# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-text/ghostscript-gpl/ghostscript-gpl-9.05-r2.ebuild,v 1.3 2012/06/02 08:08:27 zmedico Exp $

EAPI=3

inherit autotools eutils multilib versionator flag-o-matic toolchain-funcs

DESCRIPTION="Ghostscript is an interpreter for the PostScript language and for PDF"
HOMEPAGE="http://ghostscript.com/"

MY_P=${P/-gpl}
GSDJVU_PV=1.5
PVM=$(get_version_component_range 1-2)
SRC_URI="
	mirror://sourceforge/ghostscript/${MY_P}.tar.bz2
	mirror://gentoo/${P}-patchset-2.tar.bz2
	!bindist? ( djvu? ( mirror://sourceforge/djvu/gsdjvu-${GSDJVU_PV}.tar.gz ) )"

LICENSE="GPL-3 CPL-1.0"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~sparc-fbsd ~x86-fbsd"
IUSE="bindist cups dbus djvu gtk idn jpeg2k linguas_de static-libs X"

COMMON_DEPEND="
	app-text/libpaper
	media-libs/fontconfig
	>=media-libs/freetype-2.4.2:2
	media-libs/jbig2dec
	media-libs/lcms:2
	media-libs/libpng:0
	media-libs/tiff:0
	>=sys-libs/zlib-1.2.3
	virtual/jpeg
	!bindist? ( djvu? ( app-text/djvu ) )
	cups? ( >=net-print/cups-1.3.8 )
	dbus? ( sys-apps/dbus )
	gtk? ( x11-libs/gtk+:2 )
	idn? ( net-dns/libidn )
	jpeg2k? ( media-libs/jasper )
	X? ( x11-libs/libXt x11-libs/libXext )"

DEPEND="${COMMON_DEPEND}
	virtual/pkgconfig"

RDEPEND="${COMMON_DEPEND}
	>=app-text/poppler-data-0.4.5-r1
	>=media-fonts/urw-fonts-2.4.9
	linguas_ja? ( media-fonts/kochi-substitute )
	linguas_ko? ( media-fonts/baekmuk-fonts )
	linguas_zh_CN? ( media-fonts/arphicfonts )
	linguas_zh_TW? ( media-fonts/arphicfonts )
	!!media-fonts/gnu-gs-fonts-std
	!!media-fonts/gnu-gs-fonts-other
"

S="${WORKDIR}/${MY_P}"

LANGS="ja ko zh_CN zh_TW"
for X in ${LANGS} ; do
	IUSE="${IUSE} linguas_${X}"
done

pkg_setup() {
	if use bindist && use djvu; then
		ewarn "You have bindist in your USE, djvu support will NOT be compiled!"
		ewarn "See http://djvu.sourceforge.net/gsdjvu/COPYING for details on licensing issues."
	fi
}

src_prepare() {
	# remove internal copies of various libraries
	rm -rf "${S}"/expat
	rm -rf "${S}"/freetype
	rm -rf "${S}"/jasper
	rm -rf "${S}"/jbig2dec
	rm -rf "${S}"/jpeg
	rm -rf "${S}"/lcms{,2}
	rm -rf "${S}"/libpng
	rm -rf "${S}"/openjpeg
	rm -rf "${S}"/tiff
	rm -rf "${S}"/zlib
	# remove internal urw-fonts
	rm -rf "${S}"/Resource/Font
	# remove internal CMaps (CMaps from poppler-data are used instead)
	rm -rf "${S}"/Resource/CMap

	# apply various patches, many borrowed from Fedora
	# http://pkgs.fedoraproject.org/gitweb/?p=ghostscript.git
	EPATCH_SUFFIX="patch" EPATCH_FORCE="yes"
	EPATCH_SOURCE="${WORKDIR}/patches/"
	epatch
	
	if ! use bindist && use djvu ; then
		unpack gsdjvu-${GSDJVU_PV}.tar.gz
		cp gsdjvu-${GSDJVU_PV}/gsdjvu "${S}"
		cp gsdjvu-${GSDJVU_PV}/gdevdjvu.c "${S}/base"
		epatch "${WORKDIR}/patches-gsdjvu/gsdjvu-1.3-${PN}-8.64.patch"
		epatch "${WORKDIR}/patches-gsdjvu/gsdjvu-1.5-${PN}-9.05.patch"
		cp gsdjvu-${GSDJVU_PV}/ps2utf8.ps "${S}/lib"
		cp "${S}/base/contrib.mak" "${S}/base/contrib.mak.gsdjvu"
		grep -q djvusep "${S}/base/contrib.mak" || \
			cat gsdjvu-${GSDJVU_PV}/gsdjvu.mak >> "${S}/base/contrib.mak"

		# install ps2utf8.ps, bug #197818
		sed -i -e '/$(EXTRA_INIT_FILES)/ a\ps2utf8.ps \\' "${S}/base/unixinst.mak" \
			|| die "sed failed"
	fi

	if ! use gtk ; then
		sed -i "s:\$(GSSOX)::" base/*.mak || die "gsx sed failed"
		sed -i "s:.*\$(GSSOX_XENAME)$::" base/*.mak || die "gsxso sed failed"
	fi

	# search path fix
	sed -i -e "s:\$\(gsdatadir\)/lib:/usr/share/ghostscript/${PVM}/$(get_libdir):" \
		-e "s:exdir=.*:exdir=/usr/share/doc/${PF}/examples:" \
		-e "s:docdir=.*:docdir=/usr/share/doc/${PF}/html:" \
		-e "s:GS_DOCDIR=.*:GS_DOCDIR=/usr/share/doc/${PF}/html:" \
		-e 's:-L$(BINDIR):$(LDFLAGS) &:g' \
		base/Makefile.in base/*.mak || die "sed failed"

	cd "${S}"
	eautoreconf
	
	epatch "${FILESDIR}/${P}-bigendian.patch"

	cd "${S}/ijs"
	eautoreconf
}

src_configure() {
	local FONTPATH
	for path in \
		/usr/share/fonts/urw-fonts \
		/usr/share/fonts/Type1 \
		/usr/share/fonts \
		/usr/share/poppler/cMap/Adobe-CNS1 \
		/usr/share/poppler/cMap/Adobe-GB1 \
		/usr/share/poppler/cMap/Adobe-Japan1 \
		/usr/share/poppler/cMap/Adobe-Japan2 \
		/usr/share/poppler/cMap/Adobe-Korea1
	do
		FONTPATH="$FONTPATH${FONTPATH:+:}$path"
	done
	
	if tc-is-cross-compiler; then
		einfo Generating native tools...
		CC=$(tc-getBUILD_CC) CFLAGS= ./configure
		emake -j1 ./obj/aux/echogs ./obj/aux/genarch ./obj/aux/genconf \
			./obj/aux/gendev ./obj/aux/genht ./obj/aux/mkromfs || die
		mv obj native-obj
	fi

	econf \
		--enable-dynamic \
		--enable-freetype \
		--enable-fontconfig \
		--disable-compile-inits \
		--disable-openjpeg \
		--with-drivers=ALL \
		--with-fontpath="$FONTPATH" \
		--with-ijs \
		--with-jbig2dec \
		--with-libpaper \
		--with-system-libtiff \
		--without-luratech \
		$(use_enable cups) \
		$(use_enable dbus) \
		$(use_enable gtk) \
		$(use_with cups install-cups) \
		$(use_with cups pdftoraster) \
		$(use_with idn libidn) \
		$(use_with jpeg2k jasper) \
		$(use_with X x)

	if ! use bindist && use djvu ; then
		sed -i -e 's!$(DD)bbox.dev!& $(DD)djvumask.dev $(DD)djvusep.dev!g' Makefile
	fi

	cd "${S}/ijs"
	econf \
		--enable-shared \
		$(use_enable static-libs static)
}

src_compile() {
	if tc-is-cross-compiler; then
		emake -j1 ./obj/aux/echogs ./obj/aux/genarch ./obj/aux/genconf
		mv -f native-obj/aux/{echogs,genarch,genconf} obj/aux
		emake -j1 ./obj/aux/mkromfs ./obj/aux/genht ./obj/aux/gendev
		mv -f native-obj/aux/{mkromfs,genht,gendev} obj/aux
		
		cp -a obj soobj
	fi
	
	emake -j1 so all || die "emake failed"

	cd "${S}/ijs"
	emake || die "ijs emake failed"
}

src_install() {
	# workaround: -j1 -> see bug #356303
	emake -j1 DESTDIR="${D}" install-so install || die "emake install failed"

	# workaround: some printer drivers still require pstoraster, bug #383831
	use cups && dosym /usr/libexec/cups/filter/gstoraster /usr/libexec/cups/filter/pstoraster
	# workaround: do the same for pstopxl as of gs 9.05
	use cups && dosym /usr/libexec/cups/filter/gstopxl /usr/libexec/cups/filter/pstopxl

	if ! use bindist && use djvu ; then
		dobin gsdjvu || die "dobin gsdjvu install failed"
	fi

	# remove gsc in favor of gambit, bug #253064
	rm -rf "${D}/usr/bin/gsc"

	rm -rf "${D}/usr/share/doc/${PF}/html/"{README,PUBLIC}
	dodoc doc/GS9_Color_Management.pdf || die "dodoc install failed"

	cd "${S}/ijs"
	emake DESTDIR="${D}" install || die "emake ijs install failed"

	# rename the original cidfmap to cidfmap.GS
	mv "${D}/usr/share/ghostscript/${PVM}/Resource/Init/cidfmap"{,.GS} || die

	# install our own cidfmap to handle CJK fonts
	insinto "/usr/share/ghostscript/${PVM}/Resource/Init"
	doins "${WORKDIR}/fontmaps/CIDFnmap" || die "doins CIDFnmap failed"
	doins "${WORKDIR}/fontmaps/cidfmap" || die "doins cidfmap failed"
	for X in ${LANGS} ; do
		if use linguas_${X} ; then
			doins "${WORKDIR}/fontmaps/cidfmap.${X}" || die "doins cidfmap.${X} failed"
		fi
	done

	# install the CMaps from poppler-data properly, bug 409361
	dosym /usr/share/poppler/cMaps /usr/share/ghostscript/${PVM}/Resource/CMap

	use static-libs || find "${D}" -name '*.la' -delete

	use linguas_de || rm -r "${D}"/usr/share/man/de
}