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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 1.52 2008/11/24 14:21:04 ulm Exp $
4# 4#
5# Copyright 2007 Christian Faulhammer <opfer@gentoo.org>
6# Copyright 2002-2004 Matthew Kennedy <mkennedy@gentoo.org> 5# Copyright 2002-2004 Matthew Kennedy <mkennedy@gentoo.org>
6# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com>
7# Copyright 2004-2005 Mamoru Komachi <usata@gentoo.org> 7# Copyright 2004-2005 Mamoru Komachi <usata@gentoo.org>
8# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com> 8# Copyright 2007-2008 Christian Faulhammer <opfer@gentoo.org>
9# Copyright 2007 Ulrich Mueller <ulm@gentoo.org> 9# Copyright 2007-2008 Ulrich Müller <ulm@gentoo.org>
10# 10#
11# 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. The case of interdependent
33# 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
34# files are loadable. 38# load-path which makes sure that all files are loadable.
35# 39#
36# elisp-compile *.el || die "elisp-compile failed" 40# elisp-compile *.el || die
37# or
38# elisp-comp *.el || die "elisp-comp failed"
39# 41#
42# Formerly, function elisp-comp() was used for compilation of interdependent
43# elisp files. This usage is considered as obsolete.
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
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.
82# The naming scheme for this site file is "[0-9][0-9]*-gentoo.el", where the 88#
83# two digits at the beginning define the loading order. So if you depend on 89# The naming scheme for this site-init file matches the shell pattern
90# "[1-8][0-9]*-gentoo.el", where the two digits at the beginning define the
91# loading order (numbers below 10 or above 89 are reserved for internal use).
84# another Emacs package, your site file's number must be higher! 92# So if you depend on another Emacs package, your site file's number must be
93# higher!
94#
85# Best practice is to define a SITEFILE variable in the global scope of your 95# Best practice is to define a SITEFILE variable in the global scope of your
86# ebuild (right after DEPEND e.g.): 96# ebuild (e.g., right after DEPEND):
87# 97#
88# SITEFILE=50${PN}-gentoo.el 98# SITEFILE=50${PN}-gentoo.el
89# 99#
90# Which is then installed by 100# Which is then installed by
91# 101#
92# elisp-site-file-install "${FILESDIR}/${SITEFILE}" 102# elisp-site-file-install "${FILESDIR}/${SITEFILE}" || die
93# 103#
94# in src_install(). If your subdirectory is not named ${PN}, give the 104# in src_install(). If your subdirectory is not named ${PN}, give the
95# differing name as second argument. 105# differing name as second argument.
96# 106#
107# .SS
97# pkg_postinst() / pkg_postrm() usage: 108# pkg_postinst() / pkg_postrm() usage:
98# ------------------------------------
99# 109#
100# After that you need to recreate the start-up file of Emacs after emerging 110# After that you need to recreate the start-up file of Emacs after emerging
101# and unmerging by using 111# and unmerging by using
102# 112#
103# pkg_postinst() { 113# pkg_postinst() {
104# elisp-site-regen 114# elisp-site-regen
105# } 115# }
106# 116#
107# pkg_postrm() { 117# pkg_postrm() {
108# elisp-site-regen 118# elisp-site-regen
109# } 119# }
110# 120#
111# When having optional Emacs support, you should prepend "use emacs &&" to 121# 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"! 122# 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 123# 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 124# database and not from the environment, so it is no problem when you unset
115# USE=emacs between merge und unmerge of a package. 125# USE=emacs between merge and unmerge of a package.
116# 126#
127# .SS
117# Miscellaneous functions: 128# Miscellaneous functions:
118# ------------------------
119# 129#
120# elisp-emacs-version() outputs the version of the currently active Emacs. 130# 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.
124 131
132# @ECLASS-VARIABLE: SITELISP
133# @DESCRIPTION:
134# Directory where packages install Emacs Lisp files.
125SITELISP=/usr/share/emacs/site-lisp 135SITELISP=/usr/share/emacs/site-lisp
126 136
137# @ECLASS-VARIABLE: SITEETC
138# @DESCRIPTION:
139# Directory where packages install miscellaneous (not Lisp) files.
140SITEETC=/usr/share/emacs/etc
141
142# @ECLASS-VARIABLE: EMACS
143# @DESCRIPTION:
144# Path of Emacs executable.
145EMACS=/usr/bin/emacs
146
147# @ECLASS-VARIABLE: EMACSFLAGS
148# @DESCRIPTION:
149# Flags for executing Emacs in batch mode.
150# These work for Emacs versions 18-23, so don't change them.
151EMACSFLAGS="-batch -q --no-site-file"
152
153# @ECLASS-VARIABLE: BYTECOMPFLAGS
154# @DESCRIPTION:
155# Emacs flags used for byte-compilation in elisp-compile().
156BYTECOMPFLAGS="-L ."
157
158# @FUNCTION: elisp-compile
159# @USAGE: <list of elisp files>
160# @DESCRIPTION:
161# Byte-compile Emacs Lisp files.
162#
163# This function uses GNU Emacs to byte-compile all ".el" specified by its
164# arguments. The resulting byte-code (".elc") files are placed in the same
165# directory as their corresponding source file.
166#
167# The current directory is added to the load-path. This will ensure that
168# interdependent Emacs Lisp files are visible between themselves, in case
169# they require or load one another.
170
127elisp-compile() { 171elisp-compile() {
128 einfo "Compiling GNU Emacs Elisp files ..." 172 ebegin "Compiling GNU Emacs Elisp files"
129 /usr/bin/emacs -batch -q --no-site-file -f batch-byte-compile $* 173 ${EMACS} ${EMACSFLAGS} ${BYTECOMPFLAGS} -f batch-byte-compile "$@"
174 eend $? "elisp-compile: batch-byte-compile failed"
130} 175}
176
177# #FUNCTION: elisp-comp
178# #USAGE: <list of elisp files>
179# #DESCRIPTION:
180# Byte-compile interdependent Emacs Lisp files.
181# THIS FUNCTION IS DEPRECATED.
182#
183# This function byte-compiles all ".el" files which are part of its
184# arguments, using GNU Emacs, and puts the resulting ".elc" files into the
185# current directory, so disregarding the original directories used in ".el"
186# arguments.
187#
188# This function manages in such a way that all Emacs Lisp files to be
189# compiled are made visible between themselves, in the event they require or
190# load one another.
191
192elisp-comp() {
193 # Copyright 1995 Free Software Foundation, Inc.
194 # François Pinard <pinard@iro.umontreal.ca>, 1995.
195 # Originally taken from GNU autotools.
196
197 ewarn "Function elisp-comp is deprecated and may be removed in future."
198 ewarn "Please use function elisp-compile instead, or report a bug about"
199 ewarn "${CATEGORY}/${PF} at <http://bugs.gentoo.org/>."
200 echo
201
202 [ $# -gt 0 ] || return 1
203
204 ebegin "Compiling GNU Emacs Elisp files"
205
206 local tempdir=elc.$$
207 mkdir ${tempdir}
208 cp "$@" ${tempdir}
209 pushd ${tempdir}
210
211 echo "(add-to-list 'load-path \"../\")" > script
212 ${EMACS} ${EMACSFLAGS} -l script -f batch-byte-compile *.el
213 local ret=$?
214 mv *.elc ..
215
216 popd
217 rm -fr ${tempdir}
218
219 eend ${ret} "elisp-comp: batch-byte-compile failed"
220}
221
222# @FUNCTION: elisp-emacs-version
223# @DESCRIPTION:
224# Output version of currently active Emacs.
131 225
132elisp-emacs-version() { 226elisp-emacs-version() {
133 # Output version of currently active Emacs.
134 # The following will work for at least versions 18-22. 227 # The following will work for at least versions 18-23.
135 echo "(princ emacs-version)" >"${T}"/emacs-version.el 228 echo "(princ emacs-version)" >"${T}"/emacs-version.el
136 /usr/bin/emacs -batch -q --no-site-file -l "${T}"/emacs-version.el 229 ${EMACS} ${EMACSFLAGS} -l "${T}"/emacs-version.el
230 rm -f "${T}"/emacs-version.el
137} 231}
138 232
233# @FUNCTION: elisp-make-autoload-file
234# @USAGE: [output file] [list of directories]
235# @DESCRIPTION:
236# Generate a file with autoload definitions for the lisp functions.
237
139elisp-make-autoload-file () { 238elisp-make-autoload-file() {
140 local f="${1:-${PN}-autoloads.el}" 239 local f="${1:-${PN}-autoloads.el}"
141 shift 240 shift
142 einfo "Generating autoload file for GNU Emacs ..." 241 ebegin "Generating autoload file for GNU Emacs"
143 242
144 sed 's/^FF/\f/' >"${f}" <<-EOF 243 sed 's/^FF/\f/' >"${f}" <<-EOF
145 ;;; ${f##*/} --- autoloads for ${P} 244 ;;; ${f##*/} --- autoloads for ${P}
146 245
147 ;;; Commentary: 246 ;;; Commentary:
156 ;; no-update-autoloads: t 255 ;; no-update-autoloads: t
157 ;; End: 256 ;; End:
158 ;;; ${f##*/} ends here 257 ;;; ${f##*/} ends here
159 EOF 258 EOF
160 259
161 /usr/bin/emacs -batch -q --no-site-file \ 260 ${EMACS} ${EMACSFLAGS} \
162 --eval "(setq make-backup-files nil)" \ 261 --eval "(setq make-backup-files nil)" \
163 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \ 262 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \
164 -f batch-update-autoloads "${@-.}" 263 -f batch-update-autoloads "${@-.}"
264
265 eend $? "elisp-make-autoload-file: batch-update-autoloads failed"
165} 266}
267
268# @FUNCTION: elisp-install
269# @USAGE: <subdirectory> <list of files>
270# @DESCRIPTION:
271# Install files in SITELISP directory.
166 272
167elisp-install() { 273elisp-install() {
168 local subdir=$1 274 local subdir="$1"
169 einfo "Installing Elisp files for GNU Emacs support ..."
170 dodir "${SITELISP}/${subdir}"
171 insinto "${SITELISP}/${subdir}"
172 shift 275 shift
276 ebegin "Installing Elisp files for GNU Emacs support"
277 ( # subshell to avoid pollution of calling environment
278 insinto "${SITELISP}/${subdir}"
173 doins $@ 279 doins "$@"
280 )
281 eend $? "elisp-install: doins failed"
174} 282}
283
284# @FUNCTION: elisp-site-file-install
285# @USAGE: <site-init file> [subdirectory]
286# @DESCRIPTION:
287# Install Emacs site-init file in SITELISP directory.
175 288
176elisp-site-file-install() { 289elisp-site-file-install() {
177 local sitefile=$1 my_pn=${2:-${PN}} 290 local sf="${T}/${1##*/}" my_pn="${2:-${PN}}" ret
178 einfo "Installing site initialisation file for GNU Emacs ..." 291 ebegin "Installing site initialisation file for GNU Emacs"
179 pushd "${S}" 292 cp "$1" "${sf}"
180 cp ${sitefile} "${T}" 293 sed -i -e "s:@SITELISP@:${SITELISP}/${my_pn}:g" \
181 sed -i "s:@SITELISP@:${SITELISP}/${my_pn}:g" "${T}/$(basename ${sitefile})" 294 -e "s:@SITEETC@:${SITEETC}/${my_pn}:g;\$q" "${sf}"
182 insinto ${SITELISP} 295 ( # subshell to avoid pollution of calling environment
183 doins "${T}/$(basename ${sitefile})" || die "failed to install site file" 296 insinto "${SITELISP}/site-gentoo.d"
184 popd 297 doins "${sf}"
298 )
299 ret=$?
300 rm -f "${sf}"
301 eend ${ret} "elisp-site-file-install: doins failed"
185} 302}
303
304# @FUNCTION: elisp-site-regen
305# @DESCRIPTION:
306# Regenerate the site-gentoo.el file, based on packages' site initialisation
307# files in the /usr/share/emacs/site-lisp/site-gentoo.d/ directory.
308#
309# Note: Before December 2007, site initialisation files were installed in
310# /usr/share/emacs/site-lisp/. For backwards compatibility, this location is
311# still supported when generating site-gentoo.el.
186 312
187elisp-site-regen() { 313elisp-site-regen() {
188 local sflist sf line 314 local i sf line firstrun obsolete
315 local -a sflist
316 # Work around Paludis borkage: variable T is empty in pkg_postrm
317 local tmpdir=${T:-$(mktemp -d)}
189 318
319 if [ ! -d "${ROOT}${SITELISP}" ]; then
320 eerror "elisp-site-regen: Directory ${SITELISP} does not exist"
321 return 1
322 fi
323
324 [ -e "${ROOT}${SITELISP}"/site-gentoo.el ] || firstrun=t
325
326 if [ "${firstrun}" ] && [ ! -e "${ROOT}${SITELISP}"/site-start.el ]; then
327 einfo "Creating default ${SITELISP}/site-start.el ..."
328 cat <<-EOF >"${tmpdir}"/site-start.el
329 ;;; site-start.el
330
331 ;;; Commentary:
332 ;; This default site startup file is installed by elisp-common.eclass.
333 ;; You may replace this file by your own site initialisation, or even
334 ;; remove it completely; it will not be recreated.
335
336 ;;; Code:
337 ;; Load site initialisation for Gentoo-installed packages.
338 (require 'site-gentoo)
339
340 ;;; site-start.el ends here
341 EOF
342 fi
343
190 einfo "Regenerating ${SITELISP}/site-gentoo.el ..." 344 einfon "Regenerating ${SITELISP}/site-gentoo.el ..."
345
346 # remove any auxiliary file (from previous run)
347 rm -f "${ROOT}${SITELISP}"/00site-gentoo.el
348
349 # set nullglob option, there may be a directory without matching files
350 local old_shopts=$(shopt -p nullglob)
351 shopt -s nullglob
352
353 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el \
354 "${ROOT}${SITELISP}"/site-gentoo.d/[0-9][0-9]*.el
355 do
356 [ -r "${sf}" ] || continue
357 # sort files by their basename. straight insertion sort.
358 for ((i=${#sflist[@]}; i>0; i--)); do
359 [[ ${sf##*/} < ${sflist[i-1]##*/} ]] || break
360 sflist[i]=${sflist[i-1]}
361 done
362 sflist[i]=${sf}
363 # set a flag if there are obsolete files
364 [ "${sf%/*}" = "${ROOT}${SITELISP}" ] && obsolete=t
365 done
366
367 eval "${old_shopts}"
368
191 cat <<-EOF >"${T}"/site-gentoo.el 369 cat <<-EOF >"${tmpdir}"/site-gentoo.el
192 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages 370 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages
193 371
194 ;;; Commentary: 372 ;;; Commentary:
195 ;; Automatically generated by elisp-common.eclass 373 ;; Automatically generated by elisp-common.eclass
196 ;; DO NOT EDIT THIS FILE 374 ;; DO NOT EDIT THIS FILE
197 375
198 ;;; Code: 376 ;;; Code:
199 EOF 377 EOF
200 378 # Use sed instead of cat here, since files may miss a trailing newline.
201 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el 379 sed '$q' "${sflist[@]}" </dev/null >>"${tmpdir}"/site-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 380 cat <<-EOF >>"${tmpdir}"/site-gentoo.el
209 381
382 (provide 'site-gentoo)
383
384 ;; Local Variables:
385 ;; no-byte-compile: t
386 ;; End:
210 ;;; site-gentoo.el ends here 387 ;;; site-gentoo.el ends here
211 EOF 388 EOF
212 389
213 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${T}"/site-gentoo.el; then 390 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${tmpdir}"/site-gentoo.el
391 then
214 # This prevents outputting unnecessary text when there 392 # This prevents outputting unnecessary text when there
215 # was actually no change 393 # was actually no change.
216 # A case is a remerge where we have doubled output 394 # A case is a remerge where we have doubled output.
217 einfo "... no changes" 395 echo " no changes."
218 else 396 else
219 mv "${T}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el 397 mv "${tmpdir}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el
220 einfo "" 398 [ -f "${tmpdir}"/site-start.el ] \
221 for sf in ${sflist}; do 399 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ] \
222 einfo " Adding ${sf} ..." 400 && mv "${tmpdir}"/site-start.el "${ROOT}${SITELISP}"/site-start.el
223 done 401 echo
402 einfo "... ${#sflist[@]} site initialisation file(s) included."
403 fi
404
405 if [ "${firstrun}" ]; then
406 echo
224 while read line; do einfo "${line}"; done <<EOF 407 while read line; do einfo "${line:- }"; done <<-EOF
225
226All site initialisation for Gentoo-installed packages is now added to 408 All site initialisation for Gentoo-installed packages is added to
227/usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is no longer 409 /usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is not
228managed by Gentoo. You are responsible for all maintenance of 410 managed by Gentoo. You are responsible for all maintenance of
229site-start.el if there is such a file. 411 site-start.el if there is such a file.
230 412
231In order for this site initialisation to be loaded for all users 413 In order for this site initialisation to be loaded for all users
232automatically, as was done previously, you can add a line like this: 414 automatically, you can add a line like this:
233 415
234 (load "/usr/share/emacs/site-lisp/site-gentoo" nil t) 416 (require 'site-gentoo)
235 417
236to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line 418 to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line
237can be added by individual users to their initialisation files, or for 419 can be added by individual users to their initialisation files, or,
238greater flexibility, users can select which of the package-specific 420 for greater flexibility, users can load individual package-specific
239initialisation files in /usr/share/emacs/site-lisp to load. 421 initialisation files from /usr/share/emacs/site-lisp/site-gentoo.d/.
240EOF 422 EOF
241 echo 423 echo
242 fi 424 fi
243}
244 425
245# The following Emacs Lisp compilation routine was originally taken from 426 if [ "${obsolete}" ]; then
246# GNU autotools. 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
247 434
248elisp-comp() { 435 # Kludge for backwards compatibility: During pkg_postrm, old versions
249 # Copyright 1995 Free Software Foundation, Inc. 436 # of this eclass (saved in the VDB) won't find packages' site-init
250 # François Pinard <pinard@iro.umontreal.ca>, 1995. 437 # 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 438 # that is visible to old eclass versions.
252 # arguments, using GNU Emacs, and put the resulting `.elc' files into 439 for sf in "${sflist[@]}"; do
253 # the current directory, so disregarding the original directories used 440 [ "${sf%/*}" = "${ROOT}${SITELISP}/site-gentoo.d" ] \
254 # in `.el' arguments. 441 && cat "${sf}" >>"${ROOT}${SITELISP}"/00site-gentoo.el
255 # 442 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 443 fi
267 einfo "Compiling GNU Emacs Elisp files ..."
268 444
269 tempdir=elc.$$ 445 # cleanup
270 mkdir ${tempdir} 446 rm -f "${tmpdir}"/site-{gentoo,start}.el
271 cp $* ${tempdir}
272 pushd ${tempdir}
273 447
274 echo "(add-to-list 'load-path \"../\")" > script 448 return 0
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} 449}

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