# Copyright 1999-2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: $

VENDOR_P=Scilab-3.0-RC1

DESCRIPTION="Scientific software package for numerical computations, Matlab lookalike"
SRC_URI="ftp://ftp.inria.fr/INRIA/Scilab/release_candidate/${VENDOR_P}.src.tar.gz"
HOMEPAGE="http://www.scilab.org/"

LICENSE="scilab"
SLOT="0"
KEYWORDS="~x86"
IUSE="tcltk atlas gtk"

RDEPEND="virtual/x11
	x11-libs/Xaw3d
	sys-libs/ncurses
	tcltk? ( dev-lang/tk )
	atlas? ( dev-libs/atlas )
	gtk? ( =x11-libs/gtk+-1.2*
		>=gnome-base/gnome-libs-1.4.2
		=dev-libs/glib-2.2
		media-libs/jpeg
		media-libs/libpng
		sys-libs/zlib )"

DEPEND="app-text/sablotron"

pkg_setup() {

	local BAD_VERSION
	BAD_VERSION="ls -l $(which scilab 2> /dev/null) | grep -e 2.6/ -e 2.7/ -e 2.7-r1/"
	if [ -e "${BAD_VERSION}" ]; then
		ewarn "It appears that your installation has been emerged with ebuilds"
		ewarn "that are now known to cause problems when updating."
		ewarn "The concerned Scilab ebuilds are 2.6, 2.7 and 2.7-r1."
		ewarn "Specifically, they have a wicked pkg_postrm()."
		ewarn "To install properly, remove the current installation manually with"
		ewarn
		ewarn "emerge -C scilab"
		ewarn
		ewarn "before proceeding as normal. If should not work, try manually"
		ewarn "removing the link /usr/bin/scilab or the program folder:"
		ewarn
		ewarn "rm -f /usr/bin/scilab"
		ewarn "rm -rf /usr/lib/scilab*"
		ewarn
		die
	fi

}

src_unpack() {

	unpack ${A}
	cd ${WORKDIR}
	# Patch by Stephane Mottelet to use scilab from the command line
	# without losing functionality.
	epatch ${FILESDIR}/nc.patch
	mv ${VENDOR_P} ${P}		# This makes everything sooo much tidier.

}

src_compile() {

	local myopts

	use tcltk || myopts="${myopts} --without-tk"
	use atlas && myopts="${myopts} --with-atlas-library=/usr/lib"
	use gtk && myopts="${myopts} --with-gtk" || myopts="${myopts} --without-gtk"

	econf ${myopts} || die "./configure failed"
	env HOME=${S} make all || die "make all failed"

}

src_install() {

	# These instructions come from the file ${P}/Makefile, mostly section install.
	# Make sure files have not been removed added to these list when you use
	# this ebuild as a template for future versions.

	PVMBINDISTFILES="\
		${P}/pvm3/Readme \
		${P}/pvm3/lib/pvm \
		${P}/pvm3/lib/pvmd \
		${P}/pvm3/lib/pvmtmparch \
		${P}/pvm3/lib/pvmgetarch \
		${P}/pvm3/lib/LINUX/pvmd3 \
		${P}/pvm3/lib/LINUX/pvmgs \
		${P}/pvm3/lib/LINUX/pvm \
		${P}/pvm3/bin/LINUX/*"

	BINDISTFILES="\
		${P}/.binary \
		${P}/.pvmd.conf \
		${P}/ACKNOWLEDGEMENTS \
		${P}/CHANGES \
		${P}/Makefile \
		${P}/Makefile.OBJ \
		${P}/Makefile.incl \
		${P}/Makemex \
		${P}/Path.incl \
		${P}/README_Unix \
		${P}/Version.incl \
		${P}/configure \
		${P}/libtool \
		${P}/license.txt \
		${P}/licence.txt \
		${P}/scilab.quit \
		${P}/scilab.star \
		${P}/X11_defaults \
		${P}/bin \
		${P}/config \
		${P}/contrib \
		${P}/demos \
		${P}/examples \
		${P}/imp/NperiPos.ps \
		${P}/imp/giffonts \
		${P}/macros \
		${P}/man/eng/ \
		${P}/man/fr/ \
		${P}/man/*.dtd \
		${P}/man/*/*.xsl \
		${P}/maple \
		${P}/routines/*.h \
		${P}/routines/Make.lib \
		${P}/routines/default/FCreate \
		${P}/routines/default/Flist \
		${P}/routines/default/README \
		${P}/routines/default/fundef \
		${P}/routines/default/*.c \
		${P}/routines/default/*.f \
		${P}/routines/default/*.h \
		${P}/routines/graphics/Math.h \
		${P}/routines/graphics/Graphics.h \
		${P}/routines/graphics/Entities.h \
		${P}/routines/interf/*.h \
		${P}/routines/intersci/sparse.h \
		${P}/routines/menusX/*.h \
		${P}/routines/scicos/scicos.h \
		${P}/routines/scicos/scicos_block.h \
		${P}/routines/sun/*.h \
		${P}/routines/xsci/*.h \
		${P}/scripts \
		${P}/tcl \
		${P}/tests \
		${P}/util"

	touch .binary
	strip bin/scilex
	cd ${S}/tests && make distclean
	cd ${S}/examples && make distclean
	cd ${S}/man && make man
	
	dodir /usr/lib
	(cd ${S}/.. && tar cf - ${BINDISTFILES} ${PVMBINDISTFILES} | (cd ${D}/usr/lib; tar xf -))
	rm .binary

	dodir /usr/bin
	dosym /usr/lib/${P}/bin/scilab /usr/bin/scilab
	dosym /usr/lib/${P}/bin/intersci /usr/bin/intersci
	dosym /usr/lib/${P}/bin/intersci-n /usr/bin/intersci-n

}

pkg_preinst() {

	# The compilate and install process causes the work folder to be registered
	# as the runtime folder in the launch script. This is corrected here.
	BAD_LINE=SCI\=\"${WORKDIR}/${P}\"
	FIXED_LINE=SCI\=\"/usr/lib/${P}\"
	sed -i -e "s#${BAD_LINE}#${FIXED_LINE}#" ${D}/usr/lib/${P}/bin/scilab
}

pkg_postinst() {

	einfo
	einfo "To tell Scilab about your printers, set the environment"
	einfo "variable PRINTERS in the form:"
	einfo
	einfo "PRINTERS = \"firstPrinter:secondPrinter:anotherPrinter\""
	einfo
}