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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 1.20 2007/04/29 12:59:39 ulm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/elisp-common.eclass,v 1.46 2008/09/19 08:12:48 ulm Exp $
4# 4#
5# Copyright 2007 Christian Faulhammer <opfer@gentoo.org>
6# Copyright 2002-2007 Matthew Kennedy <mkennedy@gentoo.org> 5# Copyright 2002-2004 Matthew Kennedy <mkennedy@gentoo.org>
7# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com> 6# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com>
7# Copyright 2004-2005 Mamoru Komachi <usata@gentoo.org>
8# Copyright 2007-2008 Christian Faulhammer <opfer@gentoo.org>
8# Copyright 2007 Ulrich Mueller <ulm@gentoo.org> 9# Copyright 2007-2008 Ulrich Müller <ulm@gentoo.org>
9# 10#
10# This is not a real eclass, but it does provide Emacs-related installation 11# @ECLASS: elisp-common.eclass
11# utilities. 12# @MAINTAINER:
12# 13# Feel free to contact the Emacs team through <emacs@gentoo.org> if you have
13# USAGE: 14# problems, suggestions or questions.
15# @BLURB: Emacs-related installation utilities
16# @DESCRIPTION:
14# 17#
15# Usually you want to use this eclass for (optional) GNU Emacs support of 18# Usually you want to use this eclass for (optional) GNU Emacs support of
16# your package. This is NOT for XEmacs! 19# your package. This is NOT for XEmacs!
20#
17# Many of the steps here are sometimes done by the build system of your 21# Many of the steps here are sometimes done by the build system of your
18# package (especially compilation), so this is mainly for standalone elisp 22# package (especially compilation), so this is mainly for standalone elisp
19# files you gathered from somewhere else. 23# files you gathered from somewhere else.
24#
20# When relying on the emacs USE flag, you need to add 25# When relying on the emacs USE flag, you need to add
21# 26#
22# emacs? ( virtual/emacs ) 27# emacs? ( virtual/emacs )
23# 28#
24# to your DEPEND/RDEPEND line and use the functions provided here to bring 29# to your DEPEND/RDEPEND line and use the functions provided here to bring
25# the files to the correct locations. 30# the files to the correct locations.
26# 31#
32# .SS
27# src_compile() usage: 33# src_compile() usage:
28# --------------------
29# 34#
30# An elisp file is compiled by the elisp-compile() function defined here and 35# An elisp file is compiled by the elisp-compile() function defined here and
31# simply takes the source files as arguments. In the case of interdependent 36# simply takes the source files as arguments. The case of interdependent
32# elisp files, you can use the elisp-comp() function which makes sure all 37# elisp files is also supported, since the current directory is added to the
33# files are loadable. 38# load-path which makes sure that all files are loadable.
34# 39#
35# elisp-compile *.el || die "elisp-compile failed!" 40# elisp-compile *.el || die "elisp-compile failed"
36# or
37# elisp-comp *.el || die "elisp-comp failed!"
38# 41#
42# Formerly, function elisp-comp() was used for compilation of interdependent
43# elisp files. This usage is considered as obsolete.
44#
39# Function elisp-make-autoload-file() can be used to generate a file with 45# Function elisp-make-autoload-file() can be used to generate a file with
40# autoload definitions for the lisp functions. It takes the output file name 46# autoload definitions for the lisp functions. It takes the output file name
41# (default: "${PN}-autoloads.el") and a list of directories (default: working 47# (default: "${PN}-autoloads.el") and a list of directories (default: working
42# directory) as its arguments. Use of this function requires that the elisp 48# directory) as its arguments. Use of this function requires that the elisp
43# source files contain magic ";;;###autoload" comments. See the Emacs Lisp 49# source files contain magic ";;;###autoload" comments. See the Emacs Lisp
44# Reference Manual (node "Autoload") for a detailed explanation. 50# Reference Manual (node "Autoload") for a detailed explanation.
45# 51#
52# .SS
46# src_install() usage: 53# src_install() usage:
47# --------------------
48# 54#
49# The resulting compiled files (.elc) should be put in a subdirectory of 55# The resulting compiled files (.elc) should be put in a subdirectory of
50# /usr/share/emacs/site-lisp/ which is named after the first argument 56# /usr/share/emacs/site-lisp/ which is named after the first argument
51# of elisp-install(). The following parameters are the files to be put in 57# of elisp-install(). The following parameters are the files to be put in
52# that directory. Usually the subdirectory should be ${PN}, you can choose 58# that directory. Usually the subdirectory should be ${PN}, you can choose
53# something else, but remember to tell elisp-site-file-install() (see below) 59# something else, but remember to tell elisp-site-file-install() (see below)
54# the change, as it defaults to ${PN}. 60# the change, as it defaults to ${PN}.
55# 61#
56# elisp-install ${PN} *.elc *.el || die "elisp-install failed!" 62# elisp-install ${PN} *.el *.elc || die "elisp-install failed"
57# 63#
58# To let the Emacs support be activated by Emacs on startup, you need 64# To let the Emacs support be activated by Emacs on startup, you need
59# to provide a site file (shipped in ${FILESDIR}) which contains the startup 65# to provide a site file (shipped in ${FILESDIR}) which contains the startup
60# code (have a look in the documentation of your software). Normally this 66# code (have a look in the documentation of your software). Normally this
61# would look like this: 67# would look like this:
62# 68#
63# ;;; csv-mode site-lisp configuration 69# ;;; csv-mode site-lisp configuration
64# 70#
65# (add-to-list 'load-path "@SITELISP@") 71# (add-to-list 'load-path "@SITELISP@")
66# (add-to-list 'auto-mode-alist '("\\.csv\\'" . csv-mode)) 72# (add-to-list 'auto-mode-alist '("\\.csv\\'" . csv-mode))
67# (autoload 'csv-mode "csv-mode" "Major mode for editing csv files." t) 73# (autoload 'csv-mode "csv-mode" "Major mode for csv files." t)
68# 74#
69# If your Emacs support files are installed in a subdirectory of 75# If your Emacs support files are installed in a subdirectory of
70# /usr/share/emacs/site-lisp/ (which is recommended if more than one file is 76# /usr/share/emacs/site-lisp/ (which is recommended), you need to extend
71# installed), you need to extend Emacs' load-path as shown in the first 77# Emacs' load-path as shown in the first non-comment.
72# non-comment. The elisp-site-file-install() function of this eclass will 78# The elisp-site-file-install() function of this eclass will replace
73# replace "@SITELISP@" by the actual path. 79# "@SITELISP@" by the actual path.
80#
74# The next line tells Emacs to load the mode opening a file ending with 81# The next line tells Emacs to load the mode opening a file ending with
75# ".csv" and load functions depending on the context and needed features. 82# ".csv" and load functions depending on the context and needed features.
76# Be careful though. Commands as "load-library" or "require" bloat the 83# Be careful though. Commands as "load-library" or "require" bloat the
77# editor as they are loaded on every startup. When having a lot of Emacs 84# editor as they are loaded on every startup. When having a lot of Emacs
78# support files, users may be annoyed by the start-up time. Also avoid 85# support files, users may be annoyed by the start-up time. Also avoid
79# keybindings as they might interfere with the user's settings. Give a hint 86# keybindings as they might interfere with the user's settings. Give a hint
80# in pkg_postinst(), which should be enough. 87# in pkg_postinst(), which should be enough.
88#
81# The naming scheme for this site file is "[0-9][0-9]*-gentoo.el", where the 89# The naming scheme for this site file is "[0-9][0-9]*-gentoo.el", where the
82# two digits at the beginning define the loading order. So if you depend on 90# two digits at the beginning define the loading order. So if you depend on
83# another Emacs package, your site file's number must be higher! 91# another Emacs package, your site file's number must be higher!
92#
84# Best practice is to define a SITEFILE variable in the global scope of your 93# Best practice is to define a SITEFILE variable in the global scope of your
85# ebuild (right after DEPEND e.g.): 94# ebuild (right after DEPEND e.g.):
86# 95#
87# SITEFILE=50${PN}-gentoo.el 96# SITEFILE=50${PN}-gentoo.el
88# 97#
89# Which is then installed by 98# Which is then installed by
90# 99#
91# elisp-site-file-install "${FILESDIR}/${SITEFILE}" 100# elisp-site-file-install "${FILESDIR}/${SITEFILE}" || die
92# 101#
93# in src_install(). If your subdirectory is not named ${PN}, give the 102# in src_install(). If your subdirectory is not named ${PN}, give the
94# differing name as second argument. 103# differing name as second argument.
95# 104#
105# .SS
96# pkg_postinst() / pkg_postrm() usage: 106# pkg_postinst() / pkg_postrm() usage:
97# ------------------------------------
98# 107#
99# After that you need to recreate the start-up file of Emacs after emerging 108# After that you need to recreate the start-up file of Emacs after emerging
100# and unmerging by using 109# and unmerging by using
101# 110#
102# pkg_postinst() { 111# pkg_postinst() {
103# elisp-site-regen 112# elisp-site-regen
104# } 113# }
114#
105# pkg_postrm() { 115# pkg_postrm() {
106# elisp-site-regen 116# elisp-site-regen
107# } 117# }
108# 118#
109# As always: Feel free to contact Emacs team through emacs@gentoo.org if you 119# When having optional Emacs support, you should prepend "use emacs &&" to
110# have problems, suggestions or questions. 120# above calls of elisp-site-regen(). Don't use "has_version virtual/emacs"!
121# When unmerging the state of the emacs USE flag is taken from the package
122# database and not from the environment, so it is no problem when you unset
123# USE=emacs between merge and unmerge of a package.
124#
125# .SS
126# Miscellaneous functions:
127#
128# elisp-emacs-version() outputs the version of the currently active Emacs.
111 129
130# @ECLASS-VARIABLE: SITELISP
131# @DESCRIPTION:
132# Directory where packages install Emacs Lisp files.
112SITELISP=/usr/share/emacs/site-lisp 133SITELISP=/usr/share/emacs/site-lisp
113 134
135# Directory where packages install miscellaneous (not Lisp) files.
136SITEETC=/usr/share/emacs/etc
137
138# @ECLASS-VARIABLE: SITEFILE
139# @DESCRIPTION:
140# Name of package's site-init file.
141SITEFILE=50${PN}-gentoo.el
142
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 ."
158
159# @FUNCTION: elisp-compile
160# @USAGE: <list of elisp files>
161# @DESCRIPTION:
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.
171
114elisp-compile() { 172elisp-compile() {
115 /usr/bin/emacs --batch -f batch-byte-compile --no-site-file --no-init-file $* 173 ebegin "Compiling GNU Emacs Elisp files"
174 ${EMACS} ${EMACSFLAGS} ${BYTECOMPFLAGS} -f batch-byte-compile "$@"
175 eend $? "batch-byte-compile failed"
116} 176}
117 177
178# #FUNCTION: elisp-comp
179# #USAGE: <list of elisp files>
180# #DESCRIPTION:
181# Byte-compile interdependent Emacs Lisp files.
182# THIS FUNCTION IS DEPRECATED.
183#
184# This function byte-compiles all ".el" files which are part of its
185# arguments, using GNU Emacs, and puts the resulting ".elc" files into the
186# current directory, so disregarding the original directories used in ".el"
187# arguments.
188#
189# This function manages in such a way that all Emacs Lisp files to be
190# compiled are made visible between themselves, in the event they require or
191# load one another.
192
193elisp-comp() {
194 # Copyright 1995 Free Software Foundation, Inc.
195 # François Pinard <pinard@iro.umontreal.ca>, 1995.
196 # Originally taken from GNU autotools.
197
198 ewarn "Function elisp-comp is deprecated and may be removed in future."
199 ewarn "Please use function elisp-compile instead, or report a bug about"
200 ewarn "${CATEGORY}/${PF} at <http://bugs.gentoo.org/>."
201 echo
202
203 [ $# -gt 0 ] || return 1
204
205 ebegin "Compiling GNU Emacs Elisp files"
206
207 local tempdir=elc.$$
208 mkdir ${tempdir}
209 cp "$@" ${tempdir}
210 pushd ${tempdir}
211
212 echo "(add-to-list 'load-path \"../\")" > script
213 ${EMACS} ${EMACSFLAGS} -l script -f batch-byte-compile *.el
214 local ret=$?
215 mv *.elc ..
216
217 popd
218 rm -fr ${tempdir}
219
220 eend ${ret} "batch-byte-compile failed"
221 return ${ret}
222}
223
224# @FUNCTION: elisp-emacs-version
225# @DESCRIPTION:
226# Output version of currently active Emacs.
227
228elisp-emacs-version() {
229 # The following will work for at least versions 18-23.
230 echo "(princ emacs-version)" >"${T}"/emacs-version.el
231 ${EMACS} ${EMACSFLAGS} -l "${T}"/emacs-version.el
232 rm -f "${T}"/emacs-version.el
233}
234
235# @FUNCTION: elisp-make-autoload-file
236# @USAGE: [output file] [list of directories]
237# @DESCRIPTION:
238# Generate a file with autoload definitions for the lisp functions.
239
118elisp-make-autoload-file () { 240elisp-make-autoload-file() {
119 local f="${1:-${PN}-autoloads.el}" 241 local f="${1:-${PN}-autoloads.el}"
120 shift 242 shift
121 echo >"${f}" 243 ebegin "Generating autoload file for GNU Emacs"
122 emacs --batch -q --no-site-file \ 244
245 sed 's/^FF/\f/' >"${f}" <<-EOF
246 ;;; ${f##*/} --- autoloads for ${P}
247
248 ;;; Commentary:
249 ;; Automatically generated by elisp-common.eclass
250 ;; DO NOT EDIT THIS FILE
251
252 ;;; Code:
253 FF
254 ;; Local Variables:
255 ;; version-control: never
256 ;; no-byte-compile: t
257 ;; no-update-autoloads: t
258 ;; End:
259 ;;; ${f##*/} ends here
260 EOF
261
262 ${EMACS} ${EMACSFLAGS} \
123 --eval "(setq make-backup-files nil)" \ 263 --eval "(setq make-backup-files nil)" \
124 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \ 264 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \
125 -f batch-update-autoloads "${@-.}" 265 -f batch-update-autoloads "${@-.}"
266
267 eend $? "batch-update-autoloads failed"
126} 268}
269
270# @FUNCTION: elisp-install
271# @USAGE: <subdirectory> <list of files>
272# @DESCRIPTION:
273# Install files in SITELISP directory.
127 274
128elisp-install() { 275elisp-install() {
129 local subdir=$1 276 local subdir="$1"
130 dodir "${SITELISP}/${subdir}"
131 insinto "${SITELISP}/${subdir}"
132 shift 277 shift
278 ebegin "Installing Elisp files for GNU Emacs support"
279 ( # subshell to avoid pollution of calling environment
280 insinto "${SITELISP}/${subdir}"
133 doins $@ 281 doins "$@"
282 )
283 eend $? "doins failed"
134} 284}
285
286# @FUNCTION: elisp-site-file-install
287# @USAGE: <site-init file> [subdirectory]
288# @DESCRIPTION:
289# Install Emacs site-init file in SITELISP directory.
135 290
136elisp-site-file-install() { 291elisp-site-file-install() {
137 local sitefile=$1 my_pn=${2:-${PN}} 292 local sf="${T}/${1##*/}" my_pn="${2:-${PN}}" ret
138 pushd "${S}" 293 ebegin "Installing site initialisation file for GNU Emacs"
139 cp ${sitefile} "${T}" 294 cp "$1" "${sf}"
140 sed -i "s:@SITELISP@:${SITELISP}/${my_pn}:g" "${T}/$(basename ${sitefile})" 295 sed -i -e "s:@SITELISP@:${SITELISP}/${my_pn}:g" \
141 insinto ${SITELISP} 296 -e "s:@SITEETC@:${SITEETC}/${my_pn}:g" "${sf}"
142 doins "${T}/$(basename ${sitefile})" || die "failed to install site file" 297 ( # subshell to avoid pollution of calling environment
143 popd 298 insinto "${SITELISP}/site-gentoo.d"
299 doins "${sf}"
300 )
301 ret=$?
302 rm -f "${sf}"
303 eend ${ret} "doins failed"
144} 304}
305
306# @FUNCTION: elisp-site-regen
307# @DESCRIPTION:
308# Regenerate site-gentoo.el file. The old location for site initialisation
309# files of packages was /usr/share/emacs/site-lisp/. In December 2007 this
310# has been changed to /usr/share/emacs/site-lisp/site-gentoo.d/. Remerge of
311# packages with Emacs support is enough, the old location is still supported
312# when generating the start-up file.
145 313
146elisp-site-regen() { 314elisp-site-regen() {
315 local i sf line obsolete
316 local -a sflist
317 # Work around Paludis borkage: variable T is empty in pkg_postrm
318 local tmpdir=${T:-$(mktemp -d)}
319
320 if [ ! -d "${ROOT}${SITELISP}" ]; then
321 eerror "Directory ${SITELISP} does not exist"
322 return 1
323 fi
324
325 if [ ! -e "${ROOT}${SITELISP}"/site-gentoo.el ] \
326 && [ ! -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
343
147 einfo "Regenerating ${SITELISP}/site-gentoo.el ..." 344 einfon "Regenerating ${SITELISP}/site-gentoo.el ..."
148 einfo "" 345
346 # remove any auxiliary file (from previous run)
149 cat <<EOF >${ROOT}${SITELISP}/site-gentoo.el 347 rm -f "${ROOT}${SITELISP}"/00site-gentoo.el
150;;; DO NOT EDIT THIS FILE -- IT IS GENERATED AUTOMATICALLY BY PORTAGE
151;;; -----------------------------------------------------------------
152 348
153EOF 349 # set nullglob option, there may be a directory without matching files
350 local old_shopts=$(shopt -p nullglob)
351 shopt -s nullglob
352
154 for sf in ${ROOT}${SITELISP}/[0-9][0-9]*-gentoo.el 353 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el \
354 "${ROOT}${SITELISP}"/site-gentoo.d/[0-9][0-9]*.el
155 do 355 do
156 [ -r "${sf}" ] || continue 356 [ -r "${sf}" ] || continue
157 einfo " Adding $(basename ${sf}) ..." 357 # sort files by their basename. straight insertion sort.
158 cat "${sf}" >>${ROOT}${SITELISP}/site-gentoo.el 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
159 done 365 done
160 while read line; do einfo "${line}"; done <<EOF
161 366
162All site initialization for Gentoo-installed packages is now added to 367 eval "${old_shopts}"
163/usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is no longer
164managed by Gentoo. You are responsible for all maintenance of
165site-start.el if there is such a file.
166 368
167In order for this site initialization to be loaded for all users 369 cat <<-EOF >"${tmpdir}"/site-gentoo.el
168automatically, as was done previously, you can add a line like this: 370 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages
169 371
170 (load "/usr/share/emacs/site-lisp/site-gentoo" nil t) 372 ;;; Commentary:
373 ;; Automatically generated by elisp-common.eclass
374 ;; DO NOT EDIT THIS FILE
171 375
172to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line 376 ;;; Code:
173can be added by individual users to their initialization files, or for
174greater flexibility, users can select which of the package-specific
175initialization files in /usr/share/emacs/site-lisp to load.
176EOF 377 EOF
177 echo 378 cat "${sflist[@]}" </dev/null >>"${tmpdir}"/site-gentoo.el
178} 379 cat <<-EOF >>"${tmpdir}"/site-gentoo.el
179 380
180# The following Emacs Lisp compilation routine is taken from GNU 381 (provide 'site-gentoo)
181# autotools.
182 382
183elisp-comp() { 383 ;; Local Variables:
184# Copyright 1995 Free Software Foundation, Inc. 384 ;; no-byte-compile: t
185# François Pinard <pinard@iro.umontreal.ca>, 1995. 385 ;; End:
186# This script byte-compiles all `.el' files which are part of its 386 ;;; site-gentoo.el ends here
187# arguments, using GNU Emacs, and put the resulting `.elc' files into 387 EOF
188# the current directory, so disregarding the original directories used
189# in `.el' arguments.
190#
191# This script manages in such a way that all Emacs LISP files to
192# be compiled are made visible between themselves, in the event
193# they require or load-library one another.
194 388
195 if test $# = 0; then 389 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${tmpdir}"/site-gentoo.el
196 exit 1 390 then
391 # This prevents outputting unnecessary text when there
392 # was actually no change.
393 # A case is a remerge where we have doubled output.
394 echo " no changes."
197 else 395 else
198 if test -z "${EMACS}" || test "${EMACS}" = "t"; then 396 mv "${tmpdir}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el
199 # Value of "t" means we are running in a shell under Emacs. 397 [ -f "${tmpdir}"/site-start.el ] \
200 # Just assume Emacs is called "emacs". 398 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ] \
201 EMACS=emacs 399 && mv "${tmpdir}"/site-start.el "${ROOT}${SITELISP}"/site-start.el
202 fi 400 echo
401 for sf in "${sflist[@]##*/}"; do
402 einfo " Adding ${sf} ..."
403 done
404 einfo "Regenerated ${SITELISP}/site-gentoo.el."
203 405
204 tempdir=elc.$$ 406 echo
205 mkdir ${tempdir} 407 while read line; do einfo "${line:- }"; done <<-EOF
206 cp $* ${tempdir} 408 All site initialisation for Gentoo-installed packages is added to
207 cd ${tempdir} 409 /usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is not
410 managed by Gentoo. You are responsible for all maintenance of
411 site-start.el if there is such a file.
208 412
209 echo "(add-to-list 'load-path \"../\")" > script 413 In order for this site initialisation to be loaded for all users
210 ${EMACS} -batch -q --no-site-file --no-init-file -l script -f batch-byte-compile *.el 414 automatically, you can add a line like this:
211 mv *.elc ..
212 415
213 cd .. 416 (require 'site-gentoo)
214 rm -fr ${tempdir} 417
418 to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line
419 can be added by individual users to their initialisation files, or,
420 for greater flexibility, users can load individual package-specific
421 initialisation files from /usr/share/emacs/site-lisp/site-gentoo.d/.
422 EOF
423 echo
215 fi 424 fi
425
426 if [ "${obsolete}" ]; then
427 echo
428 while read line; do ewarn "${line}"; done <<-EOF
429 Site-initialisation files of Emacs packages are now installed in
430 /usr/share/emacs/site-lisp/site-gentoo.d/. We strongly recommend
431 that you use app-admin/emacs-updater to rebuild the installed
432 Emacs packages.
433 EOF
434
435 # Kludge for backwards compatibility: During pkg_postrm, old versions
436 # of this eclass (saved in the VDB) won't find packages' site-init
437 # files in the new location. So we copy them to an auxiliary file
438 # that is visible to old eclass versions.
439 for sf in "${sflist[@]}"; do
440 [ "${sf%/*}" = "${ROOT}${SITELISP}/site-gentoo.d" ] \
441 && cat "${sf}" >>"${ROOT}${SITELISP}"/00site-gentoo.el
442 done
443 fi
444
445 # cleanup
446 rm -f "${tmpdir}"/site-{gentoo,start}.el
447
448 return 0
216} 449}

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