# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-visualization/gri/gri-2.12.23.ebuild,v 1.4 2011/08/12 20:42:47 mr_bones_ Exp $

EAPI=4

inherit eutils elisp-common

DESCRIPTION="Language for scientific graphics programming"
HOMEPAGE="http://gri.sourceforge.net/"
SRC_URI="mirror://sourceforge/${PN}/${P}.tar.gz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~ppc ~x86"
IUSE="doc emacs examples"

DEPEND=">=sci-libs/netcdf-4
	virtual/latex-base
	|| ( media-gfx/imagemagick[png] media-gfx/graphicsmagick[png] )
	app-text/ghostscript-gpl
	emacs? ( virtual/emacs )"
RDEPEND="${DEPEND}"

SITEFILE="50gri-gentoo.el"

src_prepare() {
	epatch "${FILESDIR}"/${PN}-2.12.18-postscript.patch
	# Makefile.am contains a call to the missing script that triggers gentoo qa
	sed -i -e 's|${SHELL} ../missing --run tex|tex|g' \
		doc/Makefile.in || die
}

src_compile() {
	VARTEXFONTS="${T}/fonts" emake
	use emacs && elisp-compile src/*.el
}

src_install() {
	default
	# license text not necessary
	rm "${ED}"/usr/share/gri/doc/license.txt || die

	# install target installs it always and in the wrong location
	# remove it here and call elisp-install in case of USE=emacs below
	rm -rf "${ED}"/usr/share/emacs || die

	if ! use doc; then
		sed -i -e "s/Manual at.*//" "${ED}"/usr/share/gri/startup.msg || die
		rm "${ED}"/usr/share/gri/doc/{cmd,}refcard.ps || die
		rm -rf "${ED}"/usr/share/gri/doc/html || die
	fi
	if ! use examples; then
		sed -i -e "s/Examples at.*//" "${ED}"/usr/share/gri/startup.msg || die
		rm -rf "${ED}"/usr/share/gri/doc/examples || die
	fi
	#move docs to the proper place
	use doc || use examples && \
		mv -f "${ED}"/usr/share/gri/doc/* "${ED}"/usr/share/doc/${PF}
	rm -rf "${ED}"/usr/share/gri/doc || die

	if use emacs; then
		cd src
		elisp-install ${PN} *.{el,elc}
		elisp-site-file-install "${FILESDIR}/${SITEFILE}"
	fi
}

pkg_postinst() {
	use emacs && elisp-site-regen
}

pkg_postrm() {
	use emacs && elisp-site-regen
}