127 lines
3.7 KiB
Bash
127 lines
3.7 KiB
Bash
# Copyright 1999-2011 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-3.2.2-r1.ebuild,v 1.5 2011/06/24 10:58:37 jlec Exp $
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EAPI=2
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inherit autotools eutils flag-o-matic fortran-2 toolchain-funcs
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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/${P}.tar.gz"
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LICENSE="GPL-2"
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SLOT="3.0"
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KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos"
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IUSE="altivec doc fortran openmp sse sse2 threads"
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DEPEND="fortran? ( virtual/fortran )"
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RDEPEND="${DEPEND}"
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pkg_setup() {
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use openmp && FORTRAN_NEED_OPENMP="1"
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use fortran && fortran-2_pkg_setup
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FFTW_THREADS="--disable-threads --disable-openmp"
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if use openmp; then
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FFTW_THREADS="--disable-threads --enable-openmp"
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elif use threads; then
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FFTW_THREADS="--enable-threads --disable-openmp"
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fi
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if use openmp && ! tc-has-openmp; then
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ewarn "You are using gcc and OpenMP is only available with gcc >= 4.2 "
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ewarn "If you want to build fftw with OpenMP, abort now,"
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ewarn "and switch CC to an OpenMP capable compiler"
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ewarn "Otherwise, we will build using POSIX threads."
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epause 5
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FFTW_THREADS="--enable-threads --disable-openmp"
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fi
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FFTW_DIRS="single double longdouble"
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use openmp && [[ $(tc-getCC)$ == icc* ]] && append-ldflags $(no-as-needed)
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}
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src_prepare() {
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use threads && epatch "${FILESDIR}"/${P}-pc-threads.patch
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epatch "${FILESDIR}"/${PN}-3.2.1-as-needed.patch
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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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rm m4/lt* m4/libtool.m4
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AT_M4DIR=m4 eautoreconf
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for x in ${FFTW_DIRS}; do
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mkdir "${S}-${x}" || die
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done
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}
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src_configure() {
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# filter -Os according to docs
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replace-flags -Os -O2
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local myconfcommon="--enable-shared
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$(use_enable fortran)
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${FFTW_THREADS}"
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local myconfsingle="${myconfcommon} --enable-single"
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local myconfdouble="${myconfcommon}"
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local myconflongdouble="${myconfcommon} --enable-long-double"
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if use sse2; then
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myconfsingle="${myconfsingle} --enable-sse"
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myconfdouble="${myconfdouble} --enable-sse2"
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elif use sse; then
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myconfsingle="${myconfsingle} --enable-sse"
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fi
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# altivec only helps singles, not doubles
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if use altivec; then
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myconfsingle="${myconfsingle} --enable-altivec"
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fi
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for x in ${FFTW_DIRS}; do
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cd "${S}-${x}"
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einfo "Configuring for ${x} precision"
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local p=myconf${x}
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ECONF_SOURCE="${S}" econf ${!p}
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done
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}
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src_compile() {
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for x in ${FFTW_DIRS}; do
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cd "${S}-${x}"
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einfo "Compiling for ${x} precision"
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emake || die "emake for ${x} precision failed"
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done
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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 -j1 check || die "emake test ${x} failed"
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done
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}
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src_install () {
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# all builds are installed in the same place
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# libs have distinuguished names; include files, docs etc. identical.
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for x in ${FFTW_DIRS}; do
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cd "${S}-${x}"
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emake DESTDIR="${D}" install || die "emake install for ${x} failed"
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done
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cd "${S}"
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dodoc AUTHORS ChangeLog NEWS README TODO COPYRIGHT CONVENTIONS
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if use doc; then
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cd doc
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insinto /usr/share/doc/${PF}
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doins -r html fftw3.pdf || die "doc install failed"
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insinto /usr/share/doc/${PF}/faq
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doins FAQ/fftw-faq.html/*
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fi
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}
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