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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-physics/root/root-5.32.02-r1.ebuild,v 1.3 2012/05/04 07:55:34 jdhore Exp $

EAPI=4

PYTHON_DEPEND="python? 2"

if [[ ${PV} == "9999" ]] ; then
	_SVN=subversion
	ESVN_REPO_URI="http://root.cern.ch/svn/root/trunk"
	SRC_URI=""
	KEYWORDS=""
else
	SRC_URI="ftp://root.cern.ch/${PN}/${PN}_v${PV}.source.tar.gz"
	KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
fi

inherit elisp-common eutils fdo-mime fortran-2 multilib python ${_SVN} toolchain-funcs user versionator

ROOFIT_DOC_PV=2.91-33
TMVA_DOC_PV=4.03
PATCH_PV=5.28.00b
PATCH_PV2=5.32.00

DESCRIPTION="C++ data analysis framework and interpreter from CERN"
HOMEPAGE="http://root.cern.ch/"
SRC_URI="${SRC_URI}
	doc? ( ftp://root.cern.ch/${PN}/doc/ROOTUsersGuide.pdf
		math? (
			ftp://root.cern.ch/${PN}/doc/RooFit_Users_Manual_${ROOFIT_DOC_PV}.pdf
			http://tmva.sourceforge.net/docu/TMVAUsersGuide.pdf -> TMVAUsersGuide-v${TMVA_DOC_PV}.pdf )
		htmldoc? (
			http://root.cern.ch/drupal/sites/default/files/rootdrawing-logo.png
			http://root.cern.ch/drupal/sites/all/themes/newsflash/images/blue/root-banner.png
			http://root.cern.ch/drupal/sites/all/themes/newsflash/images/info.png ) )"

SLOT="0"
LICENSE="LGPL-2.1"
IUSE="+X afs avahi -c++0x doc emacs examples fits fftw geocad graphviz htmldoc
	kerberos ldap llvm +math mpi mysql odbc +opengl openmp oracle postgres prefix
	pythia6 pythia8 python qt4 +reflex ruby ssl xinetd xml xrootd"

CDEPEND="
	app-arch/xz-utils
	>=dev-lang/cfortran-4.4-r2
	dev-libs/libpcre
	media-fonts/dejavu
	media-libs/freetype
	media-libs/giflib
	media-libs/libpng:0
	media-libs/tiff:0
	sys-libs/zlib
	virtual/jpeg
	virtual/shadow
	X? (
		media-libs/ftgl
		media-libs/glew
		x11-libs/libX11
		x11-libs/libXext
		x11-libs/libXpm
		|| (
			>=media-libs/libafterimage-1.20[gif,jpeg,png,tiff]
			>=x11-wm/afterstep-2.2.11[gif,jpeg,png,tiff]
		)
		opengl? ( virtual/opengl virtual/glu x11-libs/gl2ps )
		qt4? (
			x11-libs/qt-gui:4
			x11-libs/qt-opengl:4
			x11-libs/qt-qt3support:4
			x11-libs/qt-svg:4
			x11-libs/qt-webkit:4
			x11-libs/qt-xmlpatterns:4 )
		x11-libs/libXft
		)
	afs? ( net-fs/openafs )
	avahi? ( net-dns/avahi )
	emacs? ( virtual/emacs )
	fits? ( sci-libs/cfitsio )
	fftw? ( sci-libs/fftw:3.0 )
	geocad? ( sci-libs/opencascade )
	graphviz? ( media-gfx/graphviz )
	kerberos? ( virtual/krb5 )
	ldap? ( net-nds/openldap )
	llvm? ( =sys-devel/clang-9999 =sys-devel/llvm-9999 )
	math? ( sci-libs/gsl sci-mathematics/unuran mpi? ( virtual/mpi ) )
	mysql? ( virtual/mysql )
	odbc? ( || ( dev-db/libiodbc dev-db/unixODBC ) )
	oracle? ( dev-db/oracle-instantclient-basic )
	postgres? ( dev-db/postgresql-base )
	pythia6? ( sci-physics/pythia:6 )
	pythia8? ( sci-physics/pythia:8 )
	ruby? (
			dev-lang/ruby
			dev-ruby/rubygems )
	ssl? ( dev-libs/openssl )
	xml? ( dev-libs/libxml2 )
	xrootd? ( >=net-libs/xrootd-3.2.0 )"

DEPEND="${CDEPEND}
	virtual/pkgconfig"

RDEPEND="${CDEPEND}
	reflex? ( dev-cpp/gccxml )
	xinetd? ( sys-apps/xinetd )"

PDEPEND="htmldoc? ( ~app-doc/root-docs-${PV} )"

REQUIRED_USE="
	!X? ( !opengl !qt4 )
	mpi? ( math !openmp )
	openmp? ( math !mpi )"

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

pkg_setup() {
	fortran-2_pkg_setup
	python_pkg_setup
	echo
	elog "There are extra options on packages not yet in Gentoo:"
	elog "AliEn, castor, Chirp, dCache, gfal, gLite, Globus,"
	elog "HDFS, Monalisa, MaxDB/SapDB, SRP."
	elog "You can use the env variable EXTRA_ECONF variable for this."
	elog "For example, for SRP, you would set: "
	elog "EXTRA_ECONF=\"--enable-srp --with-srp-libdir=/usr/$(get_libdir)\""
	echo
	enewgroup rootd
	enewuser rootd -1 -1 /var/spool/rootd rootd

	if use math; then
		if use openmp; then
			if [[ $(tc-getCXX)$ == *g++* ]] && ! tc-has-openmp; then
				ewarn "You are using a g++ without OpenMP capabilities"
				die "Need an OpenMP capable compiler"
			else
				export USE_OPENMP=1 USE_PARALLEL_MINUIT2=1
			fi
		elif use mpi; then
			export USE_MPI=1 USE_PARALLEL_MINUIT2=1
		fi
	fi
	if use c++0x && [[ $(tc-getCXX) == *g++* ]] && \
		! version_is_at_least "4.7" "$(gcc-version)"; then
		eerror "You are using a g++ without C++0x capabilities"
		die "Need an C++0x capable compiler"
	fi
}

src_prepare() {
	epatch \
		"${FILESDIR}"/${PN}-${PATCH_PV}-prop-ldflags.patch \
		"${FILESDIR}"/${PN}-${PATCH_PV2}-nobyte-compile.patch \
		"${FILESDIR}"/${PN}-${PATCH_PV}-glibc212.patch \
		"${FILESDIR}"/${PN}-${PATCH_PV}-unuran.patch \
		"${FILESDIR}"/${PN}-${PATCH_PV2}-afs.patch \
		"${FILESDIR}"/${PN}-${PATCH_PV2}-cfitsio.patch \
		"${FILESDIR}"/${PN}-${PATCH_PV2}-chklib64.patch \
		"${FILESDIR}"/${PN}-9999-dotfont.patch \
		"${FILESDIR}"/${PN}-9999-cling.patch

	# make sure we use system libs and headers
	rm montecarlo/eg/inc/cfortran.h README/cfortran.doc || die
	rm -rf graf2d/asimage/src/libAfterImage || die
	rm -rf graf3d/ftgl/{inc,src} || die
	rm -rf graf2d/freetype/src || die
	rm -rf graf3d/glew/{inc,src} || die
	rm -rf core/pcre/src || die
	rm -rf math/unuran/src/unuran-*.tar.gz || die
	LANG=C LC_ALL=C find core/zip -type f -name "[a-z]*" -print0 | xargs -0 rm -f || die
	rm -rf core/lzma/src/*.tar.gz || die
	rm graf3d/gl/{inc,src}/gl2ps.* || die
	sed -i -e 's/^GLLIBS *:= .* $(OPENGLLIB)/& -lgl2ps/' graf3d/gl/Module.mk || die

	# In Gentoo, libPythia6 is called libpythia6
	# libungif is called libgif,
	# iodbc is in /usr/include/iodbc
	# pg_config.h is checked instead of libpq-fe.h
	sed -i \
		-e 's:libPythia6:libpythia6:g' \
		-e 's:ungif:gif:g' \
		-e 's:$ODBCINCDIR:$ODBCINCDIR /usr/include/iodbc:' \
		-e 's:libpq-fe.h:pg_config.h:' \
		configure || die "adjusting configure for Gentoo failed"

	# prefixify the configure script
	sed -i \
		-e 's:/usr:${EPREFIX}/usr:g' \
		configure || die "prefixify configure failed"

	# QTDIR only used for qt3 in gentoo, and configure looks for it.
	unset QTDIR

	# Make html docs self-consistent for offline work (based on Fedora spec)
	if use htmldoc; then
		epatch "${FILESDIR}"/${PN}-${PATCH_PV2}-htmldoc.patch
		# make images local
		sed 's!http://root.cern.ch/drupal/sites/all/themes/newsflash/images/blue/!!' \
			-i etc/html/ROOT.css || die "htmldoc sed failed"
		sed 's!http://root.cern.ch/drupal/sites/all/themes/newsflash/images/!!' \
			-i etc/html/ROOT.css || die "htmldoc sed failed"
		sed 's!http://root.cern.ch/drupal/sites/default/files/!!' \
			-i etc/html/header.html || die "htmldoc sed failed"

		cp "${DISTDIR}"/{rootdrawing-logo.png,root-banner.png,info.png} etc/html ||
			die "htmldoc preparation failed"
	fi
}

src_configure() {
	# the configure script is not the standard autotools
	./configure \
		--prefix="${EPREFIX}"/usr \
		--etcdir="${EPREFIX}"/etc/root \
		--libdir="${EPREFIX}"/usr/$(get_libdir)/${PN} \
		--docdir="${EPREFIX}"/usr/share/doc/${PF} \
		--tutdir="${EPREFIX}"/usr/share/doc/${PF}/examples/tutorials \
		--testdir="${EPREFIX}"/usr/share/doc/${PF}/examples/tests \
		--with-cc=$(tc-getCC) \
		--with-cxx=$(tc-getCXX) \
		--with-f77=$(tc-getFC) \
		--with-ld=$(tc-getCXX) \
		--with-afs-shared=yes \
		--with-llvm-config="${EPREFIX}"/usr/bin/llvm-config \
		--with-sys-iconpath="${EPREFIX}"/usr/share/pixmaps \
		--disable-builtin-afterimage \
		--disable-builtin-freetype \
		--disable-builtin-ftgl \
		--disable-builtin-glew \
		--disable-builtin-pcre \
		--disable-builtin-zlib \
		--disable-builtin-lzma \
		--enable-astiff \
		--enable-explicitlink \
		--enable-gdml \
		--enable-memstat \
		--enable-shadowpw \
		--enable-shared	\
		--enable-soversion \
		--enable-table \
		--fail-on-missing \
		$(use_enable X x11) \
		$(use_enable X asimage) \
		$(use_enable X xft) \
		$(use_enable afs) \
		$(use_enable avahi bonjour) \
		$(use_enable fits fitsio) \
		$(use_enable fftw fftw3) \
		$(use_enable graphviz gviz) \
		$(use_enable kerberos krb5) \
		$(use_enable ldap) \
		$(use_enable llvm cling) \
		$(use_enable math gsl-shared) \
		$(use_enable math genvector) \
		$(use_enable math mathmore) \
		$(use_enable math minuit2) \
		$(use_enable math roofit) \
		$(use_enable math tmva) \
		$(use_enable math unuran) \
		$(use_enable mysql) \
		$(use_enable odbc) \
		$(use_enable opengl) \
		$(use_enable postgres pgsql) \
		$(use_enable prefix rpath) \
		$(use_enable pythia6) \
		$(use_enable pythia8) \
		$(use_enable python) \
		$(use_enable qt4 qt) \
		$(use_enable qt4 qtgsi) \
		$(use_enable reflex cintex) \
		$(use_enable reflex) \
		$(use_enable ruby) \
		$(use_enable ssl) \
		$(use_enable xml) \
		$(use_enable xrootd) \
		${EXTRA_ECONF} \
		|| die "configure failed"
}

src_compile() {
	emake OPT="${CXXFLAGS}" F77OPT="${FFLAGS}" ROOTSYS="${S}" LD_LIBRARY_PATH="${S}/lib"
	if use emacs; then
		elisp-compile build/misc/*.el || die "elisp-compile failed"
	fi
}

doc_install() {
	cd "${S}"
	if use doc; then
		einfo "Installing user's guides"
		dodoc "${DISTDIR}"/ROOTUsersGuide.pdf
		use math && dodoc \
			"${DISTDIR}"/RooFit_Users_Manual_${ROOFIT_DOC_PV}.pdf \
			"${DISTDIR}"/TMVAUsersGuide-v${TMVA_DOC_PV}.pdf
	fi

	if use examples; then
		# these should really be taken care of by the root make install
		insinto /usr/share/doc/${PF}/examples/tutorials/tmva
		doins -r tmva/test
	else
		rm -rf "${ED}"/usr/share/doc/${PF}/examples || die
	fi
}

daemon_install() {
	cd "${S}"
	local daemons="rootd proofd"
	dodir /var/spool/rootd
	fowners rootd:rootd /var/spool/rootd
	dodir /var/spool/rootd/{pub,tmp}
	fperms 1777 /var/spool/rootd/{pub,tmp}

	for i in ${daemons}; do
		newinitd "${FILESDIR}"/${i}.initd ${i}
		newconfd "${FILESDIR}"/${i}.confd ${i}
	done
	if use xinetd; then
		insinto /etc/xinetd
		doins etc/daemons/{rootd,proofd}.xinetd
	fi
}

desktop_install() {
	cd "${S}"
	sed -e 's,@prefix@,/usr,' \
		build/package/debian/root-system-bin.desktop.in > root.desktop
	domenu root.desktop
	doicon "${S}"/build/package/debian/root-system-bin.png

	insinto /usr/share/icons/hicolor/48x48/mimetypes
	doins build/package/debian/application-x-root.png

	insinto /usr/share/icons/hicolor/48x48/apps
	doicon build/package/debian/root-system-bin.xpm
}

src_install() {
	emake DESTDIR="${D}" install

	echo "LDPATH=${EPREFIX}/usr/$(get_libdir)/root" > 99root
	use pythia8 && echo "PYTHIA8=${EPREFIX}/usr" >> 99root
	use python && echo "PYTHONPATH=${EPREFIX}/usr/$(get_libdir)/root" >> 99root
	use ruby && echo "RUBYLIB=${EPREFIX}/usr/$(get_libdir)/root" >> 99root
	doenvd 99root

	# The build system installs Emacs support unconditionally and in the wrong
	# directory. Remove it and call elisp-install in case of USE=emacs.
	rm -rf "${ED}"/usr/share/emacs
	if use emacs; then
		elisp-install ${PN} build/misc/*.{el,elc} || die "elisp-install failed"
	fi

	doc_install
	daemon_install
	desktop_install

	# Cleanup of files either already distributed or unused on Gentoo
	rm "${ED}"usr/share/doc/${PF}/{INSTALL,LICENSE,COPYING.CINT} || die
	rm "${ED}"usr/share/root/fonts/LICENSE || die
	pushd "${ED}"usr/$(get_libdir)/root/cint/cint/lib > /dev/null
	rm -f posix/mktypes dll_stl/setup \
		G__* dll_stl/G__* dll_stl/rootcint_* posix/exten.o || die
	rm -f "${ED}"usr/$(get_libdir)/root/cint/cint/include/makehpib || die
	rm -f "${ED}"/etc/root/proof/*.sample || die
	rm -rf "${ED}"/etc/root/daemons || die
	popd > /dev/null
	# these should be in PATH
	mv "${ED}"etc/root/proof/utils/pq2/pq2* \
		"${ED}"usr/bin/ || die
}

pkg_postinst() {
	fdo-mime_desktop_database_update
	use python && python_mod_optimize /usr/$(get_libdir)/root
}

pkg_postrm() {
	fdo-mime_desktop_database_update
	use python && python_mod_cleanup /usr/$(get_libdir)/root
}