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# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-mathematics/maxima/maxima-5.9.1-r2.ebuild,v 1.1 2005/04/17 18:34:42 ribosome Exp $

inherit eutils elisp-common

DESCRIPTION="Free computer algebra environment, based on Macsyma"
HOMEPAGE="http://maxima.sourceforge.net/"
SRC_URI="mirror://sourceforge/maxima/${P}.tar.gz"

LICENSE="GPL-2 AECA"
SLOT="0"
KEYWORDS="~x86"
IUSE="cmucl clisp gcl sbcl tetex emacs auctex"

DEPEND="tetex? ( virtual/tetex )
	emacs? ( virtual/emacs )
	auctex? ( app-emacs/auctex )
	>=sys-apps/texinfo-4.3
	x86? ( !clisp?  ( !sbcl? ( !gcl? ( !cmucl? ( dev-lisp/cmucl ) ) ) ) )
	clisp? ( >=dev-lisp/clisp-2.33.2-r1 )
	x86? ( cmucl? ( >=dev-lisp/cmucl-19a ) )
	x86? ( gcl?   ( >=dev-lisp/gcl-2.6.4 ) )
	x86? ( sbcl?  ( >=dev-lisp/sbcl-0.8.14 ) )"
RDEPEND=">=dev-lang/tk-8.3.3
	 >=media-gfx/gnuplot-4.0-r1"

src_unpack() {
	unpack ${A}
	cd ${S}/interfaces/emacs/emaxima
	epatch ${FILESDIR}/maxima-emacs.patch
}

src_compile() {
	local myconf=""
	if use cmucl || use clisp || use gcl || use sbcl; then
		if use cmucl; then
			myconf="${myconf} --enable-cmucl"
		fi
		if use clisp; then
			myconf="${myconf} --enable-clisp"
		fi
		if use gcl; then
			ewarn "Important - GCL must be installed with"
			ewarn "ANSI support.  Otherwise this build will"
			ewarn "fail.  To check this, start gcl and look"
			ewarn "for a header like the following:"
			ewarn "GCL (GNU Common Lisp)  2.6.5 ANSI"
			ewarn "If you see CtL1 where ANSI is, then you"
			ewarn "need to emerge gcl using something like"
			ewarn "USE=\"ansi\" emerge gcl"
			myconf="${myconf} --enable-gcl"
		fi
		if use sbcl; then
			myconf="${myconf} --enable-sbcl"
		fi
	else
		myconf="${myconf} --enable-cmucl"
	fi

	./configure --prefix=/usr ${myconf} || die
	emake || die
}

src_install() {
	make DESTDIR=${D} install || die
	if use emacs
	then
		elisp-site-file-install ${FILESDIR}/50maxima-gentoo.el
	fi
	if use tetex
	then
		insinto /usr/share/texmf/tex/latex/emaxima
		doins ${S}/interfaces/emacs/emaxima/emaxima.sty
	fi

	# Install documentation.
	insinto /usr/share/${PN}/${PV}/doc
	doins AUTHORS ChangeLog COPYING NEWS README*
	dodir /usr/share/doc
	dosym /usr/share/${PN}/${PV}/doc /usr/share/doc/${PF}
}

pkg_postinst() {
	if use emacs
	then
		einfo "Running elisp-site-regen...."
		elisp-site-regen
	fi
	if use tetex
	then
		einfo "Running mktexlsr to rebuild ls-R database...."
		mktexlsr
	fi
}

pkg_postrm() {
	if use emacs
	then
		einfo "Running elisp-site-regen...."
		elisp-site-regen
	fi
}