# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-visualization/gnuplot/gnuplot-4.6.1.ebuild,v 1.14 2013/03/02 23:27:51 hwoarang Exp $

EAPI=4

inherit elisp-common flag-o-matic multilib readme.gentoo toolchain-funcs wxwidgets

DESCRIPTION="Command-line driven interactive plotting program"
HOMEPAGE="http://www.gnuplot.info/"

if [[ -z ${PV%%*9999} ]]; then
	inherit autotools cvs
	ECVS_SERVER="gnuplot.cvs.sourceforge.net:/cvsroot/gnuplot"
	ECVS_MODULE="gnuplot"
	ECVS_BRANCH="branch-4-6-stable"
	ECVS_USER="anonymous"
	ECVS_CVS_OPTIONS="-dP"
	MY_P="${PN}"
	SRC_URI=""
else
	MY_P="${P/_/.}"
	SRC_URI="mirror://sourceforge/gnuplot/${MY_P}.tar.gz"
fi

LICENSE="gnuplot GPL-2 bitmap? ( free-noncomm )"
SLOT="0"
KEYWORDS="alpha amd64 ~arm hppa ia64 ppc ppc64 s390 sparc x86 ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~x64-solaris ~x86-solaris"
IUSE="bitmap cairo doc emacs examples +gd ggi latex lua plotutils qt4 readline svga thin-splines wxwidgets X xemacs"

RDEPEND="
	cairo? (
		x11-libs/cairo
		x11-libs/pango )
	emacs? ( virtual/emacs )
	gd? ( media-libs/gd[png] )
	ggi? ( media-libs/libggi )
	latex? (
		virtual/latex-base
		lua? (
			dev-tex/pgf
			>=dev-texlive/texlive-latexrecommended-2008-r2 ) )
	lua? ( dev-lang/lua )
	plotutils? ( media-libs/plotutils )
	qt4? ( >=dev-qt/qtcore-4.5:4
		>=dev-qt/qtgui-4.5:4
		>=dev-qt/qtsvg-4.5:4 )
	readline? ( sys-libs/readline )
	svga? ( media-libs/svgalib )
	wxwidgets? (
		x11-libs/wxGTK:2.8[X]
		x11-libs/cairo
		x11-libs/pango
		x11-libs/gtk+:2 )
	X? ( x11-libs/libXaw )
	xemacs? (
		app-editors/xemacs
		app-xemacs/xemacs-base )"
DEPEND="${RDEPEND}
	virtual/pkgconfig
	doc? (
		virtual/latex-base
		dev-texlive/texlive-latexextra
		app-text/ghostscript-gpl )
	!emacs? ( xemacs? ( app-xemacs/texinfo ) )"

if [[ -z ${PV%%*9999} ]]; then
	# The live ebuild always needs an Emacs for building of gnuplot.texi
	DEPEND="${DEPEND}
	!emacs? ( !xemacs? ( || ( virtual/emacs app-xemacs/texinfo ) ) )"
fi

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

GP_VERSION="${PV%.*}"
E_SITEFILE="50${PN}-gentoo.el"
TEXMF="${EPREFIX}/usr/share/texmf-site"

src_prepare() {
	if [[ -z ${PV%%*9999} ]]; then
		local dir
		for dir in config demo m4 term tutorial; do
			emake -C "$dir" -f Makefile.am.in Makefile.am
		done
		eautoreconf
	fi

	# Add special version identification as required by provision 2
	# of the gnuplot license
	sed -i -e "1s/.*/& (Gentoo revision ${PR})/" PATCHLEVEL || die

	# hacky workaround
	# Please hack the buildsystem if you like
	if use prefix && use qt4; then
		append-ldflags -Wl,-rpath,"${EPREFIX}"/usr/$(get_libdir)/qt4
	fi

	DOC_CONTENTS="Gnuplot no longer links against pdflib, see the ChangeLog for
		details. You can use the \"pdfcairo\" terminal for PDF output."
	use cairo || DOC_CONTENTS+=" It is available with USE=\"cairo\"."
	use svga && DOC_CONTENTS+=" In order to enable ordinary users to use SVGA console graphics
			gnuplot needs to be set up as setuid root. Please note that
			this is usually considered to be a security hazard.
			As root, manually \"chmod u+s /usr/bin/gnuplot\"."
	use gd && DOC_CONTENTS+=" For font support in png/jpeg/gif output, you may have to
			set the GDFONTPATH and GNUPLOT_DEFAULT_GDFONT environment
			variables. See the FAQ file in /usr/share/doc/${PF}/
			for more information."
}

src_configure() {
	if ! use latex; then
		sed -i -e '/SUBDIRS/s/LaTeX//' share/Makefile.in || die
	fi

	if use wxwidgets; then
		WX_GTK_VER="2.8"
		need-wxwidgets unicode
	fi

	tc-export CC CXX			#453174

	local myconf
	myconf="${myconf} --without-lisp-files"
	myconf="${myconf} --without-pdf"
	myconf="${myconf} --enable-stats" #extra command save to be enabled
	myconf="${myconf} --with-texdir=${TEXMF}/tex/latex/${PN}"
	myconf="${myconf} $(use_with bitmap bitmap-terminals)"
	myconf="${myconf} $(use_with cairo)"
	myconf="${myconf} $(use_with doc tutorial)"
	myconf="${myconf} $(use_with gd)"
	myconf="${myconf} $(use_with ggi ggi ${EPREFIX}/usr/$(get_libdir))"
	myconf="${myconf} $(use_with ggi xmi ${EPREFIX}/usr/$(get_libdir))"
	myconf="${myconf} $(use_with lua)"
	myconf="${myconf} $(use_with plotutils plot "${EPREFIX}"/usr/$(get_libdir))"
	myconf="${myconf} $(use_with svga linux-vga)"
	myconf="${myconf} $(use_enable thin-splines)"
	myconf="${myconf} $(use_enable wxwidgets)"
	myconf="${myconf} $(use_with X x)"
	myconf="${myconf} $(use_enable qt4 qt)"
	use readline \
		&& myconf="${myconf} --with-readline=gnu" \
		|| myconf="${myconf} --with-readline=builtin"

	local emacs=$(usev emacs || usev xemacs || echo no)
	if [[ -z ${PV%%*9999} && ${emacs} = no ]]; then
		# Live ebuild needs an Emacs to build gnuplot.texi
		if has_version virtual/emacs; then emacs=emacs
		elif has_version app-xemacs/texinfo; then emacs=xemacs; fi
	fi

	econf ${myconf} \
		DIST_CONTACT="http://bugs.gentoo.org/" \
		EMACS=${emacs}

	if use xemacs; then
		einfo "Configuring gnuplot-mode for XEmacs ..."
		use emacs && cp -Rp lisp lisp-xemacs || ln -s lisp lisp-xemacs
		cd "${S}/lisp-xemacs"
		econf --with-lispdir="${EPREFIX}/usr/lib/xemacs/site-packages/${PN}" EMACS=xemacs
	fi

	if use emacs; then
		einfo "Configuring gnuplot-mode for GNU Emacs ..."
		cd "${S}/lisp"
		econf --with-lispdir="${EPREFIX}${SITELISP}/${PN}" EMACS=emacs
	fi
}

src_compile() {
	# Prevent access violations, see bug 201871
	VARTEXFONTS="${T}/fonts"

	# We believe that the following line is no longer needed.
	# In case of problems file a bug report at bugs.gentoo.org.
	#addwrite /dev/svga:/dev/mouse:/dev/tts/0

	emake all info

	if use xemacs; then
		cd "${S}/lisp-xemacs"
		emake
	fi

	if use emacs; then
		cd "${S}/lisp"
		emake
	fi

	if use doc; then
		# Avoid sandbox violation in epstopdf/ghostscript
		addpredict /var/cache/fontconfig
		cd "${S}/docs"
		emake pdf
		cd "${S}/tutorial"
		emake pdf

		if use emacs || use xemacs; then
			cd "${S}/lisp"
			emake pdf
		fi
	fi
}

src_install () {
	emake -j1 DESTDIR="${D}" install

	if use xemacs; then
		cd "${S}/lisp-xemacs"
		emake DESTDIR="${D}" install
	fi

	if use emacs; then
		cd "${S}/lisp"
		emake DESTDIR="${D}" install
		# info-look* is included with >=emacs-21
		rm -f "${ED}${SITELISP}/${PN}"/info-look*

		# Gentoo emacs site-lisp configuration
		echo "(add-to-list 'load-path \"@SITELISP@\")" > ${E_SITEFILE}
		sed '/^;; move/,+3 d' dotemacs >> ${E_SITEFILE} || die
		elisp-site-file-install ${E_SITEFILE} || die
	fi

	cd "${S}"
	dodoc BUGS ChangeLog NEWS PGPKEYS PORTING README*
	newdoc term/PostScript/README README-ps
	newdoc term/js/README README-js
	use lua && newdoc term/lua/README README-lua

	if use examples; then
		# Demo files
		insinto /usr/share/${PN}/${GP_VERSION}
		doins -r demo
		rm -f "${ED}"/usr/share/${PN}/${GP_VERSION}/demo/Makefile*
		rm -f "${ED}"/usr/share/${PN}/${GP_VERSION}/demo/binary*
	fi
	if use doc; then
		# Manual
		dodoc docs/gnuplot.pdf
		# Tutorial
		dodoc tutorial/{tutorial.dvi,tutorial.pdf}
		# FAQ
		dodoc FAQ.pdf
		# Documentation for making PostScript files
		docinto psdoc
		dodoc docs/psdoc/{*.doc,*.tex,*.ps,*.gpi,README}
	fi

	if use emacs || use xemacs; then
		docinto emacs
		dodoc lisp/ChangeLog lisp/README
		use doc && dodoc lisp/gpelcard.pdf
	fi

	readme.gentoo_create_doc
}

src_test() {
	GNUTERM="unknown" default_src_test
}

pkg_postinst() {
	use emacs && elisp-site-regen
	use latex && texmf-update
	readme.gentoo_print_elog
}

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