/[gentoo-x86]/eclass/elisp-common.eclass
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1# Copyright 1999-2007 Gentoo Foundation 1# Copyright 1999-2007 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 1.23 2007/07/09 13:40:58 flameeyes Exp $
4# 4#
5# Copyright 2007 Christian Faulhammer <opfer@gentoo.org> 5# Copyright 2007 Christian Faulhammer <opfer@gentoo.org>
6# Copyright 2002-2007 Matthew Kennedy <mkennedy@gentoo.org> 6# Copyright 2002-2007 Matthew Kennedy <mkennedy@gentoo.org>
7# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com> 7# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com>
8# Copyright 2007 Ulrich Mueller <ulm@gentoo.org> 8# Copyright 2007 Ulrich Mueller <ulm@gentoo.org>
100# and unmerging by using 100# and unmerging by using
101# 101#
102# pkg_postinst() { 102# pkg_postinst() {
103# elisp-site-regen 103# elisp-site-regen
104# } 104# }
105#
105# pkg_postrm() { 106# pkg_postrm() {
106# elisp-site-regen 107# elisp-site-regen
107# } 108# }
108# 109#
110# When having optional Emacs support, you should prepend "use emacs &&" to
111# above calls of elisp-site-regen(). Don't use "has_version virtual/emacs"!
112# When unmerging the state of the USE flag emacs is taken from the package
113# database and not from the environment, so it is no problem when you unset
114# USE=emacs between merge und unmerge of a package.
115#
116# Miscellaneous functions:
117# ------------------------
118#
119# elisp-emacs-version() outputs the version of the currently active Emacs.
120#
109# As always: Feel free to contact Emacs team through emacs@gentoo.org if you 121# As always: Feel free to contact Emacs team through emacs@gentoo.org if you
110# have problems, suggestions or questions. 122# have problems, suggestions or questions.
111 123
124IUSE="userland_GNU"
125
112SITELISP=/usr/share/emacs/site-lisp 126SITELISP=/usr/share/emacs/site-lisp
113 127
114elisp-compile() { 128elisp-compile() {
115 /usr/bin/emacs --batch -f batch-byte-compile --no-site-file --no-init-file $* 129 einfo "Compiling GNU Emacs Elisp files ..."
130 /usr/bin/emacs -batch -q --no-site-file -f batch-byte-compile $*
131}
132
133elisp-emacs-version() {
134 # Output version of currently active Emacs.
135 # The following will work for at least versions 18-22.
136 echo "(princ emacs-version)" >"${T}"/emacs-version.el
137 /usr/bin/emacs -batch -q --no-site-file -l "${T}"/emacs-version.el
116} 138}
117 139
118elisp-make-autoload-file () { 140elisp-make-autoload-file () {
119 local f="${1:-${PN}-autoloads.el}" 141 local f="${1:-${PN}-autoloads.el}"
120 shift 142 shift
121 echo >"${f}" 143 einfo "Generating autoload file for GNU Emacs ..."
144
145 sed 's/^FF/\f/' >"${f}" <<-EOF
146 ;;; ${f##*/} --- autoloads for ${P}
147
148 ;;; Commentary:
149 ;; Automatically generated by elisp-common.eclass
150 ;; DO NOT EDIT THIS FILE
151
152 ;;; Code:
153 FF
154 ;; Local Variables:
155 ;; version-control: never
156 ;; no-byte-compile: t
157 ;; no-update-autoloads: t
158 ;; End:
159 ;;; ${f##*/} ends here
160 EOF
161
122 emacs --batch -q --no-site-file \ 162 /usr/bin/emacs -batch -q --no-site-file \
123 --eval "(setq make-backup-files nil)" \ 163 --eval "(setq make-backup-files nil)" \
124 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \ 164 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \
125 -f batch-update-autoloads "${@-.}" 165 -f batch-update-autoloads "${@-.}"
126} 166}
127 167
128elisp-install() { 168elisp-install() {
129 local subdir=$1 169 local subdir=$1
170 einfo "Installing Elisp files for GNU Emacs support ..."
130 dodir "${SITELISP}/${subdir}" 171 dodir "${SITELISP}/${subdir}"
131 insinto "${SITELISP}/${subdir}" 172 insinto "${SITELISP}/${subdir}"
132 shift 173 shift
133 doins $@ 174 doins $@
134} 175}
135 176
136elisp-site-file-install() { 177elisp-site-file-install() {
137 local sitefile=$1 my_pn=${2:-${PN}} 178 local sitefile=$1 my_pn=${2:-${PN}}
179 einfo "Installing site initialisation file for GNU Emacs ..."
138 pushd "${S}" 180 pushd "${S}"
139 cp ${sitefile} "${T}" 181 cp ${sitefile} "${T}"
140 sed -i "s:@SITELISP@:${SITELISP}/${my_pn}:g" "${T}/$(basename ${sitefile})" 182 sed -i "s:@SITELISP@:${SITELISP}/${my_pn}:g" "${T}/$(basename ${sitefile})"
141 insinto ${SITELISP} 183 insinto ${SITELISP}
142 doins "${T}/$(basename ${sitefile})" || die "failed to install site file" 184 doins "${T}/$(basename ${sitefile})" || die "failed to install site file"
143 popd 185 popd
144} 186}
145 187
146elisp-site-regen() { 188elisp-site-regen() {
189 local sflist sf line
190
147 einfo "Regenerating ${SITELISP}/site-gentoo.el ..." 191 einfo "Regenerating ${SITELISP}/site-gentoo.el ..."
148 einfo ""
149 cat <<EOF >${ROOT}${SITELISP}/site-gentoo.el 192 cat <<EOF >"${T}"/site-gentoo.el
150;;; DO NOT EDIT THIS FILE -- IT IS GENERATED AUTOMATICALLY BY PORTAGE 193;;; DO NOT EDIT THIS FILE -- IT IS GENERATED AUTOMATICALLY BY PORTAGE
151;;; ----------------------------------------------------------------- 194;;; -----------------------------------------------------------------
152 195
153EOF 196EOF
154 for sf in ${ROOT}${SITELISP}/[0-9][0-9]*-gentoo.el 197 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el
155 do 198 do
156 [ -r "${sf}" ] || continue 199 [ -r "${sf}" ] || continue
157 einfo " Adding $(basename ${sf}) ..." 200 sflist="${sflist} $(basename "${sf}")"
158 cat "${sf}" >>${ROOT}${SITELISP}/site-gentoo.el 201 cat "${sf}" >>"${T}"/site-gentoo.el
159 done 202 done
203
204 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${T}"/site-gentoo.el; then
205 # This prevents outputting unnecessary text when there
206 # was actually no change
207 # A case is a remerge where we have doubled output
208 einfo "... no changes"
209 else
210 local mvopts=""
211 use userland_GNU && mvopts="-b"
212 mv ${mvopts} "${T}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el
213 einfo ""
214 for sf in ${sflist}; do
215 einfo " Adding ${sf} ..."
216 done
160 while read line; do einfo "${line}"; done <<EOF 217 while read line; do einfo "${line}"; done <<EOF
161 218
162All site initialization for Gentoo-installed packages is now added to 219All site initialization for Gentoo-installed packages is now added to
163/usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is no longer 220/usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is no longer
164managed by Gentoo. You are responsible for all maintenance of 221managed by Gentoo. You are responsible for all maintenance of
165site-start.el if there is such a file. 222site-start.el if there is such a file.
172to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line 229to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line
173can be added by individual users to their initialization files, or for 230can be added by individual users to their initialization files, or for
174greater flexibility, users can select which of the package-specific 231greater flexibility, users can select which of the package-specific
175initialization files in /usr/share/emacs/site-lisp to load. 232initialization files in /usr/share/emacs/site-lisp to load.
176EOF 233EOF
177 echo 234 echo
235 fi
178} 236}
179 237
180# The following Emacs Lisp compilation routine is taken from GNU 238# The following Emacs Lisp compilation routine is taken from GNU
181# autotools. 239# autotools.
182 240
183elisp-comp() { 241elisp-comp() {
184# Copyright 1995 Free Software Foundation, Inc. 242 # Copyright 1995 Free Software Foundation, Inc.
185# Fran├žois Pinard <pinard@iro.umontreal.ca>, 1995. 243 # Fran├žois Pinard <pinard@iro.umontreal.ca>, 1995.
186# This script byte-compiles all `.el' files which are part of its 244 # This script byte-compiles all `.el' files which are part of its
187# arguments, using GNU Emacs, and put the resulting `.elc' files into 245 # arguments, using GNU Emacs, and put the resulting `.elc' files into
188# the current directory, so disregarding the original directories used 246 # the current directory, so disregarding the original directories used
189# in `.el' arguments. 247 # in `.el' arguments.
190# 248 #
191# This script manages in such a way that all Emacs LISP files to 249 # This script manages in such a way that all Emacs LISP files to
192# be compiled are made visible between themselves, in the event 250 # be compiled are made visible between themselves, in the event
193# they require or load-library one another. 251 # they require or load-library one another.
194 252
195 if test $# = 0; then 253 test $# -gt 0 || return 1
196 exit 1 254
197 else
198 if test -z "${EMACS}" || test "${EMACS}" = "t"; then 255 if test -z "${EMACS}" || test "${EMACS}" = "t"; then
199 # Value of "t" means we are running in a shell under Emacs. 256 # Value of "t" means we are running in a shell under Emacs.
200 # Just assume Emacs is called "emacs". 257 # Just assume Emacs is called "emacs".
201 EMACS=emacs 258 EMACS=/usr/bin/emacs
202 fi
203
204 tempdir=elc.$$
205 mkdir ${tempdir}
206 cp $* ${tempdir}
207 cd ${tempdir}
208
209 echo "(add-to-list 'load-path \"../\")" > script
210 ${EMACS} -batch -q --no-site-file --no-init-file -l script -f batch-byte-compile *.el
211 mv *.elc ..
212
213 cd ..
214 rm -fr ${tempdir}
215 fi 259 fi
260 einfo "Compiling GNU Emacs Elisp files ..."
261
262 tempdir=elc.$$
263 mkdir ${tempdir}
264 cp $* ${tempdir}
265 pushd ${tempdir}
266
267 echo "(add-to-list 'load-path \"../\")" > script
268 ${EMACS} -batch -q --no-site-file --no-init-file -l script \
269 -f batch-byte-compile *.el
270 local status=$?
271 mv *.elc ..
272
273 popd
274 rm -fr ${tempdir}
275 return ${status}
216} 276}

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