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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-libs/fftw/fftw-3.3.2.ebuild,v 1.7 2012/10/18 21:42:09 jlec Exp $
EAPI=4
#AUTOTOOLS_AUTORECONF=1
FORTRAN_NEEDED=fortran
inherit autotools-utils eutils flag-o-matic fortran-2 toolchain-funcs versionator
DESCRIPTION="Fast C library for the Discrete Fourier Transform"
HOMEPAGE="http://www.fftw.org/"
SRC_URI="http://www.fftw.org/${P}.tar.gz"
LICENSE="GPL-2"
SLOT="3.0"
KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos"
IUSE="altivec avx doc fortran mpi neon openmp quad sse sse2 static-libs threads zbus"
DEPEND="mpi? ( virtual/mpi )"
RDEPEND="${DEPEND}"
pkg_setup() {
if use openmp; then
if [[ $(tc-getCC) == *gcc ]] && ! tc-has-openmp; then
ewarn "OpenMP is not available in your current selected gcc"
die "need openmp capable gcc"
fi
FORTRAN_NEED_OPENMP=1
fi
fortran-2_pkg_setup
FFTW_DIRS="single double longdouble"
if use quad; then
if [[ $(tc-getCC) == *gcc ]] && ! version_is_at_least 4.6 $(gcc-version); then
ewarn "quad precision only available for gcc >= 4.6"
die "need quad precision capable gcc"
fi
FFTW_DIRS+=" quad"
fi
}
src_prepare() {
# fix info file for category directory
sed -i \
-e 's/Texinfo documentation system/Libraries/' \
doc/fftw3.info || die "failed to fix info file"
# why?
#rm m4/lt* m4/libtool.m4
autotools-utils_src_prepare
}
src_configure() {
local x
# filter -Os according to docs
replace-flags -Os -O2
for x in ${FFTW_DIRS}; do
myeconfargs=(
$(use_enable fortran)
$(use_enable zbus mips-zbus-timer)
$(use_enable threads)
$(use_enable openmp)
)
if [[ $x == single ]]; then
#altivec, sse, single-paired only work for single
myeconfargs+=(
--enable-single
$(use_enable altivec)
$(use_enable avx)
$(use_enable sse)
$(use_enable mpi)
$(use_enable neon)
)
elif [[ $x == double ]]; then
myeconfargs+=(
$(use_enable avx)
$(use_enable sse2)
$(use_enable mpi)
)
elif [[ $x == longdouble ]]; then
myeconfargs+=(
--enable-long-double
$(use_enable mpi)
)
elif [[ $x == quad ]]; then
#quad does not support mpi
myeconfargs+=( --enable-quad-precision )
else
die "${x} precision not implemented in this ebuild"
fi
einfo "Configuring for ${x} precision"
AUTOTOOLS_BUILD_DIR="${S}-${x}" \
autotools-utils_src_configure
done
}
src_compile() {
for x in ${FFTW_DIRS}; do
einfo "Compiling for ${x} precision"
AUTOTOOLS_BUILD_DIR="${S}-${x}" \
autotools-utils_src_compile
done
}
src_test () {
# We want this to be a reasonably quick test, but that is still hard...
ewarn "This test series will take 30 minutes on a modern 2.5Ghz machine"
# Do not increase the number of threads, it will not help your performance
#local testbase="perl check.pl --nthreads=1 --estimate"
# ${testbase} -${p}d || die "Failure: $n"
for x in ${FFTW_DIRS}; do
cd "${S}-${x}/tests"
einfo "Testing ${x} precision"
emake smallcheck
done
}
src_install () {
local u x
DOCS=( AUTHORS ChangeLog NEWS README TODO COPYRIGHT CONVENTIONS )
HTML_DOCS=( doc/html/ )
for x in ${FFTW_DIRS}; do
AUTOTOOLS_BUILD_DIR="${S}-${x}" \
autotools-utils_src_install
done
if use doc; then
dodoc doc/*.pdf
insinto /usr/share/doc/${PF}/faq
doins -r doc/FAQ/fftw-faq.html/*
else
rm -r "${ED}"/usr/share/doc/${PF}/html
fi
for x in "${ED}"/usr/lib*/pkgconfig/*.pc; do
for u in $(usev mpi) $(usev threads) $(usex openmp omp ""); do
sed -e "s|-lfftw3[flq]\?|&_$u &|" "$x" > "${x%.pc}_$u.pc" || die
done
done
}
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