# Copyright 1999-2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/tetex.eclass,v 1.10 2004/06/04 18:29:08 usata Exp $
#
# Author: Jaromir Malenko <malenko@email.cz>
# Author: Mamoru KOMACHI <usata@gentoo.org>
#
# A generic eclass to install tetex distributions.

inherit alternatives eutils flag-o-matic

ECLASS=tetex
INHERITED="${INHERITED} ${ECLASS}"
EXPORT_FUNCTIONS src_unpack src_compile src_install pkg_preinst pkg_postinst

if [ -z "${TETEX_PV}" ] ; then
	TETEX_PV=${PV}
fi

IUSE="X"

S=${WORKDIR}/tetex-src-${TETEX_PV}
TETEX_SRC="tetex-src-${TETEX_PV}.tar.gz"
TETEX_TEXMF="tetex-texmf-${TETEX_PV}.tar.gz"
TETEX_TEXMF_SRC="tetex-texmfsrc-${TETEX_PV}.tar.gz"

DESCRIPTION="a complete TeX distribution"
HOMEPAGE="http://tug.org/teTeX/"
SRC_PATH_TETEX=ftp://cam.ctan.org/tex-archive/systems/unix/teTeX/2.0/distrib
SRC_URI="${SRC_PATH_TETEX}/${TETEX_SRC}
	${SRC_PATH_TETEX}/${TETEX_TEXMF}
	${SRC_PATH_TETEX}/${TETEX_TEXMF_SRC}"

SLOT="0"
LICENSE="GPL-2"
KEYWORDS="~ia64 ~x86 ~ppc ~sparc ~alpha ~amd64"

DEPEND="!app-text/tetex
	!app-text/ptex
	!app-text/cstetex
	sys-apps/ed
	sys-libs/zlib
	X? ( virtual/x11 )
	>=media-libs/libpng-1.2.1
	sys-libs/ncurses
	>=net-libs/libwww-5.3.2-r1"
RDEPEND="${DEPEND}
	!app-text/dvipdfm
	>=dev-lang/perl-5.2
	dev-util/dialog"
PROVIDE="virtual/tetex"

tetex_src_unpack() {

	[ -z "$1" ] && tetex_src_unpack all

	while [ "$1" ]; do
    	case $1 in
    		unpack)
			unpack ${TETEX_SRC}

			mkdir ${S}/texmf; cd ${S}/texmf
			umask 022
			unpack ${TETEX_TEXMF_SRC}
			unpack ${TETEX_TEXMF}
			;;
    		patch)
			# Do not run config. Also fix local texmf tree.
			cd ${S}
			epatch ${FILESDIR}/../../tetex/files/tetex-${TETEX_PV}-dont-run-config.diff
			epatch ${FILESDIR}/../../tetex/files/tetex-${TETEX_PV}.diff

			# fix up misplaced listings.sty in the 2.0.2 archive. 
			# this should be fixed in the next release <obz@gentoo.org>
			mv texmf/source/latex/listings/listings.sty texmf/tex/latex/listings/

			# need to fix up the hyperref driver, see bug #31967
			sed -i -e "/providecommand/s/hdvips/hypertex/" \
				${S}/texmf/tex/latex/config/hyperref.cfg
			;;
    		all)
    			tetex_src_unpack unpack patch
			;;
    	esac
    	shift
    done
}

tetex_src_compile() {

	filter-flags "-fstack-protector"

	local xdvik

	if [ "${P%%-*}" = "ptex" ] ; then
		xdvik="--without-xdvik"
	else
		xdvik="--with-xdvik"
	fi

	einfo "Building teTeX"

	econf --bindir=/usr/bin \
		--datadir=${S} \
		--with-system-wwwlib \
		--with-libwww-include=/usr/include/w3c-libwww \
		--with-system-ncurses \
		--with-system-pnglib \
		--without-texinfo \
		--without-dialog \
		--with-system-zlib \
		--disable-multiplatform \
		--with-epsfwin \
		--with-mftalkwin \
		--with-regiswin \
		--with-tektronixwin \
		--with-unitermwin \
		--with-ps=gs \
		--enable-ipc \
		--with-etex \
		`use_with X x` \
		${xdvik} \
		${myconf} || die

	make texmf=/usr/share/texmf || die "make teTeX failed"
}

tetex_src_install() {

	dodir /usr/share/
	# Install texmf files
	einfo "Installing texmf..."
	cp -Rv texmf ${D}/usr/share

	# Install teTeX files
	einfo "Installing teTeX..."
	einstall bindir=${D}/usr/bin texmf=${D}/usr/share/texmf || die

	dodoc PROBLEMS README
	docinto texk
	dodoc texk/ChangeLog texk/README
	docinto kpathesa
	cd ${S}/texk/kpathsea
	dodoc README* NEWS PROJECTS HIER
	docinto dviljk
	cd ${S}/texk/dviljk
	dodoc AUTHORS README NEWS
	docinto dvipsk
	cd ${S}/texk/dvipsk
	dodoc AUTHORS ChangeLog INSTALLATION README
	docinto makeindexk
	cd ${S}/texk/makeindexk
	dodoc CONTRIB COPYING NEWS NOTES PORTING README
	docinto ps2pkm
	cd ${S}/texk/ps2pkm
	dodoc ChangeLog CHANGES.type1 INSTALLATION README*
	docinto web2c
	cd ${S}/texk/web2c
	dodoc AUTHORS ChangeLog NEWS PROJECTS README
	#docinto xdvik
	#cd ${S}/texk/xdvik
	#dodoc BUGS FAQ README*

	#fix for conflicting readlink binary:
	rm -f ${D}/bin/readlink
	rm -f ${D}/usr/bin/readlink
	#add /var/cache/fonts directory
	dodir /var/cache/fonts

	#fix for cnflicting texi2html perl script:
	local texi2html_PV
	texi2html_PV=`grep '^\$THISVERSION' ${D}/usr/bin/texi2html | cut -d'"' -f2`
	mv ${D}/usr/bin/texi2html ${D}/usr/bin/texi2html-${texi2html_PV}

	#fix for lousy upstream permisssions on /usr/share/texmf files
	#NOTE: do not use fowners, as its not recursive ...
	einfo "Fixing permissions..."
	chown -R root:root ${D}/usr/share/texmf
	dodir /etc/env.d/
	echo 'CONFIG_PROTECT="/usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/xdvi/"' > ${D}/etc/env.d/98tetex

	#fix for texlinks
	local src dst
	sed -e '/^#/d' -e '/^$/d' -e 's/^ *//' \
		${D}/usr/share/texmf/web2c/fmtutil.cnf > ${T}/fmtutil.cnf || die
	while read l; do
		dst=/usr/bin/`echo $l | awk '{ print $1 }'`
		src=/usr/bin/`echo $l | awk '{ print $2 }'`
		if [ ! -f ${D}$dst -a "$dst" != "$src" ] ; then
			einfo "Making symlinks from $src to $dst"
			dosym $src $dst
		fi
	done < ${T}/fmtutil.cnf
}

tetex_pkg_preinst() {

	if [ -d "/usr/share/texmf/dvipdfm/config" ]
	then
		ewarn "Removing /usr/share/texmf/dvipdfm/config/"
		rm -rf /usr/share/texmf/dvipdfm/config
	fi

	# Let's take care of config protecting.
	einfo "Here I am!"
}

tetex_pkg_postinst() {

	if [ -z "$1" ]; then
		tetex_pkg_postinst all
		alternatives_auto_makesym "/usr/bin/texi2html" "/usr/bin/texi2html-*"	
	fi

	while [ "$1" ]; do
    	case $1 in
    		configure)
			if [ $ROOT = "/" ]
			then
				einfo "Configuring teTeX..."
				mktexlsr &>/dev/null
				texconfig init &>/dev/null
				texconfig confall &>/dev/null
				texconfig font rw &>/dev/null
				texconfig font vardir /var/cache/fonts &>/dev/null
				texconfig font options varfonts &>/dev/null
				updmap &>/dev/null
			fi
			;;
    		generate)
			if [ $ROOT = "/" ]
			then
				einfo "Generating format files..."
				fmtutil --missing &>/dev/null
				einfo
				einfo "Use 'texconfig font ro' to disable font generation for users"
				einfo
			fi
			;;
    		all)
    			tetex_pkg_postinst configure generate
			;;
	esac
	shift
	done
}