--- /dev/null
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+inherit autotools elisp-common eutils
+
+DESCRIPTION="Free computer algebra environment based on Macsyma"
+HOMEPAGE="http://maxima.sourceforge.net/"
+SRC_URI="mirror://sourceforge/${PN}/${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~ppc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos"
+
+# Supported lisps
+LISPS=( sbcl cmucl gcl ecls clozurecl clisp )
+# <lisp> supports readline: . - no, y - yes
+SUPP_RL=( . . y . . y )
+# . - just --enable-<lisp>, <flag> - --enable-<flag>
+CONF_FLAG=( . . . ecl ccl . )
+# patch file version; . - no patch
+PATCH_V=( 1 1 . 2 2 1 )
+
+IUSE="latex emacs tk nls unicode xemacs X ${LISPS[*]}"
+
+# Languages
+LANGS="es pt pt_BR"
+for lang in ${LANGS}; do
+ IUSE="${IUSE} linguas_${lang}"
+done
+
+RDEPEND="X? ( x11-misc/xdg-utils
+ sci-visualization/gnuplot[gd]
+ tk? ( dev-lang/tk:0 ) )
+ latex? ( virtual/latex-base )
+ emacs? ( virtual/emacs
+ latex? ( app-emacs/auctex ) )
+ xemacs? ( app-editors/xemacs
+ latex? ( app-emacs/auctex ) )"
+
+PDEPEND="emacs? ( app-emacs/imaxima )"
+
+# generating lisp dependencies
+depends() {
+ local LISP DEP
+ LISP=${LISPS[$1]}
+ DEP="dev-lisp/${LISP}:="
+ if [ "${SUPP_RL[$1]}" = "." ]; then
+ DEP="${DEP} app-misc/rlwrap"
+ fi
+ echo ${DEP}
+}
+
+n=${#LISPS[*]}
+for ((n--; n >= 0; n--)); do
+ LISP=${LISPS[${n}]}
+ RDEPEND="${RDEPEND} ${LISP}? ( $(depends ${n}) )"
+ if (( ${n} > 0 )); then
+ DEF_DEP="${DEF_DEP} !${LISP}? ( "
+ fi
+done
+
+# default lisp
+if use arm; then
+ DEF_LISP=2 # gcl
+else
+ DEF_LISP=0 # sbcl
+fi
+
+DEF_DEP="${DEF_DEP} `depends ${DEF_LISP}`"
+
+n=${#LISPS[*]}
+for ((n--; n > 0; n--)); do
+ DEF_DEP="${DEF_DEP} )"
+done
+
+unset LISP
+
+RDEPEND="${RDEPEND}
+ ${DEF_DEP}"
+
+DEPEND="${RDEPEND}
+ sys-apps/texinfo"
+
+TEXMF="${EPREFIX}"/usr/share/texmf-site
+
+pkg_setup() {
+ local n=${#LISPS[*]}
+
+ for ((n--; n >= 0; n--)); do
+ use ${LISPS[${n}]} && NLISPS="${NLISPS} ${n}"
+ done
+
+ if [ -z "${NLISPS}" ]; then
+ ewarn "No lisp specified in USE flags, choosing ${LISPS[${DEF_LISP}]} as default"
+ NLISPS=${DEF_LISP}
+ fi
+}
+
+src_prepare() {
+ local n PATCHES v
+ PATCHES=( imaxima-0 rmaxima-0 wish-1 xdg-utils-0 db-0 )
+
+ n=${#PATCHES[*]}
+ for ((n--; n >= 0; n--)); do
+ epatch "${FILESDIR}"/${PATCHES[${n}]}.patch
+ done
+
+ n=${#LISPS[*]}
+ for ((n--; n >= 0; n--)); do
+ v=${PATCH_V[${n}]}
+ if [ "${v}" != "." ]; then
+ epatch "${FILESDIR}"/${LISPS[${n}]}-${v}.patch
+ fi
+ done
+
+ # bug #343331
+ rm share/Makefile.in || die
+ rm src/Makefile.in || die
+ touch src/*.mk
+ touch src/Makefile.am
+ eautoreconf
+}
+
+src_configure() {
+ local CONFS CONF n lang
+ for n in ${NLISPS}; do
+ CONF=${CONF_FLAG[${n}]}
+ if [ ${CONF} = . ]; then
+ CONF=${LISPS[${n}]}
+ fi
+ CONFS="${CONFS} --enable-${CONF}"
+ done
+
+ # enable existing translated doc
+ if use nls; then
+ for lang in ${LANGS}; do
+ if use "linguas_${lang}"; then
+ CONFS="${CONFS} --enable-lang-${lang}"
+ use unicode && CONFS="${CONFS} --enable-lang-${lang}-utf8"
+ fi
+ done
+ fi
+
+ econf ${CONFS} $(use_with tk wish) --with-lispdir="${EPREFIX}/${SITELISP}"/${PN}
+}
+
+src_install() {
+ docompress -x /usr/share/info
+ emake DESTDIR="${D}" emacsdir="${EPREFIX}/${SITELISP}/${PN}" install
+
+ use tk && make_desktop_entry xmaxima xmaxima \
+ /usr/share/${PN}/${PV}/xmaxima/maxima-new.png \
+ "Science;Math;Education"
+
+ if use latex; then
+ insinto ${TEXMF}/tex/latex/emaxima
+ doins interfaces/emacs/emaxima/emaxima.sty
+ fi
+
+ # do not use dodoc because interfaces can't read compressed files
+ # read COPYING before attempt to remove it from dodoc
+ insinto /usr/share/${PN}/${PV}/doc
+ doins AUTHORS COPYING README README.lisps || die
+ dodir /usr/share/doc
+ dosym ../${PN}/${PV}/doc /usr/share/doc/${PF} || die
+
+ if use emacs; then
+ elisp-site-file-install "${FILESDIR}"/50maxima-gentoo.el || die
+ fi
+
+ # if we use ecls, build an ecls library for maxima
+ if use ecls; then
+ ECLLIB=`ecl -eval "(princ (SI:GET-LIBRARY-PATHNAME))" -eval "(quit)"`
+ insinto "${ECLLIB#${EPREFIX}}"
+ doins src/binary-ecl/maxima.fas
+ fi
+}
+
+pkg_postinst() {
+ use emacs && elisp-site-regen
+ use latex && mktexlsr
+}
+
+pkg_postrm() {
+ use emacs && elisp-site-regen
+ use latex && mktexlsr
+}