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diff --git a/sci-mathematics/maxima/maxima-5.9.1-r1.ebuild b/sci-mathematics/maxima/maxima-5.9.1-r1.ebuild
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+# Copyright 1999-2004 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-r1.ebuild,v 1.1 2004/12/28 14:38:51 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
+	#move docs to the appropriate place
+	dodoc AUTHORS ChangeLog COPYING NEWS README*
+	mv ${D}/usr/share/${PN}/${PV}/doc/* ${D}/usr/share/doc/${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
+}