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diff --git a/sci-libs/hdf5/hdf5-1.8.4-r1.ebuild b/sci-libs/hdf5/hdf5-1.8.4-r1.ebuild
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+++ b/sci-libs/hdf5/hdf5-1.8.4-r1.ebuild
@@ -0,0 +1,113 @@
+# Copyright 1999-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sci-libs/hdf5/hdf5-1.8.4-r1.ebuild,v 1.18 2011/07/06 15:00:48 xarthisius Exp $
+
+EAPI=3
+
+inherit autotools eutils fortran-2
+
+DESCRIPTION="General purpose library and file format for storing scientific data"
+HOMEPAGE="http://www.hdfgroup.org/HDF5/"
+SRC_URI="http://www.hdfgroup.org/ftp/HDF5/prev-releases/${P}/src/${P}.tar.gz"
+
+LICENSE="NCSA-HDF"
+SLOT="0"
+KEYWORDS="alpha amd64 ia64 ppc ppc64 sparc x86"
+IUSE="cxx examples fortran mpi szip threads zlib"
+
+RDEPEND="
+	fortran? ( virtual/fortran )
+	mpi? ( || (
+			sys-cluster/openmpi[romio]
+			sys-cluster/mpich2[romio] ) )
+	szip? ( >=sci-libs/szip-2.1 )
+	zlib? ( sys-libs/zlib )"
+
+DEPEND="${RDEPEND}
+	sys-devel/libtool:2
+	sys-process/time"
+
+pkg_setup() {
+	use fortran && fortran-2_pkg_setup
+	if use mpi; then
+		if has_version 'sci-libs/hdf5[-mpi]'; then
+			ewarn "Installing hdf5 with mpi enabled with a previous hdf5 with mpi disabled may fail."
+			ewarn "Try to uninstall the current hdf5 prior to enabling mpi support."
+		fi
+		if use cxx; then
+			ewarn "Simultaneous mpi and cxx is not supported by ${PN}"
+			ewarn "Will disable cxx interface"
+		fi
+		export CC=mpicc
+		if use fortran; then
+			export FC=mpif90
+		fi
+	elif has_version 'sci-libs/hdf5[mpi]'; then
+		ewarn "Installing hdf5 with mpi disabled while having hdf5 installed with mpi enabled may fail."
+		ewarn "Try to uninstall the current hdf5 prior to disabling mpi support."
+	fi
+}
+
+src_prepare() {
+	epatch \
+		"${FILESDIR}"/${PN}-1.8.3-as-needed.patch \
+		"${FILESDIR}"/${PN}-1.8.3-includes.patch \
+		"${FILESDIR}"/${PN}-1.8.3-noreturn.patch \
+		"${FILESDIR}"/${P}-gnutools.patch \
+		"${FILESDIR}"/${P}-scaleoffset.patch \
+		"${FILESDIR}"/${P}-sigbus.patch
+
+	# respect gentoo examples directory
+	sed \
+		-e 's:$(docdir)/hdf5:$(DESTDIR)/$(docdir):' \
+		-i $(find . -name Makefile.am) || die
+	sed \
+		-e '/docdir/d' \
+		-i config/commence.am || die
+	eautoreconf
+	# enable shared libs by default for h5cc config utility
+	sed -i -e "s/SHLIB:-no/SHLIB:-yes/g" tools/misc/h5cc.in \
+		|| die "sed h5cc.in failed"
+}
+
+src_configure() {
+	# threadsafe incompatible with many options
+	local myconf="--disable-threadsafe"
+	use threads && ! use fortran && ! use cxx && ! use mpi \
+		&& myconf="--enable-threadsafe"
+
+	if use mpi; then
+		myconf="${myconf} --disable-cxx"
+	else
+	# workaround for bug 285148
+		if use cxx; then
+			myconf="${myconf} $(use_enable cxx) CXX=$(tc-getCXX)"
+		fi
+		if use fortran; then
+			myconf="${myconf} FC=$(tc-getFC)"
+		fi
+	fi
+
+	econf \
+		--disable-sharedlib-rpath \
+		--enable-production \
+		--enable-strict-format-checks \
+		--docdir=/usr/share/doc/${PF} \
+		--enable-deprecated-symbols \
+		--enable-shared \
+		$(use_enable fortran) \
+		$(use_enable mpi parallel) \
+		$(use_with szip szlib) \
+		$(use_with threads pthread) \
+		$(use_with zlib) \
+		${myconf}
+}
+
+src_install() {
+	emake DESTDIR="${D}" install || die "emake install failed"
+	dodoc README.txt
+	if use examples; then
+		emake DESTDIR="${D}" install-examples \
+			|| die "emake install examples failed"
+	fi
+}