which of the package-specific 394for greater flexibility, users can load individual package-specific
239initialisation files in /usr/share/emacs/site-lisp to load. 395initialisation files from /usr/share/emacs/site-lisp/site-gentoo.d/.
240EOF 396EOF
241 echo 397 echo
242 fi 398 fi
243}
244 399
245# The following Emacs Lisp compilation routine was originally taken from 400 if [ "${obsolete}" ]; then
246# GNU 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
247 408
248elisp-comp() { 409 # Kludge for backwards compatibility: During pkg_postrm, old versions
249 # Copyright 1995 Free Software Foundation, Inc. 410 # of this eclass (saved in the VDB) won't find packages' site-init
250 # François Pinard <pinard@iro.umontreal.ca>, 1995. 411 # files in the new location. So we copy them to an auxiliary file
251 # This script byte-compiles all `.el' files which are part of its 412 # that is visible to old eclass versions.
252 # arguments, using GNU Emacs, and put the resulting `.elc' files into 413 for sf in "${sflist[@]}"; do
253 # the current directory, so disregarding the original directories used 414 [ "${sf%/*}" = "${ROOT}${SITELISP}/site-gentoo.d" ] \
254 # in `.el' arguments. 415 && cat "${sf}" >>"${ROOT}${SITELISP}"/00site-gentoo.el
255 # 416 done
256 # This script manages in such a way that all Emacs LISP files to
257 # be compiled are made visible between themselves, in the event
258 # they require or load-library one another.
259
260 test $# -gt 0 || return 1
261
262 if test -z "${EMACS}" || test "${EMACS}" = "t"; then
263 # Value of "t" means we are running in a shell under Emacs.
264 # Just assume Emacs is called "emacs".
265 EMACS=/usr/bin/emacs
266 fi 417 fi
267 einfo "Compiling GNU Emacs Elisp files ..."
268 418
269 tempdir=elc.$$ 419 # cleanup
270 mkdir ${tempdir} 420 rm -f "${tmpdir}"/site-{gentoo,start}.el
271 cp $* ${tempdir}
272 pushd ${tempdir}
273
274 echo "(add-to-list 'load-path \"../\")" > script
275 ${EMACS} -batch -q --no-site-file --no-init-file -l script \
276 -f batch-byte-compile *.el
277 local status=$?
278 mv *.elc ..
279
280 popd
281 rm -fr ${tempdir}
282 return ${status}
283} 421}

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