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