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# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
EAPI=3
inherit flag-o-matic toolchain-funcs
MY_P="${PN}-${PV/_/-}"
DESCRIPTION="Portable, Extensible Toolkit for Scientific Computation"
HOMEPAGE="http://www.mcs.anl.gov/petsc/petsc-as/"
SRC_URI="http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/${MY_P}.tar.gz"
LICENSE="petsc"
SLOT="0"
KEYWORDS=""
IUSE="mpi hypre X cxx debug static-libs fortran doc"
RDEPEND="mpi? ( virtual/mpi[cxx?,fortran?] )
X? ( x11-libs/libX11 )
virtual/lapack
virtual/blas
hypre? ( <sci-mathematics/hypre-2.6.0b[mpi=,static-libs=] )"
DEPEND="${RDEPEND}
sys-devel/gcc[-nocxx,fortran?]"
S="${WORKDIR}/${MY_P}"
src_prepare(){
epatch "${FILESDIR}/fix-configure-pic.patch"
}
src_configure(){
local mylang
local myopt
local myconf
use cxx && mylang="cxx" || mylang="c"
use debug && myopt="debug" || myopt="opt"
export PETSC_DIR="${S}" || die
export PETSC_ARCH="linux-gnu-${mylang}-${myopt}" || die
myconf[10]="--with-blas-lapack-lib=$(pkg-config --libs lapack)"
myconf[11]="CFLAGS=${CFLAGS}"
myconf[12]="CXXFLAGS=${CXXFLAGS}"
myconf[13]="LDFLAGS=${LDFLAGS}"
myconf[14]="--with-windows-graphics=0"
myconf[15]="--with-matlab=0"
myconf[16]="--with-python=0"
myconf[17]="--with-clanguage=${mylang}"
myconf[18]="--with-single-library=1"
myconf[19]="--with-petsc-arch=${PETSC_ARCH}"
myconf[20]="--with-precision=double"
if use mpi; then
myconf[30]="--with-cc=/usr/bin/mpicc"
myconf[31]="--with-cxx=/usr/bin/mpicxx"
use fortran && myconf[32]="--with-fc=/usr/bin/mpif77"
myconf[33]="--with-mpi=1"
myconf[34]="--with-mpi-compilers=1"
else
myconf[30]="--with-cc=$(tc-getCC)"
myconf[31]="--with-cxx=$(tc-getCXX)"
use fortran && myconf[32]="--with-fc=$(tc-getF77)"
myconf[33]="--with-mpi=0"
fi
use X \
&& myconf[40]="--with-X=1" \
|| myconf[40]="--with-X=0"
use static-libs \
&& myconf[41]="--with-shared=0" \
|| myconf[41]="--with-shared=1"
use fortran \
&& myconf[43]="--with-fortran=1" \
|| myconf[43]="--with-fortran=0"
if use debug; then
strip-flags
filter-flags -O*
myconf[44]="--with-debugging=1"
else
myconf[44]="--with-debugging=0"
fi
if use hypre; then
# hypre cannot handle 64 bit indices, therefore disabled
myconf[51]="--with-64-bit-indices=0"
myconf[52]="--with-hypre=1"
myconf[53]="--with-hypre-include=/usr/include/hypre"
use static-libs \
&& myconf[54]="--with-hypre-lib=[/usr/$(get_libdir)/libHYPRE_LSI.a,/usr/$(get_libdir)/libHYPRE.a]" \
|| myconf[54]="--with-hypre-lib=[/usr/$(get_libdir)/libHYPRE_LSI.so,/usr/$(get_libdir)/libHYPRE.so]"
else
use amd64 \
&& myconf[51]="--with-64-bit-indices=1" \
|| myconf[51]="--with-64-bit-indices=0"
myconf[52]="--with-hypre=0"
fi
einfo "Configure options: ${myconf[@]}"
python "${S}/config/configure.py" "${myconf[@]}" \
|| die "PETSc configuration failed"
}
src_install(){
insinto /usr/include/"${PN}"
doins "${S}"/include/*.h "${S}"/include/*.hh
doins "${S}/${PETSC_ARCH}"/include/*.h
insinto /usr/include/"${PN}"/private
doins "${S}"/include/private/*.h
# fix paths stored in petscconf.h
dosed "s:${S}:/usr:g" /usr/include/"${PN}"/petscconf.h
dosed "s:${PETSC_ARCH}/lib:$(get_libdir):g" /usr/include/"${PN}"/petscconf.h \
if ! use mpi ; then
insinto /usr/include/"${PN}"/mpiuni
doins "${S}"/include/mpiuni/*.h
fi
if use doc ; then
dodoc docs/manual.pdf
dohtml -r docs/*.html docs/changes docs/manualpages
fi
use static-libs \
&& dolib.a "${S}/${PETSC_ARCH}"/lib/*.a \
|| dolib.so "${S}/${PETSC_ARCH}"/lib/*.so
}
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"
elog "This ebuild is known to have parallel build issues, "
elog "hopefully resolved by upstream soon."
elog "Another problem is that you can break this package by"
elog "switching your mpi implementation without rebuild petsc."
}
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