/[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 1.22 2007/07/02 06:19:18 opfer 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
112SITELISP=/usr/share/emacs/site-lisp 124SITELISP=/usr/share/emacs/site-lisp
113 125
114elisp-compile() { 126elisp-compile() {
115 /usr/bin/emacs --batch -f batch-byte-compile --no-site-file --no-init-file $* 127 einfo "Compiling GNU Emacs Elisp files ..."
128 /usr/bin/emacs -batch -q --no-site-file -f batch-byte-compile $*
129}
130
131elisp-emacs-version() {
132 # Output version of currently active Emacs.
133 # The following will work for at least versions 18-22.
134 echo "(princ emacs-version)" >"${T}"/emacs-version.el
135 /usr/bin/emacs -batch -q --no-site-file -l "${T}"/emacs-version.el
116} 136}
117 137
118elisp-make-autoload-file () { 138elisp-make-autoload-file () {
119 local f="${1:-${PN}-autoloads.el}" 139 local f="${1:-${PN}-autoloads.el}"
120 shift 140 shift
121 echo >"${f}" 141 einfo "Generating autoload file for GNU Emacs ..."
142
143 sed 's/^FF/\f/' >"${f}" <<-EOF
144 ;;; ${f##*/} --- autoloads for ${P}
145
146 ;;; Commentary:
147 ;; Automatically generated by elisp-common.eclass
148 ;; DO NOT EDIT THIS FILE
149
150 ;;; Code:
151 FF
152 ;; Local Variables:
153 ;; version-control: never
154 ;; no-byte-compile: t
155 ;; no-update-autoloads: t
156 ;; End:
157 ;;; ${f##*/} ends here
158 EOF
159
122 emacs --batch -q --no-site-file \ 160 /usr/bin/emacs -batch -q --no-site-file \
123 --eval "(setq make-backup-files nil)" \ 161 --eval "(setq make-backup-files nil)" \
124 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \ 162 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \
125 -f batch-update-autoloads "${@-.}" 163 -f batch-update-autoloads "${@-.}"
126} 164}
127 165
128elisp-install() { 166elisp-install() {
129 local subdir=$1 167 local subdir=$1
168 einfo "Installing Elisp files for GNU Emacs support ..."
130 dodir "${SITELISP}/${subdir}" 169 dodir "${SITELISP}/${subdir}"
131 insinto "${SITELISP}/${subdir}" 170 insinto "${SITELISP}/${subdir}"
132 shift 171 shift
133 doins $@ 172 doins $@
134} 173}
135 174
136elisp-site-file-install() { 175elisp-site-file-install() {
137 local sitefile=$1 my_pn=${2:-${PN}} 176 local sitefile=$1 my_pn=${2:-${PN}}
177 einfo "Installing site initialisation file for GNU Emacs ..."
138 pushd "${S}" 178 pushd "${S}"
139 cp ${sitefile} "${T}" 179 cp ${sitefile} "${T}"
140 sed -i "s:@SITELISP@:${SITELISP}/${my_pn}:g" "${T}/$(basename ${sitefile})" 180 sed -i "s:@SITELISP@:${SITELISP}/${my_pn}:g" "${T}/$(basename ${sitefile})"
141 insinto ${SITELISP} 181 insinto ${SITELISP}
142 doins "${T}/$(basename ${sitefile})" || die "failed to install site file" 182 doins "${T}/$(basename ${sitefile})" || die "failed to install site file"
143 popd 183 popd
144} 184}
145 185
146elisp-site-regen() { 186elisp-site-regen() {
187 local sflist sf line
188
147 einfo "Regenerating ${SITELISP}/site-gentoo.el ..." 189 einfo "Regenerating ${SITELISP}/site-gentoo.el ..."
148 einfo ""
149 cat <<EOF >${ROOT}${SITELISP}/site-gentoo.el 190 cat <<EOF >"${T}"/site-gentoo.el
150;;; DO NOT EDIT THIS FILE -- IT IS GENERATED AUTOMATICALLY BY PORTAGE 191;;; DO NOT EDIT THIS FILE -- IT IS GENERATED AUTOMATICALLY BY PORTAGE
151;;; ----------------------------------------------------------------- 192;;; -----------------------------------------------------------------
152 193
153EOF 194EOF
154 for sf in ${ROOT}${SITELISP}/[0-9][0-9]*-gentoo.el 195 for sf in "${ROOT}${SITELISP}"/[0-9][0-9]*-gentoo.el
155 do 196 do
156 [ -r "${sf}" ] || continue 197 [ -r "${sf}" ] || continue
157 einfo " Adding $(basename ${sf}) ..." 198 sflist="${sflist} $(basename "${sf}")"
158 cat "${sf}" >>${ROOT}${SITELISP}/site-gentoo.el 199 cat "${sf}" >>"${T}"/site-gentoo.el
159 done 200 done
201
202 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${T}"/site-gentoo.el; then
203 # This prevents outputting unnecessary text when there
204 # was actually no change
205 # A case is a remerge where we have doubled output
206 einfo "... no changes"
207 else
208 mv -b "${T}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el
209 einfo ""
210 for sf in ${sflist}; do
211 einfo " Adding ${sf} ..."
212 done
160 while read line; do einfo "${line}"; done <<EOF 213 while read line; do einfo "${line}"; done <<EOF
161 214
162All site initialization for Gentoo-installed packages is now added to 215All 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 216/usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is no longer
164managed by Gentoo. You are responsible for all maintenance of 217managed by Gentoo. You are responsible for all maintenance of
165site-start.el if there is such a file. 218site-start.el if there is such a file.
172to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line 225to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line
173can be added by individual users to their initialization files, or for 226can be added by individual users to their initialization files, or for
174greater flexibility, users can select which of the package-specific 227greater flexibility, users can select which of the package-specific
175initialization files in /usr/share/emacs/site-lisp to load. 228initialization files in /usr/share/emacs/site-lisp to load.
176EOF 229EOF
177 echo 230 echo
231 fi
178} 232}
179 233
180# The following Emacs Lisp compilation routine is taken from GNU 234# The following Emacs Lisp compilation routine is taken from GNU
181# autotools. 235# autotools.
182 236
183elisp-comp() { 237elisp-comp() {
184# Copyright 1995 Free Software Foundation, Inc. 238 # Copyright 1995 Free Software Foundation, Inc.
185# Fran├žois Pinard <pinard@iro.umontreal.ca>, 1995. 239 # Fran├žois Pinard <pinard@iro.umontreal.ca>, 1995.
186# This script byte-compiles all `.el' files which are part of its 240 # This script byte-compiles all `.el' files which are part of its
187# arguments, using GNU Emacs, and put the resulting `.elc' files into 241 # arguments, using GNU Emacs, and put the resulting `.elc' files into
188# the current directory, so disregarding the original directories used 242 # the current directory, so disregarding the original directories used
189# in `.el' arguments. 243 # in `.el' arguments.
190# 244 #
191# This script manages in such a way that all Emacs LISP files to 245 # This script manages in such a way that all Emacs LISP files to
192# be compiled are made visible between themselves, in the event 246 # be compiled are made visible between themselves, in the event
193# they require or load-library one another. 247 # they require or load-library one another.
194 248
195 if test $# = 0; then 249 test $# -gt 0 || return 1
196 exit 1 250
197 else
198 if test -z "${EMACS}" || test "${EMACS}" = "t"; then 251 if test -z "${EMACS}" || test "${EMACS}" = "t"; then
199 # Value of "t" means we are running in a shell under Emacs. 252 # Value of "t" means we are running in a shell under Emacs.
200 # Just assume Emacs is called "emacs". 253 # Just assume Emacs is called "emacs".
201 EMACS=emacs 254 EMACS=/usr/bin/emacs
202 fi
203
204 tempdir=elc.$$
205 mkdir ${tempdir}
206 cp $* ${tempdir}
207 cd ${tempdir}
208
209 echo "(add-to-list 'load-path \"../\")" > script
210 ${EMACS} -batch -q --no-site-file --no-init-file -l script -f batch-byte-compile *.el
211 mv *.elc ..
212
213 cd ..
214 rm -fr ${tempdir}
215 fi 255 fi
256 einfo "Compiling GNU Emacs Elisp files ..."
257
258 tempdir=elc.$$
259 mkdir ${tempdir}
260 cp $* ${tempdir}
261 pushd ${tempdir}
262
263 echo "(add-to-list 'load-path \"../\")" > script
264 ${EMACS} -batch -q --no-site-file --no-init-file -l script \
265 -f batch-byte-compile *.el
266 local status=$?
267 mv *.elc ..
268
269 popd
270 rm -fr ${tempdir}
271 return ${status}
216} 272}

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