# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-libs/scipy/scipy-0.9.0-r3.ebuild,v 1.2 2012/05/04 08:22:49 jdhore Exp $

EAPI="3"

SUPPORT_PYTHON_ABIS="1"
RESTRICT_PYTHON_ABIS="*-jython"

inherit eutils fortran-2 distutils flag-o-matic toolchain-funcs versionator

SP="${PN}-$(get_version_component_range 1-2)"

DESCRIPTION="Scientific algorithms library for Python"
HOMEPAGE="http://www.scipy.org/ http://pypi.python.org/pypi/scipy/"
SRC_URI="
	mirror://sourceforge/${PN}/${P}.tar.gz
	doc? (
		http://docs.scipy.org/doc/${P}/${PN}-html.zip -> ${SP}-html.zip
		http://docs.scipy.org/doc/${P}/${PN}-ref.pdf -> ${SP}-ref.pdf
	)"

LICENSE="BSD"
SLOT="0"
IUSE="doc umfpack"
KEYWORDS="~amd64 ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos"

CDEPEND="
	>=dev-python/numpy-1.5
	media-libs/qhull
	sci-libs/arpack
	>=sci-libs/superlu-4.3
	virtual/cblas
	virtual/lapack
	umfpack? ( sci-libs/umfpack )"

DEPEND="${CDEPEND}
	virtual/pkgconfig
	doc? ( app-arch/unzip )
	umfpack? ( dev-lang/swig )"

RDEPEND="
	virtual/fortran
	${CDEPEND}
	dev-python/imaging"

# buggy test suite - still true for 0.9.0
#RESTRICT="test"

DOCS="THANKS.txt LATEST.txt TOCHANGE.txt"

pkg_setup() {
	fortran-2_pkg_setup
	# scipy automatically detects libraries by default
	export {FFTW,FFTW3,UMFPACK}=None
	use umfpack && unset UMFPACK
	# the missing symbols are in -lpythonX.Y, but since the version can
	# differ, we just introduce the same scaryness as on Linux/ELF
	[[ ${CHOST} == *-darwin* ]] \
		&& append-ldflags -bundle "-undefined dynamic_lookup" \
		|| append-ldflags -shared
	[[ -z ${FC}  ]] && export FC="$(tc-getFC)"
	# hack to force F77 to be FC until bug #278772 is fixed
	[[ -z ${F77} ]] && export F77="$(tc-getFC)"
	export F90="${FC}"
	export SCIPY_FCONFIG="config_fc --noopt --noarch"
	append-fflags -fPIC
}

src_unpack() {
	unpack ${P}.tar.gz
	if use doc; then
		unzip -qo "${DISTDIR}"/${SP}-html.zip -d html || die
	fi
}

src_prepare() {
	epatch \
		"${FILESDIR}"/${P}-superlu.patch \
		"${FILESDIR}"/${P}-superlu-4.3.patch \
		"${FILESDIR}"/${P}-qhull.patch
	rm -rf ./scipy/sparse/linalg/dsolve/SuperLU ./scipy/spatial/qhull
	local libdir="${EPREFIX}"/usr/$(get_libdir)
	cat >> site.cfg <<-EOF
		[blas]
		include_dirs = $(pkg-config --cflags-only-I \
			cblas | sed -e 's/^-I//' -e 's/ -I/:/g')
		library_dirs = $(pkg-config --libs-only-L \
			cblas blas | sed -e 's/^-L//' -e 's/ -L/:/g' -e 's/ //g'):${libdir}
		blas_libs = $(pkg-config --libs-only-l \
			cblas blas | sed -e 's/^-l//' -e 's/ -l/, /g' -e 's/,.pthread//g')
		[lapack]
		library_dirs = $(pkg-config --libs-only-L \
			lapack | sed -e 's/^-L//' -e 's/ -L/:/g' -e 's/ //g'):${libdir}
		lapack_libs = $(pkg-config --libs-only-l \
			lapack | sed -e 's/^-l//' -e 's/ -l/, /g' -e 's/,.pthread//g')
	EOF
}

src_compile() {
	distutils_src_compile ${SCIPY_FCONFIG}
}

src_test() {
	testing() {
		"$(PYTHON)" setup.py build -b "build-${PYTHON_ABI}" install \
			--home="${S}/test-${PYTHON_ABI}" --no-compile ${SCIPY_FCONFIG} || die "install test failed"
		pushd "${S}/test-${PYTHON_ABI}/"lib*/python > /dev/null
		PYTHONPATH=. "$(PYTHON)" -c "import scipy; scipy.test('full')" 2>&1 | tee test.log
		grep -q ^ERROR test.log && die "test failed"
		popd > /dev/null
		rm -fr test-${PYTHON_ABI}
	}
	python_execute_function testing
}

src_install() {
	distutils_src_install ${SCIPY_FCONFIG}
	if use doc; then
		insinto /usr/share/doc/${PF}
		doins -r "${WORKDIR}"/html || die
		doins  "${DISTDIR}"/${SP}*pdf || die
	fi
}

pkg_postinst() {
	distutils_pkg_postinst

	elog "You might want to set the variable SCIPY_PIL_IMAGE_VIEWER"
	elog "to your prefered image viewer if you don't like the default one. Ex:"
	elog "\t echo \"export SCIPY_PIL_IMAGE_VIEWER=display\" >> ~/.bashrc"
}