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# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
EAPI=5
PYTHON_COMPAT=( python2_7 )
inherit eutils flag-o-matic fortran-2 python-any-r1 toolchain-funcs versionator
MY_P="${PN}-$(replace_version_separator _ -)"
DESCRIPTION="Portable, Extensible Toolkit for Scientific Computation"
HOMEPAGE="http://www.mcs.anl.gov/petsc/"
SRC_URI="http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/${MY_P}.tar.gz"
LICENSE="petsc"
SLOT="0"
KEYWORDS="~x86 ~amd64"
IUSE="afterimage complex-scalars cxx debug doc
fortran hdf5 hypre mpi mumps scotch sparse superlu threads X"
# Failed: boost imagemagick metis
# hypre and superlu curretly exclude each other due to missing linking to hypre
# if both are enabled
REQUIRED_USE="
afterimage? ( X )
hdf5? ( mpi )
hypre? ( cxx mpi )
mumps? ( mpi scotch )
scotch? ( mpi )
^^ ( hypre superlu )
"
# imagemagick? ( X )
RDEPEND="
virtual/blas
virtual/lapack
afterimage? ( media-libs/libafterimage )
hdf5? ( sci-libs/hdf5[mpi?] )
hypre? ( >=sci-libs/hypre-2.8.0b[mpi?] )
mpi? ( virtual/mpi[cxx?,fortran?] )
mumps? ( sci-libs/mumps[mpi?] sci-libs/scalapack )
scotch? ( sci-libs/scotch[mpi?] )
sparse? ( sci-libs/suitesparse >=sci-libs/cholmod-1.7.0 )
superlu? ( sci-libs/superlu )
X? ( x11-libs/libX11 )
"
# boost? ( dev-libs/boost )
# metis? ( sci-libs/parmetis )
# imagemagick? ( media-gfx/imagemagick )
DEPEND="${RDEPEND}
${PYTHON_DEPS}
virtual/pkgconfig
dev-util/cmake
"
# cmake is used for parallel building
# in some configuration setups, legacy build is used (slow)
#
# PETSc does not want its Makefiles to be invoked with anything higher than
# -j1. The underlying build system does automatically invoke a parallel
# build. This might not be what you want, but *hey* not your choice.
#
MAKEOPTS="${MAKEOPTS} -j1"
S="${WORKDIR}/${MY_P}"
src_prepare() {
epatch "${FILESDIR}"/${P%_*}-disable-rpath.patch
sed -i -e 's%/usr/bin/env python%/usr/bin/env python2%' configure || die
}
src_configure() {
# petsc uses --with-blah=1 and --with-blah=0 to en/disable options
petsc_enable() {
use "$1" && echo "--with-${2:-$1}=1" || echo "--with-${2:-$1}=0"
}
# add external library:
# petsc_with use_flag libname libdir
# petsc_with use_flag libname include linking_libs
petsc_with() {
local myuse p=${2:-${1}}
if use ${1}; then
myuse="--with-${p}=1"
if [[ $# -ge 4 ]]; then
myuse="${myuse} --with-${p}-include=${EPREFIX}${3}"
shift 3
myuse="${myuse} --with-${p}-lib=$@"
else
myuse="${myuse} --with-${p}-dir=${EPREFIX}${3:-/usr}"
fi
else
myuse="--with-${p}=0"
fi
echo ${myuse}
}
# select between configure options depending on use flag
petsc_select() {
use "$1" && echo "--with-$2=$3" || echo "--with-$2=$4"
}
local mylang
local myopt
use cxx && mylang="cxx" || mylang="c"
use debug && myopt="debug" || myopt="opt"
# environmental variables expected by petsc during build
export PETSC_DIR="${S}"
export PETSC_ARCH="linux-gnu-${mylang}-${myopt}"
if use debug; then
strip-flags
filter-flags -O*
fi
# C Support on Cxx builds is enabled if possible
# i.e. when not using complex scalars
# (no complex type for both available at the same time)
if use threads; then
ewarn "Threads support may be incomplete on $PN-3.3 release and is not officially supported."
ewarn "Upstream recommends not to enable threads support for production runs."
fi
# run petsc configure script
econf \
scrollOutput=1 \
CFLAGS="${CFLAGS}" \
CXXFLAGS="${CXXFLAGS}" \
LDFLAGS="${LDFLAGS}" \
--with-shared-libraries \
--with-single-library \
--with-clanguage=${mylang} \
$(use cxx && ! use complex-scalars && echo "with-c-support=1") \
--with-petsc-arch=${PETSC_ARCH} \
--with-precision=double \
--with-gnu-compilers \
--with-blas-lapack-lib="$($(tc-getPKG_CONFIG) --libs lapack)" \
$(petsc_enable debug debugging) \
$(petsc_enable mpi) \
$(petsc_select mpi cc mpicc $(tc-getCC)) \
$(petsc_select mpi cxx mpicxx $(tc-getCXX)) \
$(petsc_enable fortran) \
$(use fortran && echo "$(petsc_select mpi fc mpif77 $(tc-getF77))") \
$(petsc_enable mpi mpi-compilers) \
$(petsc_enable threads pthread) \
$(petsc_enable threads pthreadclasses) \
$(petsc_select complex-scalars scalar-type complex real) \
--with-windows-graphics=0 \
--with-matlab=0 \
--with-cmake=cmake \
$(petsc_with afterimage afterimage \
/usr/include/libAfterImage -lAfterImage) \
$(petsc_with hdf5) \
$(petsc_with hypre hypre \
/usr/include/hypre -lHYPRE) \
$(petsc_with sparse cholmod) \
$(petsc_with superlu superlu \
/usr/include/superlu -lsuperlu) \
$(petsc_with X x) \
$(petsc_with X x11) \
$(petsc_with scotch ptscotch \
/usr/include/scotch \
[-lptesmumps,-lptscotch,-lptscotcherr,-lscotch,-lscotcherr]) \
$(petsc_with mumps scalapack \
/usr/include/scalapack -lscalapack) \
$(petsc_with mumps mumps \
/usr/include \
[-lcmumps,-ldmumps,-lsmumps,-lzmumps,-lmumps_common,-lpord]) \
--with-imagemagick=0 \
--with-python=0
# not yet tested:
# python bindings, netcdf
# non-working:
# fftw: no mpi-implementaion available in gentoo
# failed dependencies, perhaps fixed in upstream soon:
# $(petsc_with metis parmetis) \ # needs metis too (>=5.0.2)
# $(petsc_with boost) \
# $(petsc_with imagemagick imagemagick \
# /usr/include/ImageMagick $($(tc-getPKG_CONFIG) --libs MagickCore)) \
}
src_install() {
# petsc install structure is very different from
# installing headers to /usr/include/petsc and lib to /usr/lib
# it also installs many unneeded executables and scripts
# so manual install is easier than cleanup after "emake install"
insinto /usr/include/${PN}
doins include/*.h*
insinto /usr/include/${PN}/${PETSC_ARCH}/include
doins ${PETSC_ARCH}/include/*
if use fortran; then
insinto /usr/include/${PN}/finclude
doins include/finclude/*.h
fi
if ! use mpi ; then
insinto /usr/include/${PN}/mpiuni
doins include/mpiuni/*.h
fi
insinto /usr/include/${PN}/conf
doins conf/{variables,rules,test}
insinto /usr/include/${PN}/${PETSC_ARCH}/conf
doins ${PETSC_ARCH}/conf/{petscrules,petscvariables,RDict.db}
insinto /usr/include/${PN}/petsc-private
doins include/petsc-private/*.h
# fix configuration files: replace "${S}" by installed location
sed -i \
-e "s:"${S}"::g" \
"${ED}"/usr/include/${PN}/${PETSC_ARCH}/include/petscconf.h \
"${ED}"/usr/include/${PN}/${PETSC_ARCH}/conf/petscvariables || die
sed -i \
-e "s:-I/include:-I${EPREFIX}/usr/include/${PN}:g" \
-e "s:-I/linux-gnu-cxx-opt/include:-I${EPREFIX}/usr/include/${PN}/${PETSC_ARCH}/include/:g" \
"${ED}"/usr/include/${PN}/${PETSC_ARCH}/conf/petscvariables || die
sed -i \
-e "s:usr/lib:usr/$(get_libdir):g" \
"${ED}"/usr/include/${PN}/${PETSC_ARCH}/include/petscconf.h || die
# add information about installation directory and
# PETSC_ARCH to environmental variables
cat >> 99petsc <<- EOF
PETSC_ARCH=${PETSC_ARCH}
PETSC_DIR=${EPREFIX}/usr/include/${PN}
EOF
doenvd 99petsc
dolib.so ${PETSC_ARCH}/lib/*.so
if use doc ; then
einfo "installing documentation (this could take a while)"
dodoc docs/manual.pdf
dohtml -r docs/*.html docs/changes docs/manualpages
fi
}
pkg_postinst() {
elog "The petsc ebuild is still under development."
elog "Help us improve the ebuild in:"
elog "http://bugs.gentoo.org/show_bug.cgi?id=53386"
}
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