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# Copyright 1999-2023 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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EAPI=8
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PYTHON_COMPAT=( python3_{9..10} )
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PYTHON_COMPAT=( python3_{9..11} )
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inherit flag-o-matic python-any-r1 toolchain-funcs
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inherit python-any-r1
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DESCRIPTION="Scalable Library for Eigenvalue Problem Computations"
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HOMEPAGE="https://slepc.upv.es/"
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LICENSE="LGPL-3"
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SLOT="0"
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KEYWORDS="~amd64 ~x86"
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IUSE="complex-scalars doc mpi"
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IUSE="arpack complex-scalars doc +examples mpi"
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REQUIRED_USE="arpack? ( mpi )"
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RDEPEND="
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=sci-mathematics/petsc-$(ver_cut 1-2)*:=[mpi=,complex-scalars=]
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sci-libs/arpack[mpi=]
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=sci-mathematics/petsc-$(ver_cut 1-2)*:=[examples,mpi=,complex-scalars=]
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arpack? ( sci-libs/arpack[mpi=] )
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mpi? ( virtual/mpi )
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"
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# configure is a custom python script and doesn't want to have default
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# configure arguments that we set with econf
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./configure \
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--prefix="${EPREFIX}/usr/$(get_libdir)/slepc" \
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--with-arpack=1 \
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--with-arpack-lib="$(usex mpi "-lparpack,-larpack" "-larpack")"
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if use arpack; then
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./configure \
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--prefix="${EPREFIX}/usr/$(get_libdir)/slepcdir" \
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--with-arpack=1 \
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--with-arpack-lib="$(usex mpi "-lparpack -larpack" "-larpack")"
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else
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./configure \
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--prefix="${EPREFIX}/usr/$(get_libdir)/slepcdir" \
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--with-arpack=0
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fi
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}
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src_install() {
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emake DESTDIR="${ED}" install
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# add PETSC_DIR to environmental variables
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cat >> 99slepc <<- EOF
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SLEPC_DIR=${EPREFIX}/usr/$(get_libdir)/slepc
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LDPATH=${EPREFIX}/usr/$(get_libdir)/slepc/lib
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EOF
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doenvd 99slepc
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#
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# Clean up the mess:
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#
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# put all include directories under a proper subdirectory
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mkdir "${ED}"/usr/include || die "mkdir failed (include)"
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mv "${ED}"/usr/{$(get_libdir)/slepcdir/include,include/slepc} || die "mv failed (include)"
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# put libraries and pkconfig file into proper place
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mv "${ED}"/usr/$(get_libdir)/slepcdir/lib/{libslepc*,pkgconfig} \
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"${ED}/usr/$(get_libdir)" || die "mv failed (lib)"
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# move share to proper location
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mv "${ED}"/usr/{$(get_libdir)/slepcdir/share,share} || die "mv failed (share)"
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# fix pc files:
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sed -i \
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-e 's#include$#include/slepc#' \
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-e "s#lib\$#$(get_libdir)#" \
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-e "s#^prefix=.*slepcdir\$#prefix=${EPREFIX}/usr#" \
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"${ED}"/usr/$(get_libdir)/pkgconfig/*.pc || die "sed failed (pkgconfig)"
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# recreate a "valid" slepcdir:
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for i in "${ED}"/usr/$(get_libdir)/*; do
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[ $(basename $i) = slepcdir ] && continue
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ln -s "${EPREFIX}/usr/$(get_libdir)/$(basename $i)" \
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"${ED}/usr/$(get_libdir)/slepcdir/lib/$(basename $i)" || die "ln failed (slepcdir)"
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done
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ln -s "${EPREFIX}"/usr/include/slepc/ \
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"${ED}/usr/$(get_libdir)/slepcdir/include" || die "ln failed (slepcdir)"
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mkdir "${ED}/usr/$(get_libdir)/slepcdir/share" || die "mkdir fialed (slepcdir)"
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ln -s "${EPREFIX}"/usr/share/slepc/ \
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"${ED}/usr/$(get_libdir)/slepcdir/share/slepc" || die "ln failed (slepcdir)"
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if use examples; then
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mkdir -p "${ED}"/usr/share/doc/${PF} || die "mkdir failed (examples)"
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mv "${ED}"/usr/share/slepc/examples "${ED}"/usr/share/doc/${PF} || die "mv failed (examples)"
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ln -s "${EPREFIX}"/usr/share/doc/${PF}/examples "${ED}"/usr/share/slepc/examples || die "ln failed (examples)"
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docompress -x /usr/share/doc/${PF}/examples
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else
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rm -r "${ED}"/usr/share/slepc/examples || die "rm failed (examples)"
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fi
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if use doc ; then
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dodoc docs/slepc.pdf
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docinto html
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dodoc -r docs/*.html docs/manualpages
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fi
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# add PETSC_DIR to environmental variables
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cat >> 99slepc <<- EOF
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SLEPC_DIR=${EPREFIX}/usr/$(get_libdir)/slepcdir
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EOF
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doenvd 99slepc
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}
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