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# Copyright 1999-2007 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/elisp-common.eclass,v 1.20 2007/04/29 12:59:39 ulm Exp $
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#
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# Copyright 2007 Hans de Graaff <graaff@gentoo.org>
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#
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# Based on elisp-common.eclass:
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# Copyright 2007 Christian Faulhammer <opfer@gentoo.org>
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# Copyright 2002-2004 Matthew Kennedy <mkennedy@gentoo.org>
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# Copyright 2004-2005 Mamoru Komachi <usata@gentoo.org>
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# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com>
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# Copyright 2007 Ulrich Mueller <ulm@gentoo.org>
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#
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# @ECLASS: xemacs-elisp-common.eclass
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# @MAINTAINER:
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# xemacs@gentoo.org
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# @BLURB: XEmacs-related installation utilities
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# @DESCRIPTION:
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#
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# Usually you want to use this eclass for (optional) XEmacs support of
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# your package. This is NOT for GNU Emacs!
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#
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# Many of the steps here are sometimes done by the build system of your
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# package (especially compilation), so this is mainly for standalone elisp
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# files you gathered from somewhere else.
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#
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# When relying on the xemacs USE flag, you need to add
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#
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# xemacs? ( virtual/xemacs )
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#
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# to your DEPEND/RDEPEND line and use the functions provided here to bring
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# the files to the correct locations.
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#
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# .SS
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# src_compile() usage:
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#
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# An elisp file is compiled by the xemacs-elisp-compile() function
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# defined here and simply takes the source files as arguments.
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#
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# xemacs-elisp-compile *.el
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#
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# In the case of interdependent elisp files, you can use the
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# xemacs-elisp-comp() function which makes sure all files are
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# loadable.
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#
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# xemacs-elisp-comp *.el
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#
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# Function xemacs-elisp-make-autoload-file() can be used to generate a
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# file with autoload definitions for the lisp functions. It takes a
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# list of directories (default: working directory) as its argument.
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# Use of this function requires that the elisp source files contain
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# magic ";;;###autoload" comments. See the XEmacs Lisp Reference Manual
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# (node "Autoload") for a detailed explanation.
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#
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# .SS
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# src_install() usage:
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#
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# The resulting compiled files (.elc) should be put in a subdirectory
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# of /usr/lib/xemacs/site-lisp/ which is named after the first
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# argument of xemacs-elisp-install(). The following parameters are
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# the files to be put in that directory. Usually the subdirectory
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# should be ${PN}, but you can choose something else.
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#
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# xemacs-elisp-install ${PN} *.el *.elc
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#
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SITEPACKAGE=/usr/lib/xemacs/site-packages
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XEMACS=/usr/bin/xemacs
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XEMACS_BATCH_CLEAN="${XEMACS} --batch --no-site-file --no-init-file"
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# @FUNCTION: xemacs-elisp-compile
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# @USAGE: <list of elisp files>
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# @DESCRIPTION:
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# Byte-compile elisp files with xemacs. This function will die when
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# there is a problem compiling the lisp files.
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xemacs-elisp-compile () {
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{
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${XEMACS_BATCH_CLEAN} -f batch-byte-compile "$@"
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xemacs-elisp-make-autoload-file "$@"
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} || die "Compile lisp files failed"
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}
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xemacs-elisp-make-autoload-file () {
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${XEMACS_BATCH_CLEAN} \
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-eval "(setq autoload-package-name \"${PN}\")" \
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-eval "(setq generated-autoload-file \"${S}/auto-autoloads.el\")" \
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-l autoload -f batch-update-autoloads "$@"
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}
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# @FUNCTION: xemacs-elisp-install
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# @USAGE: <subdirectory> <list of files>
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# @DESCRIPTION:
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# Install elisp source and byte-compiled files. All files are installed
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# in site-packages in their own directory, indicated by the first
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# argument to the function. This function will die if there is a problem
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# installing the list files.
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xemacs-elisp-install () {
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local subdir="$1"
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shift
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( # use sub-shell to avoid possible environment polution
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dodir "${SITEPACKAGE}"/lisp/"${subdir}"
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insinto "${SITEPACKAGE}"/lisp/"${subdir}"
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doins "$@"
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) || die "Installing lisp files failed"
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}
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# @FUNCTION: xemacs-elisp-comp
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# @USAGE: <list of elisp files>
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# @DESCRIPTION:
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# Byte-compile interdependent XEmacs lisp files.
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# Originally taken from GNU autotools, but some configuration options
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# removed as they don't make sense with the current status of XEmacs
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# in Gentoo.
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xemacs-elisp-comp() {
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# Copyright 1995 Free Software Foundation, Inc.
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# François Pinard <pinard@iro.umontreal.ca>, 1995.
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# This script byte-compiles all `.el' files which are part of its
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# arguments, using XEmacs, and put the resulting `.elc' files into
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# the current directory, so disregarding the original directories used
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# in `.el' arguments.
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#
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# This script manages in such a way that all XEmacs LISP files to
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# be compiled are made visible between themselves, in the event
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# they require or load-library one another.
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test $# -gt 0 || return 1
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einfo "Compiling XEmacs Elisp files ..."
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tempdir=elc.$$
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mkdir ${tempdir}
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cp "$@" ${tempdir}
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pushd ${tempdir}
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echo "(add-to-list 'load-path \"../\")" > script
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${XEMACS_BATCH_CLEAN} -l script -f batch-byte-compile *.el
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local ret=$?
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mv *.elc ..
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popd
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rm -fr ${tempdir}
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return ${ret}
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}
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