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+# Copyright 1999-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sci-mathematics/reduce/reduce-20101007.ebuild,v 1.1 2011/01/05 11:40:19 grozin Exp $
+EAPI="2"
+inherit elisp-common
+MY_PN=${PN}-algebra
+MY_P=${MY_PN}-${PV}
+
+DESCRIPTION="A general-purpose computer algebra system"
+HOMEPAGE="http://reduce-algebra.sourceforge.net/
+	http://reduce-algebra.com/"
+IUSE="doc emacs gnuplot X"
+SRC_URI="mirror://sourceforge/${MY_PN}/${MY_P}.tar.bz2"
+LICENSE="BSD-2 X? ( LGPL-2.1 )"
+SLOT="0"
+KEYWORDS="~x86"
+
+RDEPEND="X? ( x11-libs/libXrandr
+		x11-libs/libXcursor
+		x11-libs/libXft )
+	gnuplot? ( sci-visualization/gnuplot )
+	emacs? ( virtual/emacs )"
+DEPEND="${RDEPEND}"
+
+S="${WORKDIR}/${MY_P}"
+
+src_configure() {
+	# If you pass --prefix to this damn configure,
+	# make (not make install!) will try to install stuff
+	# into the live file system => sandbox violation
+	# Therefore, I cannot use econf here
+	# Also, make calls configure in maintainer mode in subdirs *by design*
+	# The trunk sucks less => WONTFIX until the next release
+	./configure --with-csl $(use_with X fox)
+	# psl build requires Internet connection at build time
+	# we cannot support it
+}
+
+src_compile() {
+	default_src_compile
+
+	pushd cslbuild/*/csl/reduce.doc > /dev/null
+	rm -f *.txt *.tex
+	popd > /dev/null
+
+	if use emacs; then
+		einfo "Compiling emacs lisp files"
+		elisp-compile generic/emacs/*.el || die "elisp-compile failed"
+	fi
+}
+
+src_test() {
+	emake testall || die "emake testall failed"
+}
+
+src_install() {
+	pushd cslbuild/*/csl > /dev/null
+	exeinto /usr/lib/${PN}
+	doexe reduce
+	insinto /usr/lib/${PN}
+	doins reduce.img
+	doins -r reduce.doc
+	if use X; then
+		doins -r reduce.fonts
+	fi
+	popd > /dev/null
+	exeinto /usr/bin
+	doexe "${FILESDIR}/reduce"
+	dodoc README BUILDING DEPENDENCY_TRACKING
+	dosym /usr/lib/${PN}/${PN}.doc /usr/share/doc/${PF}/html
+
+	if use doc; then
+		insinto /usr/share/doc/${PF}
+		doins -r doc/*
+	fi
+
+	if use emacs; then
+		pushd generic/emacs > /dev/null
+		elisp-install ${PN} *.el *.elc || die "elisp-install failed"
+		elisp-site-file-install "${FILESDIR}/64${PN}-gentoo.el"
+		popd > /dev/null
+	fi
+}