# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/tetex.eclass,v 1.48 2006/11/14 17:34:06 usata Exp $
#
# Author: Jaromir Malenko <malenko@email.cz>
# Author: Mamoru KOMACHI <usata@gentoo.org>
# Author: Martin Ehmsen <ehmsen@gentoo.org>
# Author: Alexandre Buisse <nattfodd@gentoo.org>
#
# A generic eclass to install tetex distributions. This shouldn't be
# inherited directly in any ebuilds. It should be inherited from
# tetex-{2,3}.eclass.

inherit eutils flag-o-matic toolchain-funcs

EXPORT_FUNCTIONS src_unpack src_compile src_install pkg_setup pkg_postinst

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

IUSE="X doc tk"

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}
	mirror://gentoo/tetex-${TETEX_PV}-gentoo.tar.gz
	http://dev.gentoo.org/~usata/distfiles/tetex-${TETEX_PV}-gentoo.tar.gz"

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

# tetex, ptex, cstetex must not block itself, fix for bug 121727
if [[ "${PN}" = "tetex" ]] ; then
	# >=app-text/ptex-3.1.9 work with app-text/tetex
	DEPEND="!<app-text/ptex-3.1.9
		!app-text/cstetex"
fi
if [[ "${PN}" = "ptex" ]] ; then
	# >=app-text/ptex-3.1.9 does not co-exist with tetex-2
	DEPEND="!<app-text/tetex-3
		!app-text/cstetex"
fi
if [[ "${PN}" = "cstetex" ]] ; then
	DEPEND="!app-text/ptex
		!app-text/tetex"
fi

DEPEND="${DEPEND}
	sys-apps/ed
	sys-libs/zlib
	X? ( || ( (
				x11-libs/libXmu
				x11-libs/libXp
				x11-libs/libXpm
				x11-libs/libICE
				x11-libs/libSM
				x11-libs/libXaw
				x11-libs/libXfont
			)
			virtual/x11
		)
	)
	>=media-libs/libpng-1.2.1
	sys-libs/ncurses
	>=net-libs/libwww-5.3.2-r1"
RDEPEND="${DEPEND}
	!app-text/dvipdfm
	!dev-tex/currvita
	!dev-tex/eurosym
	!dev-tex/extsizes
	>=dev-lang/perl-5.2
	tk? ( dev-perl/perl-tk )
	dev-util/dialog"
PROVIDE="virtual/tetex"

tetex_pkg_setup() {

	# hundreds of bugs reporting "cannot find -lmysqlclient" :(
	if ! has_version 'dev-db/mysql' && (libwww-config --libs | grep mysql >/dev/null 2>&1); then
		eerror
		eerror "Your libwww was compiled with MySQL but MySQL is missing from system."
		eerror "Please install MySQL or remerge libwww without mysql USE flag."
		eerror
		die "libwww was compiled with mysql but mysql is not installed"
	fi
}

tetex_src_unpack() {

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

	while [ "$1" ]; do
	case $1 in
		unpack)
			unpack ${TETEX_SRC}
			unpack tetex-${TETEX_PV}-gentoo.tar.gz

			mkdir ${S}/texmf; cd ${S}/texmf
			umask 022
			unpack ${TETEX_TEXMF}
			;;
		patch)
			# Do not run config. Also fix local texmf tree.
			cd ${S}
			for p in ${WORKDIR}/patches/* ; do
				epatch $p
			done

			if useq ppc-macos ; then
				sed -i -e "/^HOMETEXMF/s:\$HOME/texmf:\$HOME/Library/texmf:" ${S}/texk/kpathsea/texmf.in || die "sed texmf.in failed."
			fi
			;;
		all)
			tetex_src_unpack unpack patch
			;;
	esac
	shift
	done
}

tetex_src_compile() {

	# filter -Os; bug #74307.
	filter-flags "-fstack-protector" "-Os"

	einfo "Building teTeX"

	local xdvik

	if useq X ; then
		addwrite /var/cache/fonts
		xdvik="--with-xdvik --with-oxdvik"
		#xdvik="$xdvik --with-system-t1lib"
	else
		xdvik="--without-xdvik --without-oxdvik"
	fi

	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 \
		--without-texi2html \
		--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} \
		${TETEX_ECONF} || die

	if useq X && useq ppc-macos ; then
		for f in $(find ${S} -name config.status) ; do
			sed -i -e "s:-ldl::g" $f
		done
	fi

	emake -j1 CC="$(tc-getCC)" CXX="$(tc-getCXX)" texmf=${TEXMF_PATH:-/usr/share/texmf} || die "make teTeX failed"
}

tetex_src_install() {

	if [ -z "$1" ]; then
		tetex_src_install all
	fi

	while [ "$1" ]; do
	case $1 in
		base)
			dodir /usr/share/
			# Install texmf files
			einfo "Installing texmf ..."
			cp -Rv texmf ${D}/usr/share

			# Install teTeX files
			einfo "Installing teTeX ..."
			dodir ${TEXMF_PATH:-/usr/share/texmf}/web2c
			einstall bindir=${D}/usr/bin texmf=${D}${TEXMF_PATH:-/usr/share/texmf} || die

			dosbin ${T}/texmf-update
			;;
		doc)
			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*

			# move docs to /usr/share/doc/${PF}
			if useq doc ; then
				dodir /usr/share/doc/${PF}
				mv ${D}/usr/share/texmf/doc/* \
					${D}/usr/share/doc/${PF} \
					|| die "mv doc failed."
				cd ${D}/usr/share/texmf
				rmdir doc
				ln -s ../doc/${PF} doc \
					|| die "ln -s doc failed."
				cd -
			else
				rm -rf ${D}/usr/share/texmf/doc
			fi
			;;
		fixup)
			#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 lousy upstream permisssions on /usr/share/texmf files
			#NOTE: do not use fowners, as its not recursive ...
			einfo "Fixing permissions ..."
			# root group name doesn't exist on Mac OS X
			chown -R 0:0 ${D}/usr/share/texmf
			find ${D} -name "ls-R" -exec rm {} \;
			;;
		all)
			tetex_src_install base doc fixup
			;;
	esac
	shift
	done
}

tetex_pkg_postinst() {

	if [ "$ROOT" = "/" ] ; then
		/usr/sbin/texmf-update
	fi
	if [ -d "/etc/texmf" ] ; then
		einfo
		einfo "If you have configuration files in /etc/texmf to merge,"
		einfo "please update them and run /usr/sbin/texmf-update."
		einfo
	fi
}