# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

EAPI=5

PYTHON_COMPAT=( python2_7 )
PYTHON_REQ_USE="sqlite(-)?"
WANT_AUTOCONF="2.1"

inherit eutils gnome2 fdo-mime multilib python-single-r1 versionator wxwidgets autotools

MY_PM=${PN}$(get_version_component_range 1-2 ${PV})
MY_PM=${MY_PM/.}
MY_P=${P/_rc/RC}

DESCRIPTION="A free GIS with raster and vector functionality, as well as 3D vizualization"
HOMEPAGE="http://grass.osgeo.org/"
SRC_URI="http://grass.osgeo.org/${MY_PM}/source/${MY_P}.tar.gz"

LICENSE="GPL-2"
SLOT="0/7.0.2"
KEYWORDS="~amd64 ~x86"
IUSE="X blas cxx fftw geos lapack liblas mysql netcdf nls odbc opencl opengl openmp png postgres readline sqlite threads tiff truetype"

RDEPEND="${PYTHON_DEPS}
	>=app-admin/eselect-1.2
	media-libs/libprojectm
	sci-libs/proj
	sci-libs/xdrfile
	sci-libs/gdal
	sys-libs/gdbm
	sys-libs/ncurses:0=
	sys-libs/zlib
	fftw? ( sci-libs/fftw:3.0 )
	geos? ( sci-libs/geos )
	blas? ( virtual/blas
		sci-libs/cblas-reference )
	lapack? ( virtual/lapack )
	liblas? ( sci-geosciences/liblas )
	mysql? ( virtual/mysql )
	netcdf? ( sci-libs/netcdf )
	odbc? ( dev-db/unixODBC )
	opencl? ( virtual/opencl )
	opengl? ( virtual/opengl )
	png? ( media-libs/libpng:0= )
	postgres? ( >=dev-db/postgresql-8.4:= )
	readline? ( sys-libs/readline:0= )
	sqlite? ( dev-db/sqlite:3 )
	tiff? ( media-libs/tiff:0= )
	truetype? ( media-libs/freetype:2 )
	X? (
		>=dev-python/wxpython-2.8.10.1:2.8[cairo,opengl?]
		x11-libs/cairo[X,opengl?]
		x11-libs/libICE
		x11-libs/libSM
		x11-libs/libX11
		x11-libs/libXaw
		x11-libs/libXext
		x11-libs/libXmu
		x11-libs/libXp
		x11-libs/libXpm
		x11-libs/libXt
	)"

DEPEND="${RDEPEND}
	virtual/pkgconfig
	sys-devel/flex
	sys-devel/gettext
	sys-devel/bison
	X? (
		dev-lang/swig
		x11-proto/xextproto
		x11-proto/xproto
	)"

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

REQUIRED_USE="
	${PYTHON_REQUIRED_USE}
	opengl? ( X )"

PATCHES=(
	"${FILESDIR}/${PN}"-7.0.1-declare-inespg.patch
	"${FILESDIR}/${PN}"-7.0.1-soname.patch
)

pkg_setup() {
	if use lapack; then
		local mylapack
		mylapack=$(eselect lapack show) || die
		if [[ -z "${mylapack/.*reference.*/}" ]] && \
			[[ -z "${mylapack/.*atlas.*/}" ]]; then
			ewarn "You need to set lapack to atlas or reference. Do:"
			ewarn "   eselect lapack set <impl>"
			ewarn "where <impl> is atlas, threaded-atlas or reference"
			die "setup failed"
		fi
	fi

	if use blas; then
		local myblas
		myblas=$(eselect blas show) || die
		if [[ -z "${myblas/.*reference.*/}" ]] && \
			[[ -z "${myblas/.*atlas.*/}" ]]; then
			ewarn "You need to set blas to atlas or reference. Do:"
			ewarn "   eselect blas set <impl>"
			ewarn "where <impl> is atlas, threaded-atlas or reference"
			die "setup failed"
		fi
	fi

	python-single-r1_pkg_setup
}

src_prepare() {
	# Fix unversioned python calls
	local pyver=${EPYTHON/python/}
	sed -e "s:GRASS_PYTHON=.*:&${pyver}:" -i "${S}/lib/init/grass.sh" || die
	sed -e "s:= python:&${pyver}:" -i "${S}/include/Make/Platform.make.in" || die

	# fix header being unconditionally included
	# see upstream https://trac.osgeo.org/grass/ticket/2779
	sed -e 's:\(#include <ogr_api.h>\):#ifdef HAVE_OGR\n\1\n#endif:' \
		-i "${S}/vector/v.external/main.c" || die "failed to sed main.c"

	epatch "${PATCHES[@]}"

	epatch_user
	eautoconf

	ebegin "Fixing python shebangs"
	python_fix_shebang -q "${S}"
	eend $?
}

src_configure() {
	if use X; then
		WX_BUILD=yes
		WX_GTK_VER=2.8
		need-wxwidgets unicode
	fi

	addwrite "${ROOT}dev/dri/renderD128"

	econf \
		--enable-shared \
		--disable-w11 \
		$(use_with cxx) \
		$(use_with tiff) \
		$(use_with png) \
		$(use_with postgres) \
		$(use_with mysql) \
		$(use_with mysql mysql-includes "${ROOT}usr/include/mysql") \
		$(use_with mysql mysql-libs "${ROOT}usr/$(get_libdir)/mysql") \
		$(use_with sqlite) \
		$(use_with opengl) \
		$(use_with odbc) \
		$(use_with fftw) \
		$(use_with blas) \
		$(use_with lapack) \
		$(use_with X cairo) \
		$(use_with truetype freetype) \
		$(use_with truetype freetype-includes "${ROOT}usr/include/freetype2") \
		$(use_with nls) \
		$(use_with readline) \
		--without-opendwg \
		--with-regex \
		$(use_with threads pthread) \
		$(use_with openmp) \
		$(use_with opencl) \
		--with-gdal="${ROOT}usr/bin/gdal-config" \
		$(use_with liblas liblas "${ROOT}usr/bin/liblas-config") \
		$(use_with X wxwidgets "${WX_CONFIG}") \
		$(use_with netcdf netcdf "${ROOT}usr/bin/nc-config") \
		$(use_with geos geos "${ROOT}usr/bin/geos-config") \
		--with-proj-includes="${ROOT}usr/include/libprojectM" \
		--with-proj-libs="${ROOT}usr/$(get_libdir)" \
		--with-proj-share="${ROOT}usr/share/proj/" \
		$(use_with X x)
}

src_compile() {
	# we don't want to link against embedded mysql lib
	emake CC="$(tc-getCC)" MYSQLDLIB=""
}

src_install() {
	emake DESTDIR="${D}" \
		INST_DIR="${D}usr/${MY_PM}" \
		prefix="${D}usr" BINDIR="${D}usr/bin" \
		PREFIX="${D}usr/" \
		install

	pushd "${D}usr/${MY_PM}" &> /dev/null || die

	# fix docs
	dodoc AUTHORS CHANGES
	dohtml -r docs/html/*
	rm -rf docs/ || die
	rm -rf {AUTHORS,CHANGES,COPYING,GPL.TXT,REQUIREMENTS.html} || die

	# manuals
	dodir /usr/share/man/man1
	rm -rf man/ || die

	# translations
	if use nls; then
		dodir /usr/share/locale/
		mv locale/* "${D}usr/share/locale/" || die
		rm -rf locale/ || die
		# pt_BR is broken
		mv "${D}usr/share/locale/pt_br" "${D}usr/share/locale/pt_BR" || die
	fi

	popd &> /dev/null || die

	# place libraries where they belong
	mv "${D}usr/${MY_PM}/lib/" "${D}usr/$(get_libdir)/" || die

	# place header files where they belong
	mv "${D}usr/${MY_PM}/include/" "${D}usr/include/" || die
	# make rules are not required on installed system
	rm -rf "${D}usr/include/Make" || die

	# mv remaining gisbase stuff to libdir
	mv "${D}usr/${MY_PM}" "${D}usr/$(get_libdir)" || die

	# get proper folder for grass path in script
	local gisbase
	gisbase="${ROOT}usr/$(get_libdir)/${MY_PM}"
	sed -e "s:gisbase = \".*:gisbase = \"${gisbase}\":" \
		-i "${D}usr/bin/${MY_PM}" || die

	# get proper fonts path for fontcap
	sed -i \
		-e "s|${D}usr/${MY_PM}|${EPREFIX}usr/$(get_libdir)/${MY_PM}|" \
		"${D}usr/$(get_libdir)/${MY_PM}/etc/fontcap" || die

	# set proper python interpreter
	sed -e "s:= \"python\":= \"${EPYTHON}\":" -i "${D}usr/bin/${MY_PM}" || die

	if use X; then
		local GUI="-gui"
		[[ ${WX_BUILD} == yes ]] && GUI="-wxpython"
		make_desktop_entry "/usr/bin/${MY_PM} ${GUI}" "${PN}" "${PN}-48x48" "Science;Education"
		doicon -s 48 gui/icons/${PN}-48x48.png
	fi

	# install .pc file so other apps know where to look for grass
	insinto /usr/$(get_libdir)/pkgconfig/
	doins grass.pc

	# fix weird +x on tcl scripts
	find "${D}" -name "*.tcl" -exec chmod +r-x '{}' \;
}

pkg_postinst() {
	if use X; then
		fdo-mime_desktop_database_update
		gnome2_icon_cache_update
	fi
}

pkg_postrm() {
	if use X; then
		fdo-mime_desktop_database_update
		gnome2_icon_cache_update
	fi
}