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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 1.25 2007/07/25 04:46:01 ulm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/elisp-common.eclass,v 1.45 2008/09/01 10:45:26 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
22# package (especially compilation), so this is mainly for standalone elisp 22# package (especially compilation), so this is mainly for standalone elisp
23# files you gathered from somewhere else. 23# files you gathered from somewhere else.
24# 24#
25# When relying on the emacs USE flag, you need to add 25# When relying on the emacs USE flag, you need to add
26# 26#
27# emacs? ( virtual/emacs ) 27# emacs? ( virtual/emacs )
28# 28#
29# 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
30# the files to the correct locations. 30# the files to the correct locations.
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# elisp files is also supported, since the current directory is added to the
38# load-path which makes sure that all files are loadable.
37# 39#
38# elisp-compile *.el || die "elisp-compile failed" 40# elisp-compile *.el || die "elisp-compile failed"
39# 41#
40# In the case of interdependent elisp files, you can use the elisp-comp() 42# Formerly, function elisp-comp() was used for compilation of interdependent
41# function which makes sure all files are loadable. 43# elisp files. This usage is considered as obsolete.
42#
43# elisp-comp *.el || die "elisp-comp failed"
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 "elisp-install failed"
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:
68# 68#
69# .nf
70# ;;; csv-mode site-lisp configuration 69# ;;; csv-mode site-lisp configuration
71# 70#
72# (add-to-list 'load-path "@SITELISP@") 71# (add-to-list 'load-path "@SITELISP@")
73# (add-to-list 'auto-mode-alist '("\\.csv\\'" . csv-mode)) 72# (add-to-list 'auto-mode-alist '("\\.csv\\'" . csv-mode))
74# (autoload 'csv-mode "csv-mode" "Major mode for csv files." t) 73# (autoload 'csv-mode "csv-mode" "Major mode for csv files." t)
75# .fi
76# 74#
77# If your Emacs support files are installed in a subdirectory of 75# If your Emacs support files are installed in a subdirectory of
78# /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
79# installed), you need to extend Emacs' load-path as shown in the first 77# Emacs' load-path as shown in the first non-comment.
80# non-comment. The elisp-site-file-install() function of this eclass will 78# The elisp-site-file-install() function of this eclass will replace
81# replace "@SITELISP@" by the actual path. 79# "@SITELISP@" by the actual path.
82# 80#
83# 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
84# ".csv" and load functions depending on the context and needed features. 82# ".csv" and load functions depending on the context and needed features.
85# Be careful though. Commands as "load-library" or "require" bloat the 83# Be careful though. Commands as "load-library" or "require" bloat the
86# 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
93# another Emacs package, your site file's number must be higher! 91# another Emacs package, your site file's number must be higher!
94# 92#
95# 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
96# ebuild (right after DEPEND e.g.): 94# ebuild (right after DEPEND e.g.):
97# 95#
98# SITEFILE=50${PN}-gentoo.el 96# SITEFILE=50${PN}-gentoo.el
99# 97#
100# Which is then installed by 98# Which is then installed by
101# 99#
102# elisp-site-file-install "${FILESDIR}/${SITEFILE}" 100# elisp-site-file-install "${FILESDIR}/${SITEFILE}" || die
103# 101#
104# in src_install(). If your subdirectory is not named ${PN}, give the 102# in src_install(). If your subdirectory is not named ${PN}, give the
105# differing name as second argument. 103# differing name as second argument.
106# 104#
107# .SS 105# .SS
108# pkg_postinst() / pkg_postrm() usage: 106# pkg_postinst() / pkg_postrm() usage:
109# 107#
110# After that you need to recreate the start-up file of Emacs after emerging 108# After that you need to recreate the start-up file of Emacs after emerging
111# and unmerging by using 109# and unmerging by using
112# 110#
113# .nf
114# pkg_postinst() { 111# pkg_postinst() {
115# elisp-site-regen 112# elisp-site-regen
116# } 113# }
117# 114#
118# pkg_postrm() { 115# pkg_postrm() {
119# elisp-site-regen 116# elisp-site-regen
120# } 117# }
121# .fi
122# 118#
123# When having optional Emacs support, you should prepend "use emacs &&" to 119# When having optional Emacs support, you should prepend "use emacs &&" to
124# above calls of elisp-site-regen(). Don't use "has_version virtual/emacs"! 120# above calls of elisp-site-regen(). Don't use "has_version virtual/emacs"!
125# When unmerging the state of the emacs USE flag is taken from the package 121# When unmerging the state of the emacs USE flag is taken from the package
126# database and not from the environment, so it is no problem when you unset 122# database and not from the environment, so it is no problem when you unset
129# .SS 125# .SS
130# Miscellaneous functions: 126# Miscellaneous functions:
131# 127#
132# elisp-emacs-version() outputs the version of the currently active Emacs. 128# elisp-emacs-version() outputs the version of the currently active Emacs.
133 129
130# @ECLASS-VARIABLE: SITELISP
131# @DESCRIPTION:
132# Directory where packages install Emacs Lisp files.
134SITELISP=/usr/share/emacs/site-lisp 133SITELISP=/usr/share/emacs/site-lisp
134
135# Directory where packages install miscellaneous (not Lisp) files.
136SITEETC=/usr/share/emacs/etc
137
138# @ECLASS-VARIABLE: SITEFILE
139# @DESCRIPTION:
140# Name of package's site-init file.
135SITEFILE=50${PN}-gentoo.el 141SITEFILE=50${PN}-gentoo.el
142
143# @ECLASS-VARIABLE: EMACS
144# @DESCRIPTION:
145# Path of Emacs executable.
146EMACS=/usr/bin/emacs
147
148# @ECLASS-VARIABLE: EMACSFLAGS
149# @DESCRIPTION:
150# Flags for executing Emacs in batch mode.
151# These work for Emacs versions 18-23, so don't change them.
152EMACSFLAGS="-batch -q --no-site-file"
153
154# @ECLASS-VARIABLE: BYTECOMPFLAGS
155# @DESCRIPTION:
156# Emacs flags used for byte-compilation in elisp-compile().
157BYTECOMPFLAGS="-L ."
136 158
137# @FUNCTION: elisp-compile 159# @FUNCTION: elisp-compile
138# @USAGE: <list of elisp files> 160# @USAGE: <list of elisp files>
139# @DESCRIPTION: 161# @DESCRIPTION:
140# Byte-compile Emacs Lisp files. 162# Byte-compile Emacs Lisp files.
163#
164# This function uses GNU Emacs to byte-compile all ".el" specified by its
165# arguments. The resulting byte-code (".elc") files are placed in the same
166# directory as their corresponding source file.
167#
168# The current directory is added to the load-path. This will ensure that
169# interdependent Emacs Lisp files are visible between themselves, in case
170# they require or load one another.
141 171
142elisp-compile() { 172elisp-compile() {
143 einfo "Compiling GNU Emacs Elisp files ..." 173 ebegin "Compiling GNU Emacs Elisp files"
144 /usr/bin/emacs -batch -q --no-site-file -f batch-byte-compile $* 174 ${EMACS} ${EMACSFLAGS} ${BYTECOMPFLAGS} -f batch-byte-compile "$@"
175 eend $? "batch-byte-compile failed"
176}
177
178# #FUNCTION: elisp-comp
179# #USAGE: <list of elisp files>
180# #DESCRIPTION:
181# Byte-compile interdependent Emacs Lisp files.
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 [ $# -gt 0 ] || return 1
198
199 ebegin "Compiling GNU Emacs Elisp files"
200
201 local tempdir=elc.$$
202 mkdir ${tempdir}
203 cp "$@" ${tempdir}
204 pushd ${tempdir}
205
206 echo "(add-to-list 'load-path \"../\")" > script
207 ${EMACS} ${EMACSFLAGS} -l script -f batch-byte-compile *.el
208 local ret=$?
209 mv *.elc ..
210
211 popd
212 rm -fr ${tempdir}
213
214 eend ${ret} "batch-byte-compile failed"
215 return ${ret}
145} 216}
146 217
147# @FUNCTION: elisp-emacs-version 218# @FUNCTION: elisp-emacs-version
148# @DESCRIPTION: 219# @DESCRIPTION:
149# Output version of currently active Emacs. 220# Output version of currently active Emacs.
150 221
151elisp-emacs-version() { 222elisp-emacs-version() {
152 # The following will work for at least versions 18-22. 223 # The following will work for at least versions 18-23.
153 echo "(princ emacs-version)" >"${T}"/emacs-version.el 224 echo "(princ emacs-version)" >"${T}"/emacs-version.el
154 /usr/bin/emacs -batch -q --no-site-file -l "${T}"/emacs-version.el 225 ${EMACS} ${EMACSFLAGS} -l "${T}"/emacs-version.el
226 rm -f "${T}"/emacs-version.el
155} 227}
156 228
157# @FUNCTION: elisp-make-autoload-file 229# @FUNCTION: elisp-make-autoload-file
158# @USAGE: [output file] [list of directories] 230# @USAGE: [output file] [list of directories]
159# @DESCRIPTION: 231# @DESCRIPTION:
160# Generate a file with autoload definitions for the lisp functions. 232# Generate a file with autoload definitions for the lisp functions.
161 233
162elisp-make-autoload-file () { 234elisp-make-autoload-file() {
163 local f="${1:-${PN}-autoloads.el}" 235 local f="${1:-${PN}-autoloads.el}"
164 shift 236 shift
165 einfo "Generating autoload file for GNU Emacs ..." 237 ebegin "Generating autoload file for GNU Emacs"
166 238
167 sed 's/^FF/\f/' >"${f}" <<-EOF 239 sed 's/^FF/\f/' >"${f}" <<-EOF
168 ;;; ${f##*/} --- autoloads for ${P} 240 ;;; ${f##*/} --- autoloads for ${P}
169 241
170 ;;; Commentary: 242 ;;; Commentary:
179 ;; no-update-autoloads: t 251 ;; no-update-autoloads: t
180 ;; End: 252 ;; End:
181 ;;; ${f##*/} ends here 253 ;;; ${f##*/} ends here
182 EOF 254 EOF
183 255
184 /usr/bin/emacs -batch -q --no-site-file \ 256 ${EMACS} ${EMACSFLAGS} \
185 --eval "(setq make-backup-files nil)" \ 257 --eval "(setq make-backup-files nil)" \
186 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \ 258 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \
187 -f batch-update-autoloads "${@-.}" 259 -f batch-update-autoloads "${@-.}"
260
261 eend $? "batch-update-autoloads failed"
188} 262}
189 263
190# @FUNCTION: elisp-install 264# @FUNCTION: elisp-install
191# @USAGE: <subdirectory> <list of files> 265# @USAGE: <subdirectory> <list of files>
192# @DESCRIPTION: 266# @DESCRIPTION:
193# Install files in SITELISP directory. 267# Install files in SITELISP directory.
194 268
195elisp-install() { 269elisp-install() {
196 local subdir=$1 270 local subdir="$1"
197 einfo "Installing Elisp files for GNU Emacs support ..."
198 dodir "${SITELISP}/${subdir}"
199 insinto "${SITELISP}/${subdir}"
200 shift 271 shift
272 ebegin "Installing Elisp files for GNU Emacs support"
273 ( # subshell to avoid pollution of calling environment
274 insinto "${SITELISP}/${subdir}"
201 doins $@ 275 doins "$@"
276 )
277 eend $? "doins failed"
202} 278}
203 279
204# @FUNCTION: elisp-site-file-install 280# @FUNCTION: elisp-site-file-install
205# @USAGE: <site-init file> [subdirectory] 281# @USAGE: <site-init file> [subdirectory]
206# @DESCRIPTION: 282# @DESCRIPTION:
207# Install Emacs site-init file in SITELISP directory. 283# Install Emacs site-init file in SITELISP directory.
208 284
209elisp-site-file-install() { 285elisp-site-file-install() {
210 local sitefile=$1 my_pn=${2:-${PN}} 286 local sf="${T}/${1##*/}" my_pn="${2:-${PN}}" ret
211 einfo "Installing site initialisation file for GNU Emacs ..." 287 ebegin "Installing site initialisation file for GNU Emacs"
212 pushd "${S}" 288 cp "$1" "${sf}"
213 cp ${sitefile} "${T}" 289 sed -i -e "s:@SITELISP@:${SITELISP}/${my_pn}:g" \
214 sed -i "s:@SITELISP@:${SITELISP}/${my_pn}:g" "${T}/$(basename ${sitefile})" 290 -e "s:@SITEETC@:${SITEETC}/${my_pn}:g" "${sf}"
215 insinto ${SITELISP} 291 ( # subshell to avoid pollution of calling environment
216 doins "${T}/$(basename ${sitefile})" || die "failed to install site file" 292 insinto "${SITELISP}/site-gentoo.d"
217 popd 293 doins "${sf}"
294 )
295 ret=$?
296 rm -f "${sf}"
297 eend ${ret} "doins failed"
218} 298}
219 299
220# @FUNCTION: elisp-site-regen 300# @FUNCTION: elisp-site-regen
221# @DESCRIPTION: 301# @DESCRIPTION:
222# Regenerate site-gentoo.el file. 302# Regenerate site-gentoo.el file. The old location for site initialisation
303# files of packages was /usr/share/emacs/site-lisp/. In December 2007 this
304# has been changed to /usr/share/emacs/site-lisp/site-gentoo.d/. Remerge of
305# packages with Emacs support is enough, the old location is still supported
306# when generating the start-up file.
223 307
224elisp-site-regen() { 308elisp-site-regen() {
225 local sflist sf line 309 local i sf line obsolete
310 local -a sflist
311 # Work around Paludis borkage: variable T is empty in pkg_postrm
312 local tmpdir=${T:-$(mktemp -d)}
313
314 if [ ! -d "${ROOT}${SITELISP}" ]; then
315 eerror "Directory ${SITELISP} does not exist"
316 return 1
317 fi
318
319 if [ ! -e "${ROOT}${SITELISP}"/site-gentoo.el ] \
320 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ]; then
321 einfo "Creating default ${SITELISP}/site-start.el ..."
322 cat <<-EOF >"${tmpdir}"/site-start.el
323 ;;; site-start.el
324
325 ;;; Commentary:
326 ;; This default site startup file is installed by elisp-common.eclass.
327 ;; You may replace this file by your own site initialisation, or even
328 ;; remove it completely; it will not be recreated.
329
330 ;;; Code:
331 ;; Load site initialisation for Gentoo-installed packages.
332 (require 'site-gentoo)
333
334 ;;; site-start.el ends here
335 EOF
336 fi
226 337
227 einfon "Regenerating ${SITELISP}/site-gentoo.el ..." 338 einfon "Regenerating ${SITELISP}/site-gentoo.el ..."
339
340 # remove any auxiliary file (from previous run)
341 rm -f "${ROOT}${SITELISP}"/00site-gentoo.el
342
343 # set nullglob option, there may be a directory without matching files
344 local old_shopts=$(shopt -p nullglob)
345 shopt -s nullglob
346
347 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el \
348 "${ROOT}${SITELISP}"/site-gentoo.d/[0-9][0-9]*.el
349 do
350 [ -r "${sf}" ] || continue
351 # sort files by their basename. straight insertion sort.
352 for ((i=${#sflist[@]}; i>0; i--)); do
353 [[ ${sf##*/} < ${sflist[i-1]##*/} ]] || break
354 sflist[i]=${sflist[i-1]}
355 done
356 sflist[i]=${sf}
357 # set a flag if there are obsolete files
358 [ "${sf%/*}" = "${ROOT}${SITELISP}" ] && obsolete=t
359 done
360
361 eval "${old_shopts}"
362
228 cat <<-EOF >"${T}"/site-gentoo.el 363 cat <<-EOF >"${tmpdir}"/site-gentoo.el
229 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages 364 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages
230 365
231 ;;; Commentary: 366 ;;; Commentary:
232 ;; Automatically generated by elisp-common.eclass 367 ;; Automatically generated by elisp-common.eclass
233 ;; DO NOT EDIT THIS FILE 368 ;; DO NOT EDIT THIS FILE
234 369
235 ;;; Code: 370 ;;; Code:
236 EOF 371 EOF
237 372 cat "${sflist[@]}" </dev/null >>"${tmpdir}"/site-gentoo.el
238 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el
239 do
240 [ -r "${sf}" ] || continue
241 sflist="${sflist} $(basename "${sf}")"
242 cat "${sf}" >>"${T}"/site-gentoo.el
243 done
244
245 cat <<-EOF >>"${T}"/site-gentoo.el 373 cat <<-EOF >>"${tmpdir}"/site-gentoo.el
246 374
375 (provide 'site-gentoo)
376
377 ;; Local Variables:
378 ;; no-byte-compile: t
379 ;; End:
247 ;;; site-gentoo.el ends here 380 ;;; site-gentoo.el ends here
248 EOF 381 EOF
249 382
250 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${T}"/site-gentoo.el; then 383 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${tmpdir}"/site-gentoo.el
384 then
251 # This prevents outputting unnecessary text when there 385 # This prevents outputting unnecessary text when there
252 # was actually no change 386 # was actually no change.
253 # A case is a remerge where we have doubled output 387 # A case is a remerge where we have doubled output.
254 echo " no changes." 388 echo " no changes."
255 else 389 else
256 mv "${T}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el 390 mv "${tmpdir}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el
391 [ -f "${tmpdir}"/site-start.el ] \
392 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ] \
393 && mv "${tmpdir}"/site-start.el "${ROOT}${SITELISP}"/site-start.el
257 echo; einfo 394 echo; einfo
258 for sf in ${sflist}; do 395 for sf in "${sflist[@]##*/}"; do
259 einfo " Adding ${sf} ..." 396 einfo " Adding ${sf} ..."
260 done 397 done
398 einfo "Regenerated ${SITELISP}/site-gentoo.el."
399
400 echo
261 while read line; do einfo "${line}"; done <<EOF 401 while read line; do einfo "${line:- }"; done <<-EOF
262
263All site initialisation for Gentoo-installed packages is added to 402 All site initialisation for Gentoo-installed packages is added to
264/usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is no longer 403 /usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is not
265managed by Gentoo. You are responsible for all maintenance of 404 managed by Gentoo. You are responsible for all maintenance of
266site-start.el if there is such a file. 405 site-start.el if there is such a file.
267 406
268In order for this site initialisation to be loaded for all users 407 In order for this site initialisation to be loaded for all users
269automatically, you can add a line like this: 408 automatically, you can add a line like this:
270 409
271 (load "/usr/share/emacs/site-lisp/site-gentoo" nil t) 410 (require 'site-gentoo)
272 411
273to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line 412 to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line
274can be added by individual users to their initialisation files, or for 413 can be added by individual users to their initialisation files, or,
275greater flexibility, users can select which of the package-specific 414 for greater flexibility, users can load individual package-specific
276initialisation files in /usr/share/emacs/site-lisp to load. 415 initialisation files from /usr/share/emacs/site-lisp/site-gentoo.d/.
277EOF 416 EOF
278 echo 417 echo
279 fi 418 fi
280}
281 419
282# @FUNCTION: elisp-comp 420 if [ "${obsolete}" ]; then
283# @USAGE: <list of elisp files> 421 while read line; do ewarn "${line}"; done <<-EOF
284# @DESCRIPTION: 422 Site-initialisation files of Emacs packages are now installed in
285# Byte-compile interdependent Emacs Lisp files. 423 /usr/share/emacs/site-lisp/site-gentoo.d/. We strongly recommend
286# Originally taken from GNU autotools. 424 that you use /usr/sbin/emacs-updater to rebuild the installed
425 Emacs packages.
426 EOF
427 echo
287 428
288elisp-comp() { 429 # Kludge for backwards compatibility: During pkg_postrm, old versions
289 # Copyright 1995 Free Software Foundation, Inc. 430 # of this eclass (saved in the VDB) won't find packages' site-init
290 # François Pinard <pinard@iro.umontreal.ca>, 1995. 431 # files in the new location. So we copy them to an auxiliary file
291 # This script byte-compiles all `.el' files which are part of its 432 # that is visible to old eclass versions.
292 # arguments, using GNU Emacs, and put the resulting `.elc' files into 433 for sf in "${sflist[@]}"; do
293 # the current directory, so disregarding the original directories used 434 [ "${sf%/*}" = "${ROOT}${SITELISP}/site-gentoo.d" ] \
294 # in `.el' arguments. 435 && cat "${sf}" >>"${ROOT}${SITELISP}"/00site-gentoo.el
295 # 436 done
296 # This script manages in such a way that all Emacs LISP files to
297 # be compiled are made visible between themselves, in the event
298 # they require or load-library one another.
299
300 test $# -gt 0 || return 1
301
302 if test -z "${EMACS}" || test "${EMACS}" = "t"; then
303 # Value of "t" means we are running in a shell under Emacs.
304 # Just assume Emacs is called "emacs".
305 EMACS=/usr/bin/emacs
306 fi 437 fi
307 einfo "Compiling GNU Emacs Elisp files ..."
308 438
309 tempdir=elc.$$ 439 # cleanup
310 mkdir ${tempdir} 440 rm -f "${tmpdir}"/site-{gentoo,start}.el
311 cp $* ${tempdir}
312 pushd ${tempdir}
313 441
314 echo "(add-to-list 'load-path \"../\")" > script 442 return 0
315 ${EMACS} -batch -q --no-site-file --no-init-file -l script \
316 -f batch-byte-compile *.el
317 local status=$?
318 mv *.elc ..
319
320 popd
321 rm -fr ${tempdir}
322 return ${status}
323} 443}

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