# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header:$

inherit eutils
VER="MuPAD-3.1.1"
MY_P="mupad_linux_311"  # using .tgz file rather than .rpm; JJS 2/23/05

DESCRIPTION="MuPAD is an open computer algebra system"
SRC_URI="ftp://ftp.mupad.de/MuPAD/distrib/unix/${MY_P}.tgz"	
HOMEPAGE="http://research.mupad.de/home.html"
SLOT="0"
KEYWORDS="~x86"
LICENSE="mupad"
IUSE=""

DEPEND="virtual/libc
        !sci-mathematics/mupad-scilab"  # shouldn't have both mupad and mupad-scilab installed at the same time;  JJS 2/23/05
RDEPEND=">=dev-lang/tk-8.3"

src_unpack() {
	cd ${WORKDIR}
	tar -xzvf ${DISTDIR}/${A}
}

src_install() {
	dodir /opt/MuPAD
	mv ${WORKDIR}/* ${D}/opt/MuPAD/.

	cd ${D}/opt/MuPAD/share/bin
	FILES=$(ls -1)
	# hard-code mupad install directory in the run scripts
	for FILE in ${FILES}
	do
	  sed -i /SHARE_BIN=/,/export\ MuPAD_ROOT_PATH/d ${FILE}
	  sed -i s':# Special settings to run MuPAD without any local modifications:MuPAD_ROOT_PATH=/opt/MuPAD\
export MuPAD_ROOT_PATH:'g ${FILE}
	done

	dodir /opt/bin
	cd ${D}/opt/bin
	for FILE in ${FILES}
	do
		ln -s ../MuPAD/share/bin/${FILE} .
	done
}

pkg_postinst() {
		echo ""
		einfo "SOME IMPORTANT NOTES:"
		einfo ""
		einfo " - This version of MuPAD has does not have Scilab functionality"
		einfo "   integrated.  If you want Scilab integrated, emerge mupad-scilab"
		einfo ""
		einfo " - MuPAD is only free for non-commercial use.  Visit"
		einfo "   http://www.mupad.com/ for commercial downloads."
		einfo ""
		einfo " - In this non-commercial version, you must register to"
		einfo "   obtain a license key in order to deactivate the memory"
		einfo "   limit.  The memory limit prevents large calculations."
		einfo "   Read the documentation or visit"
		einfo ""
		einfo "       ${HOMEPAGE}"
		einfo ""
		einfo "   for more info."
		echo ""
}