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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 1.48 2008/10/05 13:56:08 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# @ECLASS-VARIABLE: SITEETC
136# @DESCRIPTION:
137# Directory where packages install miscellaneous (not Lisp) files.
138SITEETC=/usr/share/emacs/etc
139
140# @ECLASS-VARIABLE: SITEFILE
141# @DESCRIPTION:
142# Name of package's site-init file.
135SITEFILE=50${PN}-gentoo.el 143SITEFILE=50${PN}-gentoo.el
144
145# @ECLASS-VARIABLE: EMACS
146# @DESCRIPTION:
147# Path of Emacs executable.
148EMACS=/usr/bin/emacs
149
150# @ECLASS-VARIABLE: EMACSFLAGS
151# @DESCRIPTION:
152# Flags for executing Emacs in batch mode.
153# These work for Emacs versions 18-23, so don't change them.
154EMACSFLAGS="-batch -q --no-site-file"
155
156# @ECLASS-VARIABLE: BYTECOMPFLAGS
157# @DESCRIPTION:
158# Emacs flags used for byte-compilation in elisp-compile().
159BYTECOMPFLAGS="-L ."
136 160
137# @FUNCTION: elisp-compile 161# @FUNCTION: elisp-compile
138# @USAGE: <list of elisp files> 162# @USAGE: <list of elisp files>
139# @DESCRIPTION: 163# @DESCRIPTION:
140# Byte-compile Emacs Lisp files. 164# Byte-compile Emacs Lisp files.
165#
166# This function uses GNU Emacs to byte-compile all ".el" specified by its
167# arguments. The resulting byte-code (".elc") files are placed in the same
168# directory as their corresponding source file.
169#
170# The current directory is added to the load-path. This will ensure that
171# interdependent Emacs Lisp files are visible between themselves, in case
172# they require or load one another.
141 173
142elisp-compile() { 174elisp-compile() {
143 einfo "Compiling GNU Emacs Elisp files ..." 175 ebegin "Compiling GNU Emacs Elisp files"
144 /usr/bin/emacs -batch -q --no-site-file -f batch-byte-compile $* 176 ${EMACS} ${EMACSFLAGS} ${BYTECOMPFLAGS} -f batch-byte-compile "$@"
177 eend $? "batch-byte-compile failed"
178}
179
180# #FUNCTION: elisp-comp
181# #USAGE: <list of elisp files>
182# #DESCRIPTION:
183# Byte-compile interdependent Emacs Lisp files.
184# THIS FUNCTION IS DEPRECATED.
185#
186# This function byte-compiles all ".el" files which are part of its
187# arguments, using GNU Emacs, and puts the resulting ".elc" files into the
188# current directory, so disregarding the original directories used in ".el"
189# arguments.
190#
191# This function manages in such a way that all Emacs Lisp files to be
192# compiled are made visible between themselves, in the event they require or
193# load one another.
194
195elisp-comp() {
196 # Copyright 1995 Free Software Foundation, Inc.
197 # François Pinard <pinard@iro.umontreal.ca>, 1995.
198 # Originally taken from GNU autotools.
199
200 ewarn "Function elisp-comp is deprecated and may be removed in future."
201 ewarn "Please use function elisp-compile instead, or report a bug about"
202 ewarn "${CATEGORY}/${PF} at <http://bugs.gentoo.org/>."
203 echo
204
205 [ $# -gt 0 ] || return 1
206
207 ebegin "Compiling GNU Emacs Elisp files"
208
209 local tempdir=elc.$$
210 mkdir ${tempdir}
211 cp "$@" ${tempdir}
212 pushd ${tempdir}
213
214 echo "(add-to-list 'load-path \"../\")" > script
215 ${EMACS} ${EMACSFLAGS} -l script -f batch-byte-compile *.el
216 local ret=$?
217 mv *.elc ..
218
219 popd
220 rm -fr ${tempdir}
221
222 eend ${ret} "batch-byte-compile failed"
223 return ${ret}
145} 224}
146 225
147# @FUNCTION: elisp-emacs-version 226# @FUNCTION: elisp-emacs-version
148# @DESCRIPTION: 227# @DESCRIPTION:
149# Output version of currently active Emacs. 228# Output version of currently active Emacs.
150 229
151elisp-emacs-version() { 230elisp-emacs-version() {
152 # The following will work for at least versions 18-22. 231 # The following will work for at least versions 18-23.
153 echo "(princ emacs-version)" >"${T}"/emacs-version.el 232 echo "(princ emacs-version)" >"${T}"/emacs-version.el
154 /usr/bin/emacs -batch -q --no-site-file -l "${T}"/emacs-version.el 233 ${EMACS} ${EMACSFLAGS} -l "${T}"/emacs-version.el
234 rm -f "${T}"/emacs-version.el
155} 235}
156 236
157# @FUNCTION: elisp-make-autoload-file 237# @FUNCTION: elisp-make-autoload-file
158# @USAGE: [output file] [list of directories] 238# @USAGE: [output file] [list of directories]
159# @DESCRIPTION: 239# @DESCRIPTION:
160# Generate a file with autoload definitions for the lisp functions. 240# Generate a file with autoload definitions for the lisp functions.
161 241
162elisp-make-autoload-file () { 242elisp-make-autoload-file() {
163 local f="${1:-${PN}-autoloads.el}" 243 local f="${1:-${PN}-autoloads.el}"
164 shift 244 shift
165 einfo "Generating autoload file for GNU Emacs ..." 245 ebegin "Generating autoload file for GNU Emacs"
166 246
167 sed 's/^FF/\f/' >"${f}" <<-EOF 247 sed 's/^FF/\f/' >"${f}" <<-EOF
168 ;;; ${f##*/} --- autoloads for ${P} 248 ;;; ${f##*/} --- autoloads for ${P}
169 249
170 ;;; Commentary: 250 ;;; Commentary:
179 ;; no-update-autoloads: t 259 ;; no-update-autoloads: t
180 ;; End: 260 ;; End:
181 ;;; ${f##*/} ends here 261 ;;; ${f##*/} ends here
182 EOF 262 EOF
183 263
184 /usr/bin/emacs -batch -q --no-site-file \ 264 ${EMACS} ${EMACSFLAGS} \
185 --eval "(setq make-backup-files nil)" \ 265 --eval "(setq make-backup-files nil)" \
186 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \ 266 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \
187 -f batch-update-autoloads "${@-.}" 267 -f batch-update-autoloads "${@-.}"
268
269 eend $? "batch-update-autoloads failed"
188} 270}
189 271
190# @FUNCTION: elisp-install 272# @FUNCTION: elisp-install
191# @USAGE: <subdirectory> <list of files> 273# @USAGE: <subdirectory> <list of files>
192# @DESCRIPTION: 274# @DESCRIPTION:
193# Install files in SITELISP directory. 275# Install files in SITELISP directory.
194 276
195elisp-install() { 277elisp-install() {
196 local subdir=$1 278 local subdir="$1"
197 einfo "Installing Elisp files for GNU Emacs support ..."
198 dodir "${SITELISP}/${subdir}"
199 insinto "${SITELISP}/${subdir}"
200 shift 279 shift
280 ebegin "Installing Elisp files for GNU Emacs support"
281 ( # subshell to avoid pollution of calling environment
282 insinto "${SITELISP}/${subdir}"
201 doins $@ 283 doins "$@"
284 )
285 eend $? "doins failed"
202} 286}
203 287
204# @FUNCTION: elisp-site-file-install 288# @FUNCTION: elisp-site-file-install
205# @USAGE: <site-init file> [subdirectory] 289# @USAGE: <site-init file> [subdirectory]
206# @DESCRIPTION: 290# @DESCRIPTION:
207# Install Emacs site-init file in SITELISP directory. 291# Install Emacs site-init file in SITELISP directory.
208 292
209elisp-site-file-install() { 293elisp-site-file-install() {
210 local sitefile=$1 my_pn=${2:-${PN}} 294 local sf="${T}/${1##*/}" my_pn="${2:-${PN}}" ret
211 einfo "Installing site initialisation file for GNU Emacs ..." 295 ebegin "Installing site initialisation file for GNU Emacs"
212 pushd "${S}" 296 cp "$1" "${sf}"
213 cp ${sitefile} "${T}" 297 sed -i -e "s:@SITELISP@:${SITELISP}/${my_pn}:g" \
214 sed -i "s:@SITELISP@:${SITELISP}/${my_pn}:g" "${T}/$(basename ${sitefile})" 298 -e "s:@SITEETC@:${SITEETC}/${my_pn}:g" "${sf}"
215 insinto ${SITELISP} 299 ( # subshell to avoid pollution of calling environment
216 doins "${T}/$(basename ${sitefile})" || die "failed to install site file" 300 insinto "${SITELISP}/site-gentoo.d"
217 popd 301 doins "${sf}"
302 )
303 ret=$?
304 rm -f "${sf}"
305 eend ${ret} "doins failed"
218} 306}
219 307
220# @FUNCTION: elisp-site-regen 308# @FUNCTION: elisp-site-regen
221# @DESCRIPTION: 309# @DESCRIPTION:
222# Regenerate site-gentoo.el file. 310# Regenerate the site-gentoo.el file, based on packages' site initialisation
311# files in the /usr/share/emacs/site-lisp/site-gentoo.d/ directory.
312#
313# Note: Before December 2007, site initialisation files were installed in
314# /usr/share/emacs/site-lisp/. For backwards compatibility, this location is
315# still supported when generating site-gentoo.el.
223 316
224elisp-site-regen() { 317elisp-site-regen() {
225 local sflist sf line 318 local i sf line firstrun obsolete
319 local -a sflist
320 # Work around Paludis borkage: variable T is empty in pkg_postrm
321 local tmpdir=${T:-$(mktemp -d)}
322
323 if [ ! -d "${ROOT}${SITELISP}" ]; then
324 eerror "Directory ${SITELISP} does not exist"
325 return 1
326 fi
327
328 [ -e "${ROOT}${SITELISP}"/site-gentoo.el ] || firstrun=t
329
330 if [ "${firstrun}" ] && [ ! -e "${ROOT}${SITELISP}"/site-start.el ]; then
331 einfo "Creating default ${SITELISP}/site-start.el ..."
332 cat <<-EOF >"${tmpdir}"/site-start.el
333 ;;; site-start.el
334
335 ;;; Commentary:
336 ;; This default site startup file is installed by elisp-common.eclass.
337 ;; You may replace this file by your own site initialisation, or even
338 ;; remove it completely; it will not be recreated.
339
340 ;;; Code:
341 ;; Load site initialisation for Gentoo-installed packages.
342 (require 'site-gentoo)
343
344 ;;; site-start.el ends here
345 EOF
346 fi
226 347
227 einfon "Regenerating ${SITELISP}/site-gentoo.el ..." 348 einfon "Regenerating ${SITELISP}/site-gentoo.el ..."
349
350 # remove any auxiliary file (from previous run)
351 rm -f "${ROOT}${SITELISP}"/00site-gentoo.el
352
353 # set nullglob option, there may be a directory without matching files
354 local old_shopts=$(shopt -p nullglob)
355 shopt -s nullglob
356
357 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el \
358 "${ROOT}${SITELISP}"/site-gentoo.d/[0-9][0-9]*.el
359 do
360 [ -r "${sf}" ] || continue
361 # sort files by their basename. straight insertion sort.
362 for ((i=${#sflist[@]}; i>0; i--)); do
363 [[ ${sf##*/} < ${sflist[i-1]##*/} ]] || break
364 sflist[i]=${sflist[i-1]}
365 done
366 sflist[i]=${sf}
367 # set a flag if there are obsolete files
368 [ "${sf%/*}" = "${ROOT}${SITELISP}" ] && obsolete=t
369 done
370
371 eval "${old_shopts}"
372
228 cat <<-EOF >"${T}"/site-gentoo.el 373 cat <<-EOF >"${tmpdir}"/site-gentoo.el
229 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages 374 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages
230 375
231 ;;; Commentary: 376 ;;; Commentary:
232 ;; Automatically generated by elisp-common.eclass 377 ;; Automatically generated by elisp-common.eclass
233 ;; DO NOT EDIT THIS FILE 378 ;; DO NOT EDIT THIS FILE
234 379
235 ;;; Code: 380 ;;; Code:
236 EOF 381 EOF
237 382 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 383 cat <<-EOF >>"${tmpdir}"/site-gentoo.el
246 384
385 (provide 'site-gentoo)
386
387 ;; Local Variables:
388 ;; no-byte-compile: t
389 ;; End:
247 ;;; site-gentoo.el ends here 390 ;;; site-gentoo.el ends here
248 EOF 391 EOF
249 392
250 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${T}"/site-gentoo.el; then 393 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${tmpdir}"/site-gentoo.el
394 then
251 # This prevents outputting unnecessary text when there 395 # This prevents outputting unnecessary text when there
252 # was actually no change 396 # was actually no change.
253 # A case is a remerge where we have doubled output 397 # A case is a remerge where we have doubled output.
254 echo " no changes." 398 echo " no changes."
255 else 399 else
256 mv "${T}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el 400 mv "${tmpdir}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el
257 echo; einfo 401 [ -f "${tmpdir}"/site-start.el ] \
258 for sf in ${sflist}; do 402 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ] \
259 einfo " Adding ${sf} ..." 403 && mv "${tmpdir}"/site-start.el "${ROOT}${SITELISP}"/site-start.el
260 done 404 echo
405 einfo "... ${#sflist[@]} site initialisation file(s) included."
406 fi
407
408 if [ "${firstrun}" ]; then
409 echo
261 while read line; do einfo "${line}"; done <<EOF 410 while read line; do einfo "${line:- }"; done <<-EOF
262
263All site initialisation for Gentoo-installed packages is added to 411 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 412 /usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is not
265managed by Gentoo. You are responsible for all maintenance of 413 managed by Gentoo. You are responsible for all maintenance of
266site-start.el if there is such a file. 414 site-start.el if there is such a file.
267 415
268In order for this site initialisation to be loaded for all users 416 In order for this site initialisation to be loaded for all users
269automatically, you can add a line like this: 417 automatically, you can add a line like this:
270 418
271 (load "/usr/share/emacs/site-lisp/site-gentoo" nil t) 419 (require 'site-gentoo)
272 420
273to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line 421 to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line
274can be added by individual users to their initialisation files, or for 422 can be added by individual users to their initialisation files, or,
275greater flexibility, users can select which of the package-specific 423 for greater flexibility, users can load individual package-specific
276initialisation files in /usr/share/emacs/site-lisp to load. 424 initialisation files from /usr/share/emacs/site-lisp/site-gentoo.d/.
277EOF 425 EOF
278 echo 426 echo
279 fi 427 fi
280}
281 428
282# @FUNCTION: elisp-comp 429 if [ "${obsolete}" ]; then
283# @USAGE: <list of elisp files> 430 echo
284# @DESCRIPTION: 431 while read line; do ewarn "${line}"; done <<-EOF
285# Byte-compile interdependent Emacs Lisp files. 432 Site-initialisation files of Emacs packages are now installed in
286# Originally taken from GNU autotools. 433 /usr/share/emacs/site-lisp/site-gentoo.d/. We strongly recommend
434 that you use app-admin/emacs-updater to rebuild the installed
435 Emacs packages.
436 EOF
287 437
288elisp-comp() { 438 # Kludge for backwards compatibility: During pkg_postrm, old versions
289 # Copyright 1995 Free Software Foundation, Inc. 439 # of this eclass (saved in the VDB) won't find packages' site-init
290 # François Pinard <pinard@iro.umontreal.ca>, 1995. 440 # 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 441 # that is visible to old eclass versions.
292 # arguments, using GNU Emacs, and put the resulting `.elc' files into 442 for sf in "${sflist[@]}"; do
293 # the current directory, so disregarding the original directories used 443 [ "${sf%/*}" = "${ROOT}${SITELISP}/site-gentoo.d" ] \
294 # in `.el' arguments. 444 && cat "${sf}" >>"${ROOT}${SITELISP}"/00site-gentoo.el
295 # 445 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 446 fi
307 einfo "Compiling GNU Emacs Elisp files ..."
308 447
309 tempdir=elc.$$ 448 # cleanup
310 mkdir ${tempdir} 449 rm -f "${tmpdir}"/site-{gentoo,start}.el
311 cp $* ${tempdir}
312 pushd ${tempdir}
313 450
314 echo "(add-to-list 'load-path \"../\")" > script 451 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} 452}

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